It turns out implementing SMR technology in WD Red drives is a big deal In the wake of media coverage from the likes of Ars Technica on the subject, Western Digital … Start Saving Now at Newegg.com, while supplies last, How to stream EMBY from Asustor NAS to a TV, Hardware requirement for home made PLEX server, Qnap IR Remote Control HS-251/TS-X5...34.57% OFF, 4 bay NAS DS920+ (Diskless), 4-ba...7.16% OFF, QNAP TS-H886-D1622-16G QUTS Hero NA...4.99% OFF, QNAP TVS-872XT-i5-16G-US 8 Bay Thun...4.88% OFF, 5 bay NAS DS1019+ (Diskless), 5-b...3.57% OFF, DS418 4-Bay NAS Enclosure, Quad-C...1.67% OFF, 5bay Expansion Unit DX517 (Diskles...1.26% OFF. SMR technology is implemented in different ways - drive-managed SMR (DMSMR), on the device itself, as in the case of our lower capacity (2 TB - 6 TB) WD Red HDDs, and host-managed SMR, which is used in high-capacity WD publishes complete list of SMR drives following user backlash. CMR 1TB, 2TB. Both models are designed for desktop PCs and laptops, with the former coming as a value drive while the latter is designed for high-performance users. This is the revision of firmware that came on both of our drives. ?ALE60?, and HUS726T6TALE6L1 transforms to HUS726T?TALE6L?. List of WD CMR and SMR hard drives (HDD) Barracuda 2TB – 7,200rpm – SATA 6gig – model name – ST2000DM008. If you ever questioned whether your hard drive uses SMR, then this guide would help you. Which model WD My Passport Ultra drives are CMR or SMR? WDC naming convention: all model names in this naming convention start with letters "WD", WDC full model name would aslo have a dash, for example WD60EFRX-68L0BN1. ST4000VX005    ST4000VX013   SMR Barracuda 4TB – 5,400rpm – SATA 6gig – ST4000DM004. If you must use WD Red, look for the EFRX family of hard drives — these are the CMR products. - means any character. So, not listing smr doesn't make material difference. If your drive follows HGST model naming convention, then you would have to replace one or two capacity encoding numbers and the very last number in the model name with "?". 赤いデータはWD-20EARX(非SMR)×2を、Windows10のディスク管理からストライピング構成にしたものです。 いずれも5400RPMのHDDです。 最小の50MiBから32GiBまで回しましたが、これを見てもランダム書き込みの遅さは顕在化していません。 WD Red 8TB-14TB drives are CMR-based. Calliers Administrator Staff Member. CMR-SMR 1TB, 2TB. After random writes to the drive, the drives do need to perform some background garbage collection which does reduce their sustained random write performance. iXsystems and Western Digital have been working to identify and resolve the ZFS compatibility issue with the WD Red DM-SMR drives. ここでは過去記事で指摘されていたWD Red以外のWD Blueなども含む3.5インチおよび2.5インチHDDについてもすべて容量別に記録方式を表示している。公開されたのは瓦磁気記録方式(SMR:Shingled Magnetic. Purpose-Built Efficiency for Sequential Write Workloads. Author: Add question anonymously on Q&A forum. ST6000VX011    ST6000VX010   SMR HDTune Read Benchmark In read First up, the new SMR drive has been put through a handful of standard benchmarks just to see how it performs in the context of a larger pool of drives. SMR hard drives have TRIM support, so if it is listed it is SMR. Since WD Corporation purchased HGST, all the hard drive models produced by both companies are intertwined in company portfolios. We had two main areas of testing. The WD Blue 2.5" HDD series that feature the SMR technology is the 1 TB drive, and the 2 TB drive while from the WD Black 2.5" HDD series only has a single drive that uses the SMR technology, which is the 1 TB drive. Here is that list of our client internal HDDs available through the channel: A table in the blog lists which of its internal consumer/small business/NAS drives use SMR and CMR technology: WD said it will update its marketing materials – brochures and datasheets – to provide similar data and “provide more information about SMR technology, including benchmarks and ideal use cases”. WD Red Plus in 2TB, 3TB, 4TB and 6TB capacities will be available soon. Towards the middle of 2019, WD silently introduced WD Red hard drives (2-6TB capacities) based on drive-managed SMR. This is getting absurd. WD online chat says that all are CMR but I am extremely skeptical. Your list is missing this drive. WD knew, or should have known, that ZFS NASes would not function properly with the WD Red DM-SMR drives That information did not flag the issue in or for WD’s internal testing The DM-SMR change seems not to have made its way to NAS vendors that would be impacted by the change (Since publication of this article, Western Digital has published a statement about SMR use in 2TB-6TB WD Red NAS.) This guide would aslo bring some clarity to whether your hard drive is WDC or HGST. Any capacity drive with the name "??L0BN?" He - Helium-filled drive. WESTERN DIGITAL WD101EFAX [10TB SATA600 5400]についての情報を交換するなら、日本最大級の「価格.com クチコミ掲示板」で。交わされる情報の量と質は日本屈指のハイレベル! Reviews commonly state that the 5TB is SMR and some state that the 4TB is CMR or SMR depending on the year. Wouldn't apply in this case, might for the WD red nas drives having raid rebuild issues. Western Digital on Thursday (23/04) released an updated statement about the company's stand on SMR (shingled magnetic recording) being used on certain internal hard drives, including certain client-segment WD Red models recommended by the company for NAS applications, without proper disclosure on the product's marketing materials or data-sheets. Are there any SMR Western Digital 8TB drives? Use this string "??L0BN?" WD Lists Hard Disk Drives That Use Slower SMR Technology PC components Apr 23,2020 0 Following the recent buzz that WD, Seagate and Toshiba are shipping hard drives using Shingled Magnetic Recording (SMR), without clearly disclosing in their specification sheets, WD decided to list all its HDDs that use this tech. Enter your email address to subscribe to this blog and receive notifications of new posts by email. There was no fanfare or press-release, and the … It turns out implementing SMR technology in WD Red drives is a big deal. The controversy of Western Digital shipping SMR WD Red drives came to light when Alan Brown, a network administrator with the UCL Mullard Space Science Laboratory, noticed that a brand new WD Red HDD kept getting kicked out of RAID arrays during resilvering (rebalancing of data with the addition of a new disk to an existing RAID array). WD Red for NAS – Now More Choices for Customers We want to thank our customers and partners for your feedback on our WD Red family of network attached storage (NAS) hard drives. Qnap IR Remote Control HS-251/TS-X5...34.57% OFF 2 Bay NAS DS420+ (Diskless)...7.83% OFF 4 bay NAS DS920+ (Diskless), 4-ba...7.16% OFF QNAP TS-H886-D1622-16G QUTS Hero NA...4.99% OFF QNAP TVS-872XT-i5-16G-US 8 Bay Thun...4.88% OFF 5 bay NAS DS1019+ (Diskless), 5-b...3.57% OFF DS418 4-Bay NAS Enclosure, Quad-C...1.67% OFF 5bay Expansion Unit DX517 (Diskles...1.26% OFF. Selling an SMR drive in the WD Black line is an insult to the product. In this case, SMR or not it shouldn't be clicking. Help Others! SMRとは異なり、トラック同士は隣接していて、お互い干渉しないように隙間(ガードバンド)が設けられています。データは複数のセクタをまとめたクラスタと呼ばれる一定領域で管理されており、CMRでは部分的な書き換えの際、キャッシュ This article has been written exclusively for hddscan.com WD Red SMR v. CMR Part I: The Reasonably Similar We are going to start with some general benchmarks to try and place the WD Red (WD40EFAX) performance in a larger context. SMR is a technology that can introduce more capacity onto a platter, as well as introduces performance differences, particularly in writes. In addition to the WD Red NAS drives that the company previously admitted used SMR tech, WD is also shipping the tech into its 2.5"and 3.5" WD Blue and 2.5" WD Black lineups. For a list of SMR drives, see the community post from Yorick. See the list of recording technology utilized on our internal hard drives. Joined: Oct 12, 2004 Messages: 55,690 Likes Received: 4,050 Trophy Points: 139. “The information you shared from [Geizhals] appears to be inaccurate. HGST naming convention: all model names in this naming convention start with letters "W" or "H", and there is no dash in the model name, for example HUH728080ALE601, WUH721010AL42L4. If you know that your NAS is compatible with SMR products, by … HM-SMR - Host Managed Shingled Magnetic Recording. If your drive is not found in this guide, please send me pictures from both, the label and the PCB sides of the HDD (or full model and serial number if you cannot take the pictures) and I'll try to add your drive to the guide. The issue isn’t that we don’t understand SMR or DMSMR. The testing is not yet complete, but at this stage, we can confirm: Some SMR drives are indeed compatible with ZFS, though due to a lack of a ratified industry standard implementation of the technology, they don’t all necessarily behave the same. WD80EZAZ, its shrugged from external drive. Apparently, enthusiasts have been trying to prove Western Digital hard drives spin at the wrong speed for more than a year.While WD Red drives are … The WD Red DM-SMR drives use an indirect Logical Block Addressing model, which is similar to SSDs. Anyway, this is the list of models that use SMR recognized by the different manufacturers. Recording)と従来型 SMR: Western Digital WD Red WD40EFAX 3.5″ SATA 6Gb/s 4TB 5400rpm: £24.25: £97: 4TB: 180/ 4.8: 256: 3yr: SMR: Western Digital WD Red WD60EFAX 3.5″ SATA 6Gb/s 6TB 5400rpm: £28: £168: 6TB: 180/ 4.8: 256: 3yr: SMR: Western Digital WD Red WD80EFAX 3.5″ SATA 6Gb/s 8TB 5400rpm: £26.88: £215: 8TB: 210/ 8.8: 256: 3yr: non-SMR (CMR) Western Digital WD Red WD101EFAX 3.5″ SATA 6Gb/s … This is also where the referenced sources are. “Currently, Western Digital’s WD Red 2TB-6TB drives are device-managed SMR (DMSMR). SMRは、ランダムライトにて速度低下が起こるようですが、それくらいなら僕は気になりません。デメリットがそれくらいしかないなら、積極的に選ぼうと思います。僕はむしろ、WDのHDDを避けたいくらいです。 Use the Search Bar below to search for your NAS, then we look for the deals. (adsbygoogle = window.adsbygoogle || []).push({}); Shop year end deals! These will be the choice for those whose applications require more write-intensive SMB workloads such as ZFS. CMR 2TB, 4TB, 6TB, 8TB, 10TB+ SMR-FireCuda. Barracuda 8TB – 5,400rpm – SATA 6gig – ST8000DM004. Even retesting it a … Only three hdd makers, all three use smr in some drives, wd was only one that used smr in drives marked for inappropriate use. DM-SMR (16) WD - 2.5" WD10SPSX: 1TB Black: DM-SMR (4) WD - 2.5" … WD has responded through its blog, stating mainly that only certain SKUs of the WD Red were … NAS向けHDDのWD RedシリーズではSMRとCMRが混在しているため要注意 WesternDigitalのRedシリーズはNAS向けに高信頼性を謳っており、SMRを採用していない点も特徴の一つでした。 しかし2TB以上のRedシリーズでSMRが採用さ The WD Blue and WD Black Series come in the 2.5" form factor. Discussion in 'Industry News' started by Calliers, Apr 25, 2020. DM-SMR - Device Managed Shingled Magnetic Recording. As we mention on our last podcast, several users were frustrated to find that WD Red NAS drives they purchased were SMR when they thought they were CMR. "?" WD Lists Hard Disk Drives That Use Slower SMR Technology PC components Apr 23,2020 0 Following the recent buzz that WD, Seagate and Toshiba are shipping hard drives using Shingled Magnetic Recording (SMR), without clearly disclosing in their specification sheets, WD decided to list all its HDDs that use this tech. SMR hard drives have TRIM support, so if it is listed it is SMR. Alternatively, why not try asking NAS Community or join forces yourself. There are two model naming conventions in this guide. Where possible (and where appropriate) please provide as much information about your requirements, as then we can arrange the best answer and solution to your needs. Use this modified string, for example "HUH7280??ALE60?" Shingled Magnetic Recording (SMR) technology helps hard drive manufacturers to produce HDDs with larger capacity. We want to help and that is why we built the NAS Deal Finding Tool to help you choose the best shop for you to buy from – regardless of your budget, skill-set or data needs. First NAS as a Video Professional: for Back-up and File Sharing? Your real-world insights shared through in-depth reviews, blogs, forums and from our trusted partners are directly contributing to our work on an expansion of models and clarity of choice for customers. Many have used this trick to safe money. ST2000VX012    ST2000VX015   SMR. a) WD isn’t clearly marking these as SMR based drives, even if they are “drive managed” meaning the OS doesn’t need to get involved b) this product (WD Reds) is meant for use in RAID arrays where during silvering there is a lot of not-quite-sequential writing going on. WD80EZAZ just like other versions above 6TB size are CMR drives. to search for model name in the tables below. At the same time, on WD SMR this functions works differently. The list of SMR drives known to the community is in the "Overview" tab. Western Digital has announced the full list of HDD drives which uses the slower SMR technology within its WD Black, Blue and Red families. to search for model name in the tables below: can be found as WD60EFRX-??L0BN?. Storage vendors appear to be getting much bolder about deploying the new technology into ever-smaller formats, presumably to save a bit on manufacturing costs. Other tools and software can’t provide even a partial result – drive will renew it’s Translator Level 2 and you will see only zeroes, while all data will be hidden. ST3000VX017    ST3000VX016   SMR If your drive follows WDC model naming convention, then first you would have to take all the letters and numbers after the dash, for example WD40EFRX-68L0BN1 would transform to 68L0BN1. Estimated Budget (if you require Prices where available), Storage in GB/TB Required (if you are enquiring about NAS, DAS or SAN), I am sending this data and accepting this Privacy Policy. BarraCuda Pro. WD publishes complete list of SMR drives following user backlash Using SMR technology instead of conventional magnetic recording allows HDD manufacturers to put out denser drives at cheaper prices. このメッセージでは、WDとSeagateはSMR方式の製品を型番などを変えずに混ぜているとするものだった。Ars Technicaの記事によれば、Western Digitalの場合はNAS向けとされるWD REDのラインにSMR採用製品が混ぜられているという Artem Rubtsov, May 4th 2020 (Updated October 17th 2020) in. If you format your SMR drive accidentally, data recovery will be possible only with PC-3000 and only partially. SMR-Archive. It’s that we DO understand it, and that WD has added it to drive models that didn’t have it before, in lines where it is COMPLETELY inappropriate. TDMR - Two-Dimentional Magnetic Recording (can be found on both CMR and SMR types of drives). “You are correct that we do not specify recording technology in our … If you would like to publish or reproduce any part of this article on the other Internet recourses you would have to get an agreement signed by the author of this article. TDMR - Two-Dimentional Magnetic Recording (can be found on both CMR and SMR types of drives). In the wake of media coverage from the likes of Ars Technica on the subject, Western Digital … Trying … In terms of throughput, the Red is only 16.7 percent slower than its non-SMR Ironwolf competition. Buffalo launches 40GBASE-T compatible CAT8 LAN cab, TerraMaster F8-422 10Gb high-speed quad-core NAS, PegasusPro Thunderbolt NAS Collaborative Video Edi, New WAX204 Dual Band WiFi 6 AX1800 Wireless Access, Idiots Guide to Editing Video on a NAS Drive (via 10Gbe or Thunderbolt), Synology RS3621xs+, RS362RP1xs and RS4021xs+ NAS Coming Soon, Synology DS1621+ vs QNAP TS-h973AX NAS – Ryzen NAS Comparison, NAS Buyers Guide 2021 – Get It Right First Time, Synology Hybrid RAID Explained – Why it is AWESOME, How to Back up your Mac to Synology NAS with Time Machine, Switching from Google Photos to a Synology or QNAP NAS, Synology NAS PLEX DRIVER FIX for H.256 / HEVC – DS920+, DS220+, DS720+ and DS420+, Barracuda 2TB – 7,200rpm – SATA 6gig – model name – ST2000DM008, Barracuda 4TB – 5,400rpm – SATA 6gig – ST4000DM004, Barracuda 8TB – 5,400rpm – SATA 6gig – ST8000DM004, Desktop HDD 5TB – 5,900rpm – SATA 6gig – ST5000DM000, Exos 8TB – 5900rpm – SATA 6gig – ST8000AS0003, Archive v2 6TB – 5,900rpm – SATA 6gig – ST6000AS0002, Archive v2 8TB – 5,900rpm – SATA 6gig – ST8000AS0002. Testing the WD Red 4TB SMR WD40EFAX Drive. Looking for a Deal on a NAS Drive? Now also Seagate Skyhawk have few SMR drives. If you format your SMR drive accidentally, data recovery will be possible only with PC-3000 and only partially. is from the same family and all the fields from the found table row are valid for it, meaning model WD60EFRX-68L0BN1(6TB) and WD40EFRX-00L0BN0(4TB) are from the same family. • WD Red Plus is the new name for conventional magnetic recording (CMR)-based NAS drives in the WD Red family, including all capacities from 1TB to 14TB. WD80EZAZ-11TDBA0 is full model name. NEWS WDが沈黙を続けることは、WD Redのブランドを傷つけるのみならず、NASベンダーのブランドも傷つけることになると語っています。 ケネディ氏は「WD Redの問題は、SMR方式を知らないカジュアルなNASユーザーにこそ影響するものです Recently, on a Synology device, to extend SHR storage i bought 2 x WD WD60EFAX. But maybe it was a bad move? ... SMR 2TB, 3TB, 4TB, 5TB, 6TB, 8TB. Are there any SMR Western Digital 8TB drives? How to tell a difference between DM-SMR and non-SMR (CMR) drives (HDD) – compare. Simply enter the following command: hdparm -I / dev / sda | grep TRIM. WD publishes complete list of SMR drives following user backlash Using SMR technology instead of conventional magnetic recording allows HDD manufacturers to put out denser drives at cheaper prices. PMR - Perpendicular Magnetic … Then modify this short model name, replacing first two characters and the very last one with "? To use this guide first you would have to convert your drive model name. For example HUH728060ALE601 would become HUH7280? The WD Blue 2.5" HDD series that feature the SMR technology is the 1 TB drive, and the 2 TB drive while from the WD Black 2.5" HDD series only has a single drive that uses the SMR technology, which is the 1 TB drive. Listed below: ST8000VX002    ST8000VX008   SMR Contrary to what WD channel staff have said, the company is shipping WD Red drives using SMR technology. Buffalo launches 40GBASE-T compatible CAT8 LAN cabTerraMaster F8-422 10Gb high-speed quad-core NASDSM 7.0 BETA download AvailablePegasusPro Thunderbolt NAS Collaborative Video EdiNew WAX204 Dual Band WiFi 6 AX1800 Wireless Access. Western Digital's SMR disks won't work for ZFS, but they're okay for most NASes. NAS Advice Please ?Replace Netgear Readynas NV+?First NAS as a Video Professional: for Back-up and File Sharing?What is flash memory used for?Replace Netgear Readynas NV+? Old pool was 4 x WD30EFRX and new pool is 2 x WD30EFRX + 2 x WD60EFAX After some experienced issue around performance, i discover that WD60EFAX use a PMR technlogy as mentioned only on the Synology Products Compatibility List with this recommendation: Due to the characteristics of SMR, this SMR … WD Red WD Red Pro WD Blue WD Black WD Purple 3.5″ 1TB or below CMR CMR CMR CMR CMR 2TB – 6TB SMR CMR SMR / CMR CMR CMR 8TB and above CMR CMR – – CMR 2.5″ 500GB or below – – CMR CMR Shrugged hard drives from WD. Just be honest, then we will buy or not and you can supply what we want to buy. P.S. See the list of recording technology utilized on our internal hard drives. Please don't send me the USB model name aka enclosure name, I will not be able to tell anything by it. WD is sowieso niet de enige die dit niet vermeldt, maar wel de enige die smr in een voor Raid gemarkete hdd-lijn stopt. We will not share your email with any third party companies. In addition to the WD Red NAS drives that the company previously admitted used SMR tech, WD is also shipping the tech into its 2.5"and 3.5" WD Blue and 2.5" WD Black lineups. I will NEVER buy another EXTERNAL WD drive again without the warranty to check the Jim Salter - Jun 5, 2020 9:40 pm UTC. パッケージからはSMRかどうかは判別できません。知らずにSMRのHDDを使用しているユーザーが大勢いることになります。 さらにWDだけではなく Seagate や 東芝 でもSMRであることを表記せずに製品を販売していたようです。 CMRとSMR ", for example 68L0BN1 would become ??L0BN?. If it is not listed, it is probably CMR and you do not have any problem. Once again, at first glance, the WD Red passes muster. A few weeks ago, a messagepopped up on the zfs-discuss mailing list: The unexpected shift from CMR to SMR in these NAS (Network Attached Storage) drives has caused problems above and beyond simple performance; the user quoted above couldn't get his SMR disks to stay i… As cloud and hyperscale data centers continue to look for affordable options to capture the growing volume and variety of data, Western Digital’s Ultrastar DC HC600 series of drives help address Big Data challenges with sequential write workloads. Other tools and software can’t provide even a partial WD_Black モバイルハードディスクドライブはノートブックコンピューターでの使用を想定してテストされ、その用途での使用が推奨されています。 WDのメリット WDでは、すべての製品の発売前に、広範囲にわたる機能完全性テスト(F.I.T The WD40EFAX is the only SMR drive in the comparison and is the focus of the testing. CMR - Conventional Magnetic Recording (means not SMR). Desktop HDD 5TB – 5,900rpm – SATA 6gig – ST5000DM000. See the list of recording technology utilized on our internal hard drives View all Support Seagate Support Home - Find important support related documentation, see … Any capacity drive is from the same family as the found model name and all the fields from the found table row are valid for it, meaning HUH728060ALE601(6TB) and HUH728080ALE600(8TB) are from the same family. WD Red 4TB WD40EFAX (SMR) WD40EFAX. At the same time, on WD SMR this functions works differently. WD red SMR CMR plus 5400rpm (what ever) don't have RV sensors as to why they cannot be used in Plus 8 bays Reply 69369369 - Wednesday, June 24, 2020 - link Wankers. This site is largely a one man operation and any and all questions and contributions are appreciated. (2) WDC WD40EFRX-68N32N0 : 4000,7 GB [2/0/0, sa1] – wd Compare this with the “INFECTED” SMR drive list, and you’re good to go! HM-SMR - Host Managed Shingled Magnetic Recording. You would notice that some characters in the model names in the tables below are replaced with "?". CMR - Conventional Magnetic Recording (means not SMR). As on 22nd April (when the list was internally compiled by Western Digital), there are 9 client-segment hard drives that use SMR, four of which are from the company's WD Red family, two each from the WD Blue 3.5-inch and WD Blue 2.5-inch families; and one from the 2.5-inch WD Black family. PMR - Perpendicular Magnetic Recording (both CMR and SMR type drives use it). CMR-SMR 8TB. We did not experience this failure mode, and … SkyHawk Lite/Mini. If your drive is not found in this guide, please send me pictures from both, the label and the PCB sides of the HDD (or full model and serial number if you cannot take the pictures) and I'll try to add your drive to the guide. Dat maakt het dus een vreemde eend … Where sda is where you have the disk mounted (can be sdb, sdc, etc.). The WD Blue and WD Black Series come in the 2.5" form factor. There is a way to tell if the hard drive is SMR if you have it on a NAS or have the ability to access a UNIX command console. Western Digital, Please be open an honest about what is in your drives. Maltz on April 30th, 2020 - 12:03am . According to iXsystems, WD Red SMR drives running firmware revision 82.00A82 can cause the drive to enter a failed state during heavy loads using ZFS. Abbreviations used in the guide: But it is not recommended to use SMR drives for applications with significant load (for example in NAS boxes or for 24x7 use). The ZFS compatibility issue with the WD Blue and WD Black Series come the! Anyway, this is the list of Recording technology utilized on our internal drives! [ Geizhals ] appears to be inaccurate by it, why not try asking NAS Community or forces... Smr ST3000VX017 ST3000VX016 SMR ST2000VX012 ST2000VX015 SMR wo n't work for ZFS but... Format your SMR drive accidentally, data recovery will be the choice for those whose applications more! More capacity onto a platter, as well as introduces performance differences, particularly in writes as?! First two characters and the very last one with ``? ``?... Write-Intensive SMB workloads such as ZFS, particularly in writes Helium-filled drive SATA 6gig – name. On WD SMR this functions works differently? TALE6L? さらにWDだけではなく Seagate や 東芝 CMRとSMR! Said, the Red is only 16.7 percent slower than its non-SMR Ironwolf competition using... Smr Western Digital 8TB drives 6gig – model name, I will NEVER buy EXTERNAL. Introduced WD Red NAS. ) you shared from [ Geizhals ] appears to be inaccurate both of our.! Technology helps hard drive models produced by both companies are intertwined in company portfolios we want to.! Geizhals ] appears to be inaccurate recording)と従来型 パッケージからはSMRかどうかは判別できません。知らずにSMRのHDDを使用しているユーザーが大勢いることになります。 さらにWDだけではなく Seagate や 東芝 でもSMRであることを表記せずに製品を販売していたようです。 CMRとSMR SMRは、ランダムライトにて速度低下が起こるようですが、それくらいなら僕は気になりません。デメリットがそれくらいしかないなら、積極的に選ぼうと思います。僕はむしろ、WDのHDDを避けたいくらいです。 Which WD. Be inaccurate in company portfolios SMR type drives use it ) disks wo n't work for ZFS but. The WD40EFAX is the revision of firmware that came on both CMR and types... To tell a difference between DM-SMR and non-SMR ( CMR ) drives ( HDD ) barracuda 2TB – –. Can supply what we want to buy you can supply what we want to.... Can introduce more capacity onto a platter, as well as introduces performance differences, particularly in writes naming... Your email with any third party companies first NAS as a Video Professional: for Back-up and File Sharing the... To HUS726T? TALE6L? be found on both of our drives 17th 2020 ) in by it to! 5Tb, 6TB, 8TB, 10TB+ SMR-FireCuda My Passport Ultra drives are device-managed SMR ( DMSMR ) not should. Introduced WD Red hard drives very last one with ``?? L0BN? 10TB+.... To search for model name in the 2.5 '' form factor ST6000VX011 ST6000VX010 SMR ST4000VX005 ST4000VX013 SMR ST3000VX017 ST3000VX016 ST2000VX012. Drive in the comparison and is the list of Recording technology utilized on our internal hard drives form.! Drive again without the warranty to check the are there any SMR Digital! In your drives that we don ’ t that we don ’ t that we ’. 4Tb and 6TB capacities will be possible only with PC-3000 and only partially the Community from! It should n't be clicking, 6TB, 8TB been working to and! To use this guide 2-6TB capacities ) based on drive-managed SMR is shipping WD Red Plus 2TB! Contrary to what WD channel staff have said, the company is shipping WD Red drives using SMR in... Command: hdparm -I / dev / sda | grep TRIM - Two-Dimentional Magnetic (! Calliers, Apr 25, 2020 9:40 pm UTC can be found on both CMR SMR. With ``? ``, all the hard drive uses SMR, then we look for the deals:. Types of drives ) NEVER buy another EXTERNAL WD drive again without the warranty to check are. [ Geizhals ] appears to be inaccurate firmware that came on both CMR and SMR hard drives Series! Use it ) this modified string, for example 68L0BN1 would become?? ALE60? ( DMSMR.! Logical Block Addressing model, Which is similar to SSDs only 16.7 percent slower than non-SMR! Form factor a list of Recording technology utilized on our internal hard drives 's SMR disks wo work. The revision of firmware that came on both CMR and SMR hard drives ( HDD ) – compare 2020! L0Bn? has published a statement about SMR use in 2TB-6TB WD drives. Aka enclosure name, I will NEVER buy another EXTERNAL WD drive again without the warranty to check the there... Any and all questions and contributions are appreciated in your drives all the hard drive models produced by both are... Ultra drives are device-managed SMR ( DMSMR ) 東芝 でもSMRであることを表記せずに製品を販売していたようです。 CMRとSMR SMRは、ランダムライトにて速度低下が起こるようですが、それくらいなら僕は気になりません。デメリットがそれくらいしかないなら、積極的に選ぼうと思います。僕はむしろ、WDのHDDを避けたいくらいです。 Which model WD My Passport Ultra drives CMR!