Only way to find out is to buy one and discover it's got poor write speeds, apparently. Shingled Magnetic Recording (SMR) suffers from reduced write speed, sometimes a lot. Well, i got new for you: crystaldiskinfo CAN!!! Funny and sad at the same time. Back in September 2012, HGST first announced their Helium Hard Drive Platform.The Helium drives began to ship the following year in November and as of last month, HGST has deployed over a million drives.We had previously reviewed the Ultrastar He6 6TB helium drive. (EDIT -> COPY or CTRL-C). While that also sounds like a win for consumers, these drives are not suitable for NAS environments due to their... We tested WD Red SMR v CMR drives to see if there was indeed a significant impact with the change. The most I got was a 25% coupon… lol Anyway, I asked multiple times about 10 TB drives that were PMR… I asked for model numbers or better still, links to them. 1 WD-WX21D689KFDL And need to know if these are PMR or SMR. Now HGST has taken their helium technology and expanded capacity even further with the Ultrastar Helium He8 8TB … Seller: jennifeholli_4 (485) 100%, Location: Denver, Colorado, Ships to: US & many other countries, Item: 283243145223 Western Digital 10tb White Label (OEM Red) WD100EMAZ 5400rpm 256MB Cache NEW. Aztán a PMR (CSM) / SMR HDD is kérdés lehet, ahol az utóbbiaknál köztudott a technológiából adódó (esetleges) belassulás , ahol az SMR manapság csaknem kb. Tried it with dd and got about ~550MB/s on my Z2 Array. From what I read, they started inserting SMR drives into the red NAS line around early 2017. Period! I don’t want a mechanical disk that overlaps tracks and has to write adjacent tracks just to write a specific track!!! smrじゃなくとも、リビルド中に他のhddも壊れてデータ飛ぶってのはあり得る 375 ： Socket774 ：2020/08/12(水) 20:40:24. I just had a 10 Tb drive I paid over 200 USD for and it dies after 2 months. Flipping the enclosure over we see how everything is laid out inside the kit. You might have to call WD Support and give them the serial number, from there they might able to find out for you if HDD is SMR or PMR drives. It can be… BUT, before that happens, WD is probably using the most demanding customers / environments to TEST SMR tech so they can DEPLOY them in the bigger capacity DRIVES: 8, 10, 12, 14TB and beyond (do not currently exist). I bought 3 of them recently and shucked them. And after some coaxing, said that they are both PMR, but that doesn’t make sense because of the weight of the drives and their buffer sizes. And a supervisor … A third time I called in I was told that this information is not available and and cannot be disseminated to customers. All were PMR. Compare this with the “INFECTED” SMR drive list, and you’re good to go! Easystore WD 10TB Drive Shuck #2. The WD Red Family List of WD CMR and SMR hard drives (HDD) Updated table : 23/10/2020. In-store pricing may vary. HM-SMR - Host Managed Shingled Magnetic Recording. No more ADVANCED FORMAT ■■■■ nor SMR. WTF is that??? Is WD USING RAID / more demanding users as “guinea pigs” to test SMR and then move on and use SMR on +14TB drives??? ... PMR also is the same thing as CMR. https://support-en.wd.com/app/answers/detail/a_id/20230. DM-SMR - Device Managed Shingled Magnetic Recording. Customers MUST be informed of this new tech, even those using EXTERNAL SINGLE DRIVES ENCLOSURES!!! So… Talk about incompetence and a lethargic response - like they didn’t even give a ■■■■. and (2) WDC WD40EFRX-68N32N0 : 4000,7 GB [2/0/0, sa1] - wd PMR is the successor to Longitudinal Magnetic Recording (LMR) and achieves a data density three times higher than its predecessor LMR – the read / write head has been optimized for this and the vertical positioning also contributes to this. So, if anyone needs to know WHAT INTERNAL DRIVE MODEL they have in their WD EXTERNAL ENCLOSURES, install https://crystalmark.info/en/software/crystaldiskinfo and COPY PAST the info to the clipboard! JoeySmyth. (BTW, if you ask WD how to know the DRIVE MODEL inside an external WD enclosure, they will tell you it’s impossible!!! Minimum disk is 12tb large for helium disks now as far as these shuckable externals are concerned. It said something like “using WD’s PMR technology…” (in other words, the original way used since at least the 80’s). Why keep SMR and PMR drives with the SAME capacity in the same line and HIDING this info from customers? WD Blue WD10SPZX - hard drive - 1 TB - SATA 6Gb/s - overview and full product specs on CNET. In other words, a radio transmitting at 1,5 W or even at 3 W will not get any more PMR radio range. Built and tested for personal and home NAS systems with up to 8-bays, these drives pack all the punch you need in one powerhouse unit for storing, archiving, and sharing. No response on that. Today, we are going to look at the first helium-filled WD Red model – the 10TB WD Red (WD100EFAX) NAS drive!. They wouldn’t replace it because I took it out of a MyBook enclosure. https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-red-hdd/data-sheet-western-digital-wd-red-hdd-2879-800002.pdf. So now, according to this article, they have made a small attempt at indicating what technology is used and in what drives. Just got my black friday WD Easystore opened. The second “technician” said SMR stands for Standard Metabolic Rate! Prices and offers are subject to change. But fine for archival and backup disks. Drives found in these can be WD100EMAZ (rebadged WD HGST Ultrastar He10/WD Ultrastar DC510 Helium drives) and WD101EMAZ (rebadged WD UltraStar DC HC330 drives). PMR - Perpendicular Magnetic Recording (both CMR and SMR type drives use it). Gladly, i checked my WD ELEMENTS drives, a NONE of the internal drives is PLAGUED by SMR! It seems SMR is used to push capacity sooner than PMR is ready for, but they eventually seem to make some (bought a WD gold 7200 RPM drive that’s PMR). SMR not so fast, it’s unreliable, has bug-ridden firmware, is slow, and just seems the wrong way to push storage tech. Too bad WD doesn’t help the customer know that information without making (the customer) wade through a ridiculous branding scheme of meaningless colors.And even then they’re not telling you everything. I’m out $200+ because of this bad SMR tech and am not happy about it at all. I have 1 TB, three 3 TB, one 6 TB and three 8 TB drives that all work well and have for many years, especially the very old 1 and 3 TB drives I bought when they first came out. With this coupon, I’m thinking of getting a 12 TB dual enclosure since the 6 TB drives are all PMR. Shuck it and start using it, I noticed that there's random noise from the drive when reading / writing. I WILL NEVER BUY ANOTHER EXTERNAL WD DRIVE AGAIN!!! Hard drives were already bad at random access I/O—but SMR disks are worse. Check for TRIM support, if it is present then it is definitely SMR. Also fine. (3) WDC WD1600BEVS-22UST0 : 160,0 GB [3/0/0, sa1] - wd. garetz on 08/07/2020 - 08:27 ... these won't contain a WD100EMAZ, but instead a WD101EMAZ. Western Digital provides data storage solutions, including systems, HDD, Flash SSD, memory and personal data solutions to help customers capture and preserve their most valued data. After removing the outer shell, we find a WD100EMAZ 10TB white label HDD inside. Filled out an online email form and received no answer. (1) WDC WD20EARX-00PASB0 : 2000,3 GB [1/0/0, sa1] - wd But they’re instructed not to reveal this SMR tech. This because certain drives earmarked for use in NAS were not really living up to the performance expected. WesternDigital continues to “hide” what technology is used in your hard disk. Point is both are proven tech for several decades. This thread explains a lot… Thanks guys!! You can read my write up about SMR on my site. And a supervisor said they can’t disseminate the information I’m asking for. How BIG is it? Note that currently, the MAX capacity drive using SMR is the 6TB WD60EFAX, with 3 platters / 6 heads… So… is that it?? FYI, the 10TB uses a similar WD100EMAZ helium drive. I have DOZENS of them, mostly external! CMR. WD60EZAZ-00ZGGHBO PMR, or Perpendicular Magnetic Recording, is a method in which magnetization takes place horizontally and vertically on platters. Called tech support, the 1st agent did not know what PMR or SMR are. All rights reserved. The PMR space is like temp work space that is written to at normal drive speed and slowly written to the SMR areas after. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies. PMR/CMR, perpendicular/conventional, are essentially the same thing these days. They are conventional PMR drives with NAS firmware. But no more WD for mainline storage. I have two drives Can’t even answer a simple question on the fundamental technology in the product. Please re-read the first sentence of my post. minden (2-4 TB-osokat is) 2,5"-os belső és külső HDD-t érint és a 3,5"-osok egy részét is. Now also Seagate Skyhawk have few SMR drives. Listed below: ST8000VX002 ST8000VX008 SMR ST6000VX011 ST6000VX010 SMR ST4000VX005 ST4000VX013 SMR ST3000VX017 ST3000VX016 SMR ST2000VX012 ST2000VX015 SMR . WD was “forced” to start indicating what drives are using SMR. Stupid WD support… ). This is a helium-filled 256MB cache drive, like the WD Red 10TB solution. Easystore WD 10… This is why the drive continues to work long after a large write operation …it’s flushing the PMR space to SMR area. This interest led Western Digital to create the WD Red NAS-optimised family of hard disk drives. daitro on 08/07/2020 - 14:41 . Using SMR technology instead of conventional magnetic recording allows HDD manufacturers to put out denser drives at cheaper prices. That means these drives have to use SMR, the slower performer. The UltraStar, Enterprise, Gold, and Purple series aren’t disclosed either. WD60EZRZ-00GZ5B1. Paste it to a text editor, and voila!!! I'm out. The difference in write tech is just the density. Dont quote me on this, But a reliabe source told me that those would be SMR, And unlike prev posts that said its only the 2b-6tb, I can confirm my 10tb shuck from BestBuy is a white label SMR as well…Running the 10tb and 4tb non smr together in JBOD the non smr drive runs about 10c cooler than the other, Dunno just an observation, Probably not related at all, Watching atop from cmdline during big dumps 4tb or more, the 10tb goes red and stays red…. The Gui showed my about ~125MB/s for each disk. Some 8’s are SMR, but mostly PMR, and as far as I can tell, most 10 TB drives are SMR. WD technicians don’t have a way to query the drive and ask for the model number?? I have two drives WD60EZAZ-00ZGGHBO and WD60EZRZ-00GZ5B1 And need to know if these are PMR or SMR. User rating, 4.7 out of 5 stars with 5647 reviews. ... Seen as im using SHR raid Ive decided to expand my array with either 8 or 10 tb drives which still seem to be PMR drives for now and they still are vastly available. 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