WD80EMAZ-xxM9AAx 8TB (5/10)* WD80EDAZ-xxTA3Ax 8TB (5/10)* WD101EMAZ-xxG7DAx 10TB (6/12)** *Note: Rebadged HGST Ultrastar 7K8 / DC HC320 models, given the identical "US7SAN8T0" R/N on their labels and obvious exterior similarities. wd80emaz specs, 【WD】WesternDigital製HDD友の会 Vol.200 1 ：Socket774 ：2018/11/02(金) 23:22:19.40 ID:9IQO+AV90.net!extend:checked:vvvvv:1000:512 ↑の行をコピペして2行にしてから立てて下さい（ワッチョイ設定用） Shingled magnetic recording (SMR) is being used by WD on newer disks. Could be a WD120EMAZ white label drive I know the 8TB Elements and Easystore drives contain the WD80EMAZ drives as I have shucked several of them. The WD40EFRX (the item I posted this review to) is a CMR (conventional magnetic recording) disk and is very good, I have one in my NAS already. Ressources . The CMR Ultrastars are the DC HC500 series. It is often desirable to choose a CMR drive instead. Many of our readers may already be familiar with the differences between SMR and CMR, but a quick refresher never hurt anyone! The SMR Ultrastars are the DC HC600 series. We have a great online selection at the lowest prices with Fast & Free shipping on many items! This thread attempts to pull together known SMR … And I can’t get much higher in price than that one. This has been the standard technology behind hard drive data storage since the mid-2000s. Western Digital, Seagate et Toshiba (pour ne citer qu’eux) proposent une large gamme de disques durs et ils utilisent tous les technologies SMR et PMR (également appelé CMR pour Classic Magnetic Recording).Malheureusement pour nous, aucun d’entre eux n’indique clairement quelle technologie ils utilisent dans les disques durs orientés NAS… mais les choses changent. With drives up to 6TB, WD Red™ offers a wide array of storage for customers looking to build a NAS solution. Y: WD80EMAZ (White label with metal strips) = US7SAL080 = Ultrastar He10-8 SATA (3. – Learn about WD - easystore 8TB External USB 3.0 Hard Drive - Black with 3 Answers – Best Buy Product ID’s according to MegaRAID: WDCWD40EFRX68W WDCWD40EFRX68W WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68W WDCWD40EFRX68W WDCWD40EFRX68N WDCWD40EFRX68W. Any idea how to test? Aide au choix 2.5" Aide au choix 3.5" Les meilleurs choix actuels "Le" disque du moment ... Caractéristiques. CMR/PMR; SMR ? BackgroundI guess WD just can't stop screwing up their marketing. Our data shows that the disk drives WD 8TB Easystore WD80EMAZ are NOT based on SMR technology, the disk drives are based on CMR. This acoustic plot is from a WD80EMAZ-00WJTA0 drive inside a WD Elements 8TB SSD. The ST4000DM000 was the original version (which goes back to about 2013). AX = SMR = Bad. Storage. To my knowledge you can use PMR heads to write CMR (parallel) or SMR(shingled) tracks to the disk. Unfortunately after I opened the case, I realised that the model # is MGBJRC so it is missing the letter K. The drives with firmware version 81. WD SMR And CMR In Client Hard Drives As Of April 2020. They are using SMR in their “premium” WD Red NAS drives. Western Digital 10TB WD Red NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR … Is this drive SMR or PMR? Base de données disques; Synthèse 2.5" Synthèses 3.5" Disques SMR ? The HC500 series does have an 8TB model, it is the smallest capacity for that line, but it is CMR. Thanks, I missed the announcement of that new CMR series somehow, it’s great that lower capacity will have an alternative now. At the time we first spotted these threads they were running at $180 each which is a great deal for a WD100EMAZ 10TB hard drive. SMR has worse sustained write performance than CMR, which can cause severe issues during resilver or other write-intensive operations, up to and including failure of that resilver. don’t know: … Jun 16, 2020 #2 SMR drives tend to have larger caches (256MB vs. 64MB) and I've been told they report having TRIM/unmap support to the OS. SMR vs CMR – A quick primer. There’s a leading edge WD Red™ drive for every compatible NAS system to store your precious data. They don't actually say a drive is CMR but they do say if it is SMR. First the WD Blue/Green debacle, then the bombshell of hidden SMR drives presenting as CMR, and now yet another thing: It seems that many WD drives which are advertised as 5400RPM are actually 7200RPM drives. If you were thinking about stripping this down to pull the drive to use in Unraid, it's not easy to find out if it's SMR or CMR. Not only is WD using SMR in their consumer drives where buyers may have no reasonable alternatives, but they are also going a step further. Image credit: Christaan Colen/Flickr Earlier this year, Western Digital got caught lying by omission when it came to disclosing that certain drives used shingled magnetic recording (SMR) instead of conventional magnetic recording (CMR). WD Red DM-SMR Update 3 Vendors Bail and WD Knew of ZFS Issues. WD Red SMR vs CMR Tested Avoid Red SMR. We are taking special note of Western Digital here. It may be a non-issue due to never-ending capacity increases though. $181.11. Aluminum March 28, 2016 At 11:37 am. And there are two "types" of UltraStar, CMR and SMR. My thoughts: If the premium is only 12%, it's not worth it to go SMR. Feb 12, 2015 1,298 445 83. **Note: Rebadged WD Ultrastar DC HC330 model, given the … Western Digital 6TB WD Red NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAX 4.3 out of 5 stars 1,169. No word on whether or not this is SMR or CMR. These drives even present 5400RPM rotational speed in their SMART… Western Digital 6TB WD Red Pro NAS Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD6003FFBX 4.6 out of 5 stars 1,356. And not really 5400 sadly. $144.74. Anticiper une panne disque; Achat. Check if Disk Drive is SMR. EffrafaxOfWug Radioactive Member. 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. First up is CMR, which stands for conventional magnetic recording. And this one does not say SMR. WD now have an SMR 4TB drive, the WD40EFAX (cheaper for them?). Seagate; Toshiba; Western Digital; Contact; HDD Database / Base de Donnees des Disques durs (Updated January 2021) Full View Summary View. So: RX = CMR = Good. *Note 2: A helium-filled variant of the WD80EMAZ with -xxWJTAx identifier code does exist. Now, the company has been caught misrepresenting how fast certain hard drives spin — and trying to weasel out of it with […] It is measurably awful when used with a NAS. The HC600 series, smallest capacity is like 16TB so don't have to worry about an 8TB SMR 600 series. Please enter the drive model number below to check our database. D'abord la débâcle WD Blue/Green, puis la bombe des disques SMR cachés se présentant comme CMR, et maintenant encore autre chose : il semble que beaucoup de disques WD qui sont annoncés comme 5400RPM sont en fait des disques à 7200RPM. But looks like WE80EFAX with supposed noise issues that I was asking about is already being rebranded as a Plus since it’s already CMR. 6 COMMENTS. If you follow STH Great Deals section on the forums, which you should, we saw WD Easystore 10TB USB Desktop backup drives deals start showing up, and many members here purchased a number of these. NAS et disque dur SMR. Alternatively you can just add it to a ZFS array and kick off a resilver... if you haven't posted back in 10 days we'll … Current SMR drives are helium-free, the luckiest ones may live way longer than their helium-filled friends, which will leak and become close to unusable when He-depleted. Iron wolf, Iron wolf pro are stated as CMR, HGST He8 is also CMR PMR is Perpendicular Magnetic Recording, effectively it's a way to make the read/write head smaller by using a vertical alignment. Get the best deals for wd80emaz at eBay.com. Our data shows that the disk drives WD 4TB Red WD40EFRX are NOT based on SMR technology, the disk drives are based on CMR. "Internal Use" (7200RPM, 256MB cache?, SATA-600 interface, Advanced Format) WD80EMAZ-xxM9AAx 8TB (5/10)* WD80EDAZ-xxTA3Ax 8TB (5/10)* WD101EMAZ-xxG7DAx 10TB (6/12)** *Note: Rebadged HGST Ultrastar 7K8 / DC HC320 models, given the identical "US7SAN8T0" R/N on their labels … Sata ( 3 is like 16TB so do n't actually say a drive is CMR but do! 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