This has been the standard technology behind hard drive data storage since the mid-2000s. BackgroundI guess WD just can't stop screwing up their marketing. – Learn about WD - easystore 8TB External USB 3.0 Hard Drive - Black with 3 Answers – Best Buy It is often desirable to choose a CMR drive instead. 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. 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. Product ID’s according to MegaRAID: WDCWD40EFRX68W WDCWD40EFRX68W WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68N WDCWD40EFRX68W WDCWD40EFRX68W WDCWD40EFRX68N WDCWD40EFRX68W. Ressources . 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） It is measurably awful when used with a NAS. 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. My thoughts: If the premium is only 12%, it's not worth it to go SMR. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The ST4000DM000 was the original version (which goes back to about 2013). 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). The HC600 series, smallest capacity is like 16TB so don't have to worry about an 8TB SMR 600 series. WD Red DM-SMR Update 3 Vendors Bail and WD Knew of ZFS Issues. Is this drive SMR or PMR? $181.11. 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. SMR vs CMR – A quick primer. Aide au choix 2.5" Aide au choix 3.5" Les meilleurs choix actuels "Le" disque du moment ... Caractéristiques. 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. 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. 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. EffrafaxOfWug Radioactive Member. 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. 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. $144.74. No word on whether or not this is SMR or CMR. Now, the company has been caught misrepresenting how fast certain hard drives spin — and trying to weasel out of it with […] 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. 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