WD Red 6TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD60EFRX

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The local distributor did not have WD60EFRX available and offered me a RED WD60EFAX at the same price which was supposed to be the same, newer, but a bit better - more cache. The logic was it wont be any better in your NAS but it wont be any worse. Join the Inner Circle? The Inner Circle is a community of like-minded individuals who are passionate about the same things you are. You’ll have the opportunity to ask questions and get replies from me and other Inner Circle members who are dedicated to helping each other out. And is really worrying. SMR have such a huge drop in writing performance than they had to advertise them as "archiving" devices before. Until all of them come clear and clearly brand SMR devices as such, i will try not to buy an HDD.

For those googling for the answer whether combining WD EFRX and WDEFZX (WD40EFRX and WD40EFZX in my case) would be safe. Few of them are SMR and other are CMR drives. You can identify them here https://nascompares.com/answer/list-of-wd-cmr-and-smr-hard-drives-hdd/ Basically dont.I understand that you're disappointed but now that you don't recommend using WD60EFAX, what's the better alternative for replacement when WD60EFRX are unavailable? if you are still going around in circles and need direct consultation, we have just started providing one-hour consultations via zoom. You can find out more about them via the link below:Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures. Right now all (Seagate, WD and Toshiba) of the major manufacturers have been selling SMR without clearly branding them as such. You would notice that some characters in the model names in the tables below are replaced with "?". "?" - means any character.

Do right by your NAS and choose the drive purpose-built for NAS with an array of features to help preserve your data and maintain optimum performance. Take the following into consideration when choosing a hard drive for your NAS: They really aren't, see viewtopic.php?f=45&t=154346 What a scam.Well that explain the slowness and inconsistency. x WD Green 3D NAND (120GB, 2.5") - - Boot drives (maybe mess around trying out the thread to put swap here too link) Hitachi/HGST are mostly known for both excellent reliability and good performance and many of us found it sad that WD killed the brand but think it's reassuring that the technology is reused in WD products. If it's true that the newer 6 TB WD Red are also HGST inside, then obviously that specific low power technology isn't the best. Though I can't remember hearing anything bad at all about the HGST low power products when they had those. My 10 year old DeskStars are still doing service today along with some 9 year old UltraStars in my main Qnap unit and the performance is decent considering their age. Those very old disks are actually much better than your WD60EFAX (120-140MB/s). Considering the extreme performance difference you see, have you looked at the detailed SMART data? Maybe you can spot an issue there? SMART ID #199 for instance...Compatibility: Unlike desktop drives, these drives are tested for compatibility and optimum performance. I have 2TB, 4TB and 6TB drives. If a drive fails, which tends to be one of the older 2TB drives I have replaced it with one of these 6TB drives.

This 7200RPM desktop hard drive is specifically designed for maximum performance. It delivers exceptional speed and responsiveness which make it ideal for enterprise-level applications, intensive data processing, and tasks that demand the highest level of performance and reliability. Interface: SMR does result in lower performance, but it enables cost savings that are attractive to some users, and if used in the correct types of workloads, those savings are worth the exchange of gaining access to deeper capacity. However, using SMR tech for desktop and laptop boot drives will likely remain a topic open for debate, as their underwhelming performance in sustained random write workloads could hamper performance in standard operating systems. With fast data transfer speeds, secure encryption, and reliable performance 6TB TB capacity is the perfect companion for all your storage needs. Store and access your extensive data collection effortlessly. The large capacity ensures sufficient storage headroom for future data growth and expanding storage demands. From Factor: Ideal for Home Offices, Power Users, Small to Medium Businesses and Consumer/Commercial NAS systems

Im at a bit of a crossroads here and was hoping for some advice. Right now there is only about 3tb of data on the entire nas while it reshapes. But i had about 5tb more ready to load onto the nas soon as it was going to complete. My initial thought was to buy another older WD60EFRX and soon as the raid reshape was completed I would pull the newer SMR drive and put in the WD60EFRX and let the system repair.

Error recovery controls: WD Red™ NAS hard drives are specifically designed with RAID error recovery control to help reduce failures within the NAS system. WD60EFRX Western Digital 3.5″ hard drive with a storage capacity of 6TB and featuring a SATA interface. WD60EFRX Western Digital Red 6TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive. So far none of these 6TB Red drives have failed and compared with the older 2TB drives very fast indeed.

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Thanks @sretalla thanks for the info re purples... I'll keep that in mind when I look at expanding if the pricing works... not too attractive at this moment.