WD Red SA500 M.2 1TB NAS SSD review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 368 Page 1 of 1 Published by

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#5785203
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I think that ZFS box with some RAM & SSD for cache + spindle disks for storage in RAID-Z2 would make more sense than going SSDs only, at least with such total writes value.
#5785206
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Hilbert Hagedoorn:

Yikes. Who is going to buy an M2 unit that is SATA3 based?
If it was to put in a PC i would said so, but red's target are NAS and RAID dedicated system, nearly all wich use M2 are SATA... then it make sense. Nice review Hilbert
#5785262
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I don't understand what makes this more special for a NAS than any other TLC SSD. If endurance was the selling point, they'd have made it MLC or SLC.
#5785351
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WD is either completely incompetent or is purposely kneecapping their consumer line to push sales to their higher-end product lines or to their HGST labeled devices.
#5785374
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I have a software setup based on PrimoCache on my server, 1 SSD + many HDDs. What this resolves by offloading commonly (or recently) accessed data to the SSD is save a lot of power by spinning down the disks for most of the time. The computer eats around 80W in idle with all disks in power saving mode (not spinning), and if I do a check it jumps to over 200W and stays there until the 10 minute power management kicks in. Amazing how much HDDs can consume when there are lots of them ! Not to mention that the machine is nearly silent with the disks not spinning, while being quite noisy with them on ! Not sure if NASes do the same, but it would be a good use case for such a drive. For speed ? Nah, not much, since the likelyhood of data needing to be accessed from the HDDs is high, 1TB nowhere near enough cache for a 100+ TB array...
#5785427
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schmidtbag:

I don't understand what makes this more special for a NAS than any other TLC SSD. If endurance was the selling point, they'd have made it MLC or SLC.
The main use is for acceleration, the main media is still HDD, 1To for a 100 To? if you have that kind of configuration you certainaly have the money to have better, big dedicated RAM and many SDD to reach descent perf. MLC and SLC are for the pro catalog and are to be used as main unit (and are way more expensive too).