The SK Hynix Gold S31 SATA SSD Review: Hynix 3D NAND Finally Shows Up
by Billy Tallis on November 13, 2019 12:00 PM ESTAnandTech Storage Bench - Light
Our Light storage test has relatively more sequential accesses and lower queue depths than The Destroyer or the Heavy test, and it's by far the shortest test overall. It's based largely on applications that aren't highly dependent on storage performance, so this is a test more of application launch times and file load times. This test can be seen as the sum of all the little delays in daily usage, but with the idle times trimmed to 25ms it takes less than half an hour to run. Details of the Light test can be found here. As with the ATSB Heavy test, this test is run with the drive both freshly erased and empty, and after filling the drive with sequential writes.
On the Light test, the SK Hynix Gold S31 SSDs all show decent overall performance, including when the test is run on a full drive. They aren't the fastest SATA drives to complete the test, but they trail by single-digit percentages.
Average and 99th percentile latency is great for the larger two S31 models. The average latency for the 250GB model is a bit higher than for its larger siblings, but it's still ahead of the DRAMless drives. The 99th percentile latency score for the 250GB S31 is bad news: it's almost twice as bad as the DRAMless SSDs, though thankfully the S31's performance doesn't completely fall to pieces if the test is run on a full drive
The average read latencies from the S31 drives is unremarkable. For reads, the 250GB model does stick out a bit from this crowd, but it isn't as much of an outlier as the DRAMless models.
As with average read and write latencies, the 99th percentile latency subscores show that the S31 isn't really a problem for reads, and it is a minor issue for writing to the drive.
The SK Hynix Gold S31 drives are essentially tied with the DRAMless SSDs for lowest energy usage over the course of the Light test.
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bananaforscale - Sunday, November 17, 2019 - link
And PLC will probably suck even more than QLC.netzflickzz - Friday, October 2, 2020 - link
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How about we get some capacity bumps while we are at it too! I’d love to toss a 4TB QLC m.2 SSD in my laptop, one less thing to carry like the portable rust for my extensive Steam library.eek2121 - Wednesday, November 13, 2019 - link
Your laptop likely has a 2.5" sata bay. I expect we shot ourselves in the foot with m.2. There is quite a bit less space for the nand and controller, and m.2 drives are harder to cool. I personally had to buy a heatsink for my 970 evo.kpb321 - Wednesday, November 13, 2019 - link
At 4tb your drive cost is going to have pretty much linear scaling with the size as the cost of the NAND becomes the dominating factor which is what we see in the pricing chart even for 2.5' drives where space shouldn't be an issue. The 250 gb drives have a higher cost per gb reflecting the costs for the enclosure, the controller and dram, and circuit board. By 512gb or 1tb the cost per gb has become flat. A 4tb M2 drive would be a little bit harder to do than a 2.5' drive but I still think the main limitation is the relatively limited market for 400-500 SSD drives and currently 2.5' drives address more of that market.Death666Angel - Thursday, November 14, 2019 - link
Don't confuse M.2, NVME and SATA. There's a difference between protocoll and form factor. And I have no cooling on 2 out of 3 of my desktop M.2 NVME drives, just normal case ventilation for an upper midrange build, and they are fine around 40 to 50°C idle and never above 60°C when doing things (copy, extract, compress). What sort of situation led to your Evo throttling?firewrath9 - Saturday, November 16, 2019 - link
You can fit the exact same controller, nand, and dram on M.2 ssd as you can in a 2.5" one.Have seen the PCB on any recent SSD, 2.5" or M.2?
Besides, I'd rather have a larger battery, lighter/smaller laptop, or better cooling system or a combination of those than a 2.5" bay.
milli - Thursday, November 14, 2019 - link
Always loved the Corsair Neutron. While not giving peak performance, it gave very stable performance. It seems that this legacy is still existing with this controller.jabber - Thursday, November 14, 2019 - link
I see the moaning comments re. these drives, stagnation, low speeds etc.Then I get handed a customers laptop which still has a 500GB spinner in it and I remember how far from reality some of us have come. You've never had it so good!MenhirMike - Thursday, November 14, 2019 - link
True, but "You've never had it so good!" has been true for decades. That 500 GB spinner is so much better than a 40 GB spinner from a few years before, and despite that 500 GB spinner being the "never had it so good" of its time, we got bigger, faster, cheaper drives.That doesn't mean we should just be happy with what we've got and stop asking for more :) I want to see 5c/GB as soon as possible, 2 TB/$100 drive, and maybe some 4 TB/$200 drive would be welcome.