The Samsung 850 EVO 4TB SSD Review
by Billy Tallis on July 11, 2016 10:00 AM ESTAnandTech Storage Bench - The Destroyer
The Destroyer is an extremely long test replicating the access patterns of very IO-intensive desktop usage. A detailed breakdown can be found in this article. Like real-world usage and unlike our Iometer tests, the drives do get the occasional break that allows for some background garbage collection and flushing caches, but those idle times are limited to 25ms so that it doesn't take all week to run the test.
We quantify performance on this test by reporting the drive's average data throughput, a few data points about its latency, and the total energy used by the drive over the course of the test.
The Destroyer isn't enough to really challenge the 4TB 850 EVO, as this test doesn't write enough data to fill the drive even halfway. The 1TB 850 Pro still holds the record for the highest average data rate maintained by a SATA drive, but the 4TB EVO is closer to that than to any slower drive.
After the 2TB 850 Pro and EVO managed to tie with the top tier of drives for average service time, it is a little disappointing to see the 4TB 850 EVO only manages to match the 1TB models, but that's still high-end performance.
The 4TB 850 EVO has slightly more extreme latency outliers than the 2TB 850s, but at the more strict threshold of 10ms it is tied with the 1TB 850 EVO for being the best TLC drive.
The 4TB 850 EVO brings a little more reduction in power use over the 2TB 850 EVO, which substantially cut power use relative to the 1TB model. The 4TB drive is clearly not paying any significant penalty for keeping so much flash and DRAM powered up.
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Adm_SkyWalker - Monday, July 11, 2016 - link
At CES Mushkin said they were planning on releasing a 4TB SSD by the end of the year. They are targeting a $500 price point. Unless they scrapped it, this could be a cheaper option before the end of the year.http://techreport.com/news/29583/mushkin-previews-...
http://techreport.com/news/29583/mushkin-previews-...
Kristian Vättö - Monday, July 11, 2016 - link
It was a misinterpretation. The $500 price point was for the 2TB drive, with the price of the 4TB being unannounced (likely a double at least).http://www.anandtech.com/comments/9986/ces-2016-ro...
Adm_SkyWalker - Tuesday, July 12, 2016 - link
I should of figured it was to good to be true. Still a competing $1000 drive could convince Samsung to lower their price. Assuming the speed is comparable between the two.aggiechase37 - Monday, July 11, 2016 - link
Way WAY WAAAAYYY too expensive. For this price you could get piece together a RAID configuration out of regular HDD and get a decent amount of the same performance AND the added bonus of having redundancy in the case of a drive failure. Can't see who purchases this.Chloiber - Monday, July 11, 2016 - link
Not sure why anyone would want to buy this when you can get a 4TB Samsung P863 Enterprise SSD for 300$ more...Taracta - Monday, July 11, 2016 - link
Isn't the 25% over-provisioning getting a bit much for these larger SSDs? Does a 4TB SSD really need 1TB over-provisioning to max-out relative performance? Would 10% be enough for these large drives?Billy Tallis - Monday, July 11, 2016 - link
That is something I've wondered about and will probably look in to eventually, but it would be pretty time consuming to test and isn't something I can see adding to the routine suite of benchmarks.Impulses - Monday, July 11, 2016 - link
Something to ask Samsung tho?Taracta - Thursday, July 14, 2016 - link
Thanks for your reply. I believe that you should just test this 4TB SSD for now to see the impact and another couple of different ~4TB SSDs when available to compare with these results. Forget about the lesser drives, too many and too late.ACE76 - Monday, July 11, 2016 - link
hopefully we see more manufacturers release 4tb and greater SSDs...these drives will end the need for platter based hard drives for good...price is too high right now but it should come down over the next 6 months to a year.