The Samsung 860 PRO (512GB And 4TB) SSD Review: Replacing A Legend
by Billy Tallis on January 23, 2018 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, 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. These AnandTech Storage Bench (ATSB) tests do not involve running the actual applications that generated the workloads, so the scores are relatively insensitive to changes in CPU performance and RAM from our new testbed, but the jump to a newer version of Windows and the newer storage drivers can have an impact.
We quantify performance on this test by reporting the drive's average data throughput, the average latency of the I/O operations, and the total energy used by the drive over the course of the test.
Samsung's dominance of this test wasn't being seriously challenged, but the 512GB 860 PRO does show improvement to the average data rate on The Destroyer, putting it up in the range of Samsung's multi-TB SATA drives. It's a small change, but SATA doesn't leave room for big gains.
The good average and 99th percentile latency scores of the SanDisk Ultra 3D match or beat the best scores from the Samsung SATA drives. The 512GB 860 PRO shows substantial improvement in 99th percentile latency and more modest gains in average latency, relative to the 850 PRO.
The Samsung 860 PROs show the best average read latencies in their respective product classes, but the SanDisk Ultra 3D isn't far behind. For average write latencies, the Ultra 3D takes a clear lead over the Samsung drives, and the Crucial BX300 is ahead of the Samsung drives by a hair.
The 99th percentile read and write latencies of the 860 PRO show substantial improvements at 512GB, and smaller improvements among the multi-TB drives.
While the 4TB 860 PRO performed better on The Destroyer than the 512GB model by every measure, the 512GB model was more power efficient, and sets a new record for its class. The improvements relative to the 850 PRO are remarkable: the old 512GB 850 PRO required 60% more energy to complete The Destroyer than the new 512GB 860 PRO. Samsung has caught up with the modern competitors in terms of energy efficiency.
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rocky12345 - Tuesday, January 23, 2018 - link
Great review as always Thank You. I am happy to see my 850 Pro 512GB drive still hanging in there and able to perform with the big guys still in the Sata based drives that is. I am thinking that when I do my whole platform upgrade in the fall of 2018 I will be picking up a Samsung 960 Pro 512GB drive for my new build and most likely keep my current drive in my current system and pass it all on to my wife I am sure she will like the great speed increase going from a 750GB HDD to the Samsung SSD & well all the other goodies in the system as well.WithoutWeakness - Tuesday, January 23, 2018 - link
If you're building an entire new system in the fall I would seriously recommend moving to a PCIe M.2 drive. The 1TB 960 EVO will blow the 1TB 860 PRO out of the water for the same price. The only trade-off is the shorter warranty (3 years vs 5 years).BurntMyBacon - Wednesday, January 24, 2018 - link
I would agree with you, except Rocky said he'll be picking up a 960Pro not an 860Pro.lilmoe - Tuesday, January 23, 2018 - link
I weep every time I see those prices... F'ing ridiculous.imaheadcase - Tuesday, January 23, 2018 - link
Only after you go over 512gig. These prices are pretty tame compared to when the old version came out without the higher end models. You would be paying $500 for that entry one for 256gig.Considering that most people really don't need more than 512gig or even 256g for the average users its pretty nice price. Media is what takes most space on drives, and most stream it or have on separate drive that is bigger.
lilmoe - Tuesday, January 23, 2018 - link
It gets on my nerves to see price actually *increase* per GB for the higher capacities instead of the opposite, which seems to be common place among drives from all vendors.I don't know. I still find it hard to justify a "premium" SSD above 512GB, when you'd want the peace of mind, oh well. Feel my pain?
BurntMyBacon - Wednesday, January 24, 2018 - link
It is especially frustrating to pay more per GB when you see models with the same controller, memory, PCB, and type of NAND chips, but one model has a few more of the NAND chips to get the capacity. Their cost to build (per GB) would come down seeing as they don't need to spend any more on any components except the extra NAND chip. In situations where a different (and low quantity) controller and/or different NAND chips are used, there is some justification, but the premium presented to customers is sometimes disparate to the costs incurred by the manufacturer.Lolimaster - Tuesday, January 23, 2018 - link
Since when a simple MLC 4TB is not a mainstream product? That should be the aim for sata SSD's.Now they try to seel you MLC like it was SLC. For less than $1k we get the 2xCrucial MX500 2TB, yeah TLC, but why MLC needs to be that costly...
BurntMyBacon - Wednesday, January 24, 2018 - link
Now that all the other manufacturers have stepped away from MLC, there is both no direct competition and an artificial shortage (or the appearance there of) for people who want MLC. I imagine the MRSP will not stick around for very long if they want to sell these. Unfortunately, I also imagine that they will settle in to the (still high) price bracket that their 850 series counterparts are at now.comma - Tuesday, January 23, 2018 - link
Could you clarify what capacities are correlated with what size PCB?Are the 256gb and 512gb pcbs the smaller pcb? The anandtech 850 evo review has a section on "inside the drives" where it compares the pcb sizes to the capacity. If you could add something like that for this review, that would be awesome. Many thanks!