CUSTOMER REVIEWS: SAMSUNG SSD 860 EVO 250GB 2

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The Samsung 860 EVO has convinced us: It is now safe khổng lồ equate TLC (Triple-Level-Cell) SSDs with top-notch SATA performance. TLC-NAND SSDs used to lớn be more about affordability, but the 860 EVO is the third TLC-NAND drive we"ve sầu tested that doesn"t bog down on long sustained transfers. (The other drives are the identical-except-for-the-label WD Blue 3 chiều và Sandisk Ultra 3 chiều.)

We even quadrupled our normal 20GB copies, and the 860 EVO easily maintained the pace. In fact, despite being quite a bit cheaper, the 860 EVO"s performance compares more than favorably with that of its 860 Pro cousin. You can kiểm tra out all our SSD Review in the full roundup. 

Note: This Review is part of our best SSDs roundup. Go there for details about competing products and how we tested them.

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Design & features

Though the 860 EVO is available in the 2.5-inch khung factor, we tested the M.2 2280 (22mm across, 80milimet long) version in the 1TB capađô thị. Both are SATA 6Gbps và available with up to lớn 4TB of capathành phố. Fitting that much storage into lớn something little bigger than a stiông chồng of gum is quite the achievement. The controller is Samsung"s own MJX, and the NAND it"s feeding và reading from is Samsung"s own stacked/layered/3 chiều 3-bit TLC.

Samsung

The 860 EVO is Samsung"s answer to the TLC sustained-write lag. And the answer is there isn"t any, any longer.

As to lớn the controller, I didn"t speak khổng lồ Samsung about it, but the scuttlebutt I"ve heard around the industry is that while TLC (when written to its full 3-bit capacity) is indeed slower than 2-bit MLC or 1-bit SLC, it"s been primarily the controllers that have held back performance. The lachạy thử generation of controllers apparently knows how to lớn cope with the slower write times. Whether this translates inkhổng lồ increased latency (the time between the data"s being captured to lớn the drive & permanently written) hasn"t been discussed.

Mentioned in this article
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Samsung 860 EVO 250GB M.2 SATA Internal SSD (MZ-N6E250BW)
MSRPhường $94.99
See it

Initial pricing for the 860 EVO is $95 for 250GB, $170 for the 500GB version; $330 for the 1TB flavor we tested, $650 for the 2TB version; and the 4TB version is $1400. On a per-gigabyte basis, that"s around 31-35 cents, while the 860 Pro varies between 47 và 51 cents per gigabyte. chú ý that the 860 Pro offers slightly more storage per capacity in the smaller sizes, at 256GB and 512GB.

The 860 EVOs are rated for 600TBW (TeraBytes Written) for every 1TB of capacity over their lifespan. This is about half what the 860 Pros are rated for, but typical for the low over of the market, và far more than the average user will ever write.

Performance

By just about every metric, the 860 EVO is the faskiểm tra TLC SATA SSD we"ve tested, if only by a slyên ổn margin. But it"s a clear improvement over the previous 750 and 850 EVOs, and faster than many MLC SSDs. In the performance charts below, the 860 EVO is the turquoise-colored bar. 

IDG

The 860 EVO (turquoise bars above) is a clear improvement over the 850 EVO và on a par with the best of the lathử nghiệm TLC-NAND SSDs such as WD"s Blue 3 chiều.

As you can see above sầu, there"s not a lot to choose from between the 860 EVO & the WD Blue 3 chiều (green bars), but the older 850 EVO (red bars) is clearly a step behind with sustained transfers.

IDG

AS SSD has the same thing to lớn say about the competing SSDs as our 20GB copy tests.

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AS SSD, shown above sầu, reveals the same story. CrystalDiskMark (shown below) calls out the one area, small queued writes, where the 860 EVO clearly outperforms the WD Blue 3D.

IDG

CrystalDiskMark showed the one area where the 860 EVO clearly outshone the WD Blue 3D--random queued writes.

Same-mã sản phẩm SSDs can vary drastically in performance according lớn their capacities, because the less capacious models have fewer chips and pipelines for shotgunning data. Samsung rates all its capacities the same for the same performance. We didn"t have other capacities to lớn test, but based on previous testing and experience, we find this clalặng likely to be just.

As sustained write tốc độ is no longer a concern with the lathử nghiệm TLC SSDs, the only reason to go with an pricier MLC drive such as the 860 Pro is if you"re concerned about longevity or write far more data daily than the average user. chú ý that the average SSD is rated for at least 10 years averaging 10GB of writes a day. And privately, vendors are convinced they"ll deliver more. That"s not a promise, just reassurance for the faint of heart.

Conclusion

The 860 EVO is the fasthử nghiệm TLC SSD we"ve sầu tested, albeit by a gnat"s eyebrow. But a win is a win, & given the same price, we recommend it over the WD Blue 3D & Sandisk Ultra 3 chiều. That said, you"ll be more than happy with any of the three, so if you find the latter two significantly cheaper, go for it. Subjectively, you"ll never be able khổng lồ tell the difference.

Caveat emptor: There are still lots of older TLC SSDs out there with slow lớn pitifully slow sustained writes. Shop carefully, and of course, read our other SSD Đánh Giá.


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The Samsung 860 EVO delivers performance every bit as good as its MLC rivals. It"s a worthy competitor for the WD Blue 3 chiều and Sandisk 3 chiều, two other TLC drives that are undoing TLC"s weak reputation.


ProsExcellent performance on a par with MLC drivesVery affordableVery fast with small queued writes
ConsLess long-lived than the MLC (2-bit) SSDs
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Jon is a Juilliard-trained musician, former x86/6800 programmer, and long-time (late 70s) computer enthusiast living in the San Francisteo bay area. jjacobi