Release date ≈ Q3 2017.

Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC NAND. Release date: Q3 2016.

Real World Speed
Performance profile from 71,098 user samples
42,946 User Benchmarks
Best Bench: 96% 80GB free (System drive)
Worst Bench: 34% 91GB free (System drive)
Poor: 34% Great: 96%
SPEED RANK: 653rd / 1058
28,152 User Benchmarks
Best Bench: 105% 117GB free
Worst Bench: 49% 17GB free
Poor: 49% Great: 105%
SPEED RANK: 561st / 1058
Effective Speed
Effective SSD Speed
69.9 % 74.9 % Slightly faster effective speed.
Avg. Sequential Read Speed
408 MB/s 469 MB/s Faster read speed.
Avg. Sequential Write Speed
317 MB/s Faster write speed.
259 MB/s
4K Read
Avg. 4K Random Read Speed
24.1 MB/s 28 MB/s Faster random read.
4K Write
Avg. 4K Random Write Speed
66.6 MB/s 75 MB/s Faster random write.
Avg. Sequential Mixed IO Speed
275 MB/s +1% 271 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
27.7 MB/s 36.1 MB/s Much faster random mixed IO.
Avg. Sustained Write Speed
215 MB/s Much faster sustained write speed.
153 MB/s
Peak Sequential Read Speed
487 MB/s 515 MB/s Slightly faster peak read speed.
Peak Sequential Write Speed
439 MB/s 440 MB/s +0%
4K Read
Peak 4K Random Read Speed
38.2 MB/s +4% 36.9 MB/s
4K Write
Peak 4K Random Write Speed
105 MB/s 114 MB/s Slightly faster peak random write.
Peak Sequential Mixed IO Speed
409 MB/s 409 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
42.8 MB/s 49.2 MB/s Faster peak random mixed IO.
Peak Sequential Sustained Write 60s Average
413 MB/s Slightly faster peak sustained write speed.
389 MB/s
Market Share
Based on 47,167,361 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.2 % Hugely higher market share.
0.07 %
Value For Money
11.5 % 16.6 % Much better value.
User Rating
UBM User Rating
52 % 53 % +2%
Price (score)
$70 $25 Much cheaper.
47+ Months More recent.
60 Months
DQ Read
Peak 4K-64Thread Read Speed
266 MB/s Slightly faster peak deep queue read.
253 MB/s
DQ Write
Peak 4K-64Thread Write Speed
330 MB/s 348 MB/s Slightly faster peak deep queue write.
AS-SSD Total
AS-SSD Total Score
1,025 Pts 1,033 Pts +1%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
239 MB/s +3% 231 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
152 MB/s Slightly faster deep queue read.
139 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
200 MB/s Faster deep queue write.
179 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
146 MB/s Faster deep queue mixed IO.
115 MB/s
240GB 128GB

The advertised read and write speed is nowhere near the ACTUAL read and write speed. Luckily I got them on clearance at Fry's for $30, which is what they should be priced at. [Apr '19 woxozzPC]


Solid State Drive Rankings (Price vs Performance) September 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
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Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
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