KingstonSA400S37/240G
AdataASU650SS-240GT-C

Controller: Phison PS3111-S11. Flash Memory: Toshiba 15nm TLC. Release date: Q1 2017.

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About

Release date ≈ Q3 2017.

Real World Speed
Performance profile from 108,106 user samples
93,137 User Benchmarks
Best Bench: 92% 193GB free (System drive)
Worst Bench: 34% 59GB free (System drive)
Poor: 34% Great: 92%
SPEED RANK: 679th / 1011
14,969 User Benchmarks
Best Bench: 103% 221GB free
Worst Bench: 34% 33GB free (System drive)
Poor: 34% Great: 103%
SPEED RANK: 604th / 1011
Effective Speed
Effective SSD Speed
63.9 % 69.2 % Slightly faster effective speed.
+8%
Read
Avg. Sequential Read Speed
422 MB/s +2% 413 MB/s
Write
Avg. Sequential Write Speed
303 MB/s 303 MB/s
4K Read
Avg. 4K Random Read Speed
27.4 MB/s Slightly faster random read.
+10%
25 MB/s
4K Write
Avg. 4K Random Write Speed
57.7 MB/s 65.6 MB/s Slightly faster random write.
+14%
Mixed
Avg. Sequential Mixed IO Speed
266 MB/s +0% 265 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
21.6 MB/s 26.5 MB/s Faster random mixed IO.
+23%
SusWrite
Avg. Sustained Write Speed
145 MB/s 221 MB/s Much faster sustained write speed.
+52%
Read
Peak Sequential Read Speed
510 MB/s +3% 493 MB/s
Write
Peak Sequential Write Speed
448 MB/s 451 MB/s +1%
4K Read
Peak 4K Random Read Speed
36.5 MB/s 41.3 MB/s Slightly faster peak random read.
+13%
4K Write
Peak 4K Random Write Speed
105 MB/s 108 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
428 MB/s +3% 416 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
39.6 MB/s 46.1 MB/s Faster peak random mixed IO.
+16%
SusWrite
Peak Sequential Sustained Write 60s Average
401 MB/s 412 MB/s +3%
Market Share
Based on 19,104,635 SSDs tested.
Market Share
Market Share (trailing 30 days)
2.86 % Hugely higher market share.
+886%
0.29 %
Value
Value For Money
18.8 % Better value.
+27%
14.8 %
User Rating
UBM User Rating
60 % Slightly more popular.
+9%
55 %
Price
Price (score)
$32 Much cheaper.
+35%
$49
Age
Newest
34 Months 25+ Months More recent.
+26%
DQ Read
Peak 4K-64Thread Read Speed
277 MB/s Slightly faster peak deep queue read.
+9%
254 MB/s
DQ Write
Peak 4K-64Thread Write Speed
339 MB/s Slightly faster peak deep queue write.
+6%
319 MB/s
AS-SSD Total
AS-SSD Total Score
1,051 Pts +4% 1,008 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
209 MB/s 237 MB/s Slightly faster peak deep queue mixed IO.
+13%
ADQ Read
Avg. 4K-64Thread Read Speed
195 MB/s Much faster deep queue read.
+43%
136 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
199 MB/s Slightly faster deep queue write.
+6%
187 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
88.7 MB/s 128 MB/s Much faster deep queue mixed IO.
+44%
Capacity
Capacity
240GB 240GB
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Cheap price, fast read/write speeds, trusted brand name... whats not to like? [Feb '19 boingk]

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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]

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Solid State Drive Rankings (Price vs Performance) November 2019 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]

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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.

UserBenchmark of the month

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.
  • - Reports are generated and presented on userbenchmark.com.
  • - 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.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
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Intel Core i7-9700K $349Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
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WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Ultra Fit 32GB $14
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