KingstonSA400S37/240G
AdataASU650SS-240GT-C

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

Release date ≈ Q3 2017.

Real World Speed
Performance profile from 50,378 user samples
42,753 User Benchmarks
Best Bench: 95% 118GB free
Worst Bench: 34% 38GB free (System drive)
Poor: 34% Great: 95%
SPEED RANK: 670th / 1000
7,625 User Benchmarks
Best Bench: 105% 130GB free
Worst Bench: 33% 147GB free (System drive)
Poor: 33% Great: 105%
SPEED RANK: 565th / 1000
Effective Speed
Effective SSD Speed
62.9 % 70.3 % Slightly faster effective speed.
+12%
Read
Avg. Sequential Read Speed
417 MB/s +2% 409 MB/s
Write
Avg. Sequential Write Speed
304 MB/s 315 MB/s +4%
4K Read
Avg. 4K Random Read Speed
26.9 MB/s Slightly faster random read.
+7%
25.2 MB/s
4K Write
Avg. 4K Random Write Speed
54.8 MB/s 66.8 MB/s Faster random write.
+22%
Mixed
Avg. Sequential Mixed IO Speed
261 MB/s 272 MB/s +4%
4K Mixed
Avg. 4K Random Mixed IO Speed
20.3 MB/s 27 MB/s Much faster random mixed IO.
+33%
SusWrite
Avg. Sustained Write Speed
153 MB/s 232 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
444 MB/s 453 MB/s +2%
4K Read
Peak 4K Random Read Speed
36.5 MB/s 40.9 MB/s Slightly faster peak random read.
+12%
4K Write
Peak 4K Random Write Speed
102 MB/s 111 MB/s Slightly faster peak random write.
+9%
Mixed
Peak Sequential Mixed IO Speed
425 MB/s +1% 419 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
39 MB/s 44.8 MB/s Slightly faster peak random mixed IO.
+15%
SusWrite
Peak Sequential Sustained Write 60s Average
426 MB/s 434 MB/s +2%
Market Share
Based on 14,383,530 SSDs tested.
Market Share
Market Share (trailing 30 days)
2.97 % Hugely higher market share.
+591%
0.43 %
Value
Value For Money
156 % Much better value.
+42%
110 %
User Rating
UBM User Rating
60 % Slightly more popular.
+9%
55 %
Price
Price (score)
$27 Much cheaper.
+46%
$50
Age
Newest
28 Months 19+ Months Much more recent.
+32%
DQ Read
Peak 4K-64Thread Read Speed
276 MB/s Faster peak deep queue read.
+29%
214 MB/s
DQ Write
Peak 4K-64Thread Write Speed
340 MB/s Slightly faster peak deep queue write.
+7%
318 MB/s
AS-SSD Total
AS-SSD Total Score
1,047 Pts Slightly stronger server IO.
+10%
949 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
205 MB/s 235 MB/s Slightly faster peak deep queue mixed IO.
+15%
ADQ Read
Avg. 4K-64Thread Read Speed
186 MB/s Much faster deep queue read.
+42%
131 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
202 MB/s Slightly faster deep queue write.
+5%
192 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
74.8 MB/s 130 MB/s Much faster deep queue mixed IO.
+74%
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) May 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

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CPUGPUSSD
Intel Core i7-8700K $356Nvidia GTX 1070 $314Samsung 850 Evo 250GB $92
AMD Ryzen 5 2600 $145Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $90SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $73Corsair Vengeance LPX DDR4 3200 C16 2x8GB $95SanDisk Ultra Fit 32GB $12
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