KingstonSA400S37/240G
AdataASU650SS-240GT-C

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

VS
About

Release date ≈ Q3 2017.

Real World Speed
Performance profile from 95,447 user samples
81,937 User Benchmarks
Best Bench: 91% 192GB free (System drive)
Worst Bench: 36% 13GB free (System drive)
Poor: 36% Great: 91%
SPEED RANK: 674th / 1011
13,510 User Benchmarks
Best Bench: 102% 223GB free
Worst Bench: 32% 34GB free (System drive)
Poor: 32% Great: 102%
SPEED RANK: 611th / 1011
Effective Speed
Effective SSD Speed
64.2 % 68.7 % Slightly faster effective speed.
+7%
Read
Avg. Sequential Read Speed
428 MB/s +5% 408 MB/s
Write
Avg. Sequential Write Speed
311 MB/s 316 MB/s +2%
4K Read
Avg. 4K Random Read Speed
27.3 MB/s Slightly faster random read.
+12%
24.4 MB/s
4K Write
Avg. 4K Random Write Speed
57.2 MB/s 64.6 MB/s Slightly faster random write.
+13%
Mixed
Avg. Sequential Mixed IO Speed
265 MB/s 270 MB/s +2%
4K Mixed
Avg. 4K Random Mixed IO Speed
21.1 MB/s 26.5 MB/s Faster random mixed IO.
+26%
SusWrite
Avg. Sustained Write Speed
146 MB/s 224 MB/s Much faster sustained write speed.
+53%
Read
Peak Sequential Read Speed
508 MB/s +3% 495 MB/s
Write
Peak Sequential Write Speed
444 MB/s 456 MB/s +3%
4K Read
Peak 4K Random Read Speed
37.3 MB/s 41.6 MB/s Slightly faster peak random read.
+12%
4K Write
Peak 4K Random Write Speed
105 MB/s 107 MB/s +2%
Mixed
Peak Sequential Mixed IO Speed
423 MB/s +3% 412 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
40.2 MB/s 44.2 MB/s Slightly faster peak random mixed IO.
+10%
SusWrite
Peak Sequential Sustained Write 60s Average
393 MB/s 417 MB/s Slightly faster peak sustained write speed.
+6%
Market Share
Based on 17,587,769 SSDs tested.
Market Share
Market Share (trailing 30 days)
2.91 % Hugely higher market share.
+870%
0.3 %
Value
Value For Money
18.9 % Better value.
+29%
14.7 %
User Rating
UBM User Rating
62 % Slightly more popular.
+13%
55 %
Price
Price (score)
$32 Much cheaper.
+35%
$49
Age
Newest
32 Months 23+ Months More recent.
+28%
DQ Read
Peak 4K-64Thread Read Speed
273 MB/s Much faster peak deep queue read.
+39%
196 MB/s
DQ Write
Peak 4K-64Thread Write Speed
342 MB/s Slightly faster peak deep queue write.
+10%
310 MB/s
AS-SSD Total
AS-SSD Total Score
1,048 Pts Slightly stronger server IO.
+15%
912 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
209 MB/s 234 MB/s Slightly faster peak deep queue mixed IO.
+12%
ADQ Read
Avg. 4K-64Thread Read Speed
195 MB/s Much faster deep queue read.
+48%
132 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
217 MB/s Faster deep queue write.
+17%
185 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
88.4 MB/s 135 MB/s Much faster deep queue mixed IO.
+53%
Capacity
Capacity
240GB 240GB
ADVERTISEMENT

Cheap price, fast read/write speeds, trusted brand name... whats not to like? [Feb '19 boingk]

MORE DETAILS

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]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) September 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]

ADVERTISEMENT

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
Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $80
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060 $340Samsung 850 Pro 256GB $215
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $630SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 16GB $24
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback