SamsungMZ-7KE512BW
KingstonSV300S37A/480G

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

Controller: LSI SandForce SF2281. Flash Memory: Toshiba 19nm Toggle Mode MLC.

Real World Speed
Performance profile from 10,537 user samples
8,766 User Benchmarks
Best Bench: 122% 236GB free
Worst Bench: 71% 259GB free
Poor: 71% Great: 122%
SPEED RANK: 50th / 848
1,771 User Benchmarks
Best Bench: 65% 419GB free
Worst Bench: 36% 138GB free
Poor: 36% Great: 65%
SPEED RANK: 607th / 848
Effective Speed
Effective SSD Speed
99.2 % Hugely faster effective speed.
+91%
52 % -91%
Read
Avg. Sequential Read Speed
500 MB/s Slightly faster read speed.
+15%
436 MB/s -15%
Write
Avg. Sequential Write Speed
448 MB/s Hugely faster write speed.
+104%
220 MB/s -104%
4K Read
Avg. 4K Random Read Speed
32.2 MB/s Much faster random read.
+52%
21.2 MB/s -52%
4K Write
Avg. 4K Random Write Speed
88 MB/s Hugely faster random write.
+427%
16.7 MB/s -427%
Mixed
Avg. Sequential Mixed IO Speed
469 MB/s Hugely faster mixed IO speed.
+90%
247 MB/s -90%
4K Mixed
Avg. 4K Random Mixed IO Speed
34.5 MB/s Hugely faster random mixed IO.
+161%
13.2 MB/s -161%
Read
Peak Sequential Read Speed
528 MB/s +3% 514 MB/s -3%
Write
Peak Sequential Write Speed
503 MB/s Much faster peak write speed.
+75%
288 MB/s -75%
4K Read
Peak 4K Random Read Speed
41.4 MB/s Much faster peak random read.
+45%
28.6 MB/s -45%
4K Write
Peak 4K Random Write Speed
126 MB/s Hugely faster peak random write.
+462%
22.4 MB/s -462%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+60%
322 MB/s -60%
4K Mixed
Peak 4K Random Mixed IO Speed
54.5 MB/s Hugely faster peak random mixed IO.
+198%
18.3 MB/s -198%
Market Share
Based on 2,386,282 SSDs tested.
Market Share
Market Share (trailing 30 days)
1.1 % Hugely higher market share.
+450%
0.2 % -450%
Value
Value For Money
91.8 % Much better value.
+56%
58.7 % -56%
User Rating
UBM User Rating
67 % More popular.
+22%
55 % -22%
Price
Price (score)
$215 -28% $155 Cheaper.
+28%
Age
Newest
32 Months Much more recent.
+38%
52 Months -38%
DQ Read
Peak 4K-64Thread Read Speed
380 MB/s Much faster peak deep queue read.
+77%
215 MB/s -77%
DQ Write
Peak 4K-64Thread Write Speed
343 MB/s Hugely faster peak deep queue write.
+296%
86.6 MB/s -296%
AS-SSD Total
AS-SSD Total Score
1,250 Pts Hugely stronger server IO.
+114%
583 Pts -114%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
170 MB/s Hugely faster peak deep queue mixed IO.
+224%
52.4 MB/s -224%
ADQ Read
Avg. 4K-64Thread Read Speed
197 MB/s Hugely faster deep queue read.
+81%
109 MB/s -81%
ADQ Write
Avg. 4K-64Thread Write Speed
225 MB/s Hugely faster deep queue write.
+259%
62.7 MB/s -259%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
91.7 MB/s Hugely faster deep queue mixed IO.
+179%
32.9 MB/s -179%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) March 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-7700K $310AMD RX 480 $205Samsung 850 Evo 250GB $93
AMD Ryzen 7 1700 $330Nvidia GTX 1070 $370Samsung 850 Pro 256GB $130
Intel Core i5-7600K $215Nvidia GTX 1060-6GB $235Samsung 850 Evo 500GB $177
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $110SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $430SanDisk Extreme 32GB $26
Seagate Barracuda 7200.14 1TB $50Corsair Vengeance LPX DDR4 3200 C16 2x8GB $135SanDisk Ultra Fit 32GB $9
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