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 9,407 user samples
7,853 User Benchmarks
Best Bench: 124% 267GB free
Worst Bench: 69% 169GB free
Poor: 69% Great: 124%
SPEED RANK: 46th / 836
1,554 User Benchmarks
Best Bench: 64% 187GB free
Worst Bench: 35% 138GB free
Poor: 35% Great: 64%
SPEED RANK: 600th / 836
Effective Speed
Effective SSD Speed
101 % Hugely faster effective speed.
+95%
51.6 % -95%
Read
Avg. Sequential Read Speed
506 MB/s Faster read speed.
+19%
426 MB/s -19%
Write
Avg. Sequential Write Speed
453 MB/s Hugely faster write speed.
+105%
221 MB/s -105%
4K Read
Avg. 4K Random Read Speed
32 MB/s Much faster random read.
+52%
21.1 MB/s -52%
4K Write
Avg. 4K Random Write Speed
87.7 MB/s Hugely faster random write.
+422%
16.8 MB/s -422%
Mixed
Avg. Sequential Mixed IO Speed
475 MB/s Hugely faster mixed IO speed.
+93%
246 MB/s -93%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.6 MB/s Hugely faster random mixed IO.
+172%
13.1 MB/s -172%
Read
Peak Sequential Read Speed
528 MB/s +3% 513 MB/s -3%
Write
Peak Sequential Write Speed
502 MB/s Much faster peak write speed.
+71%
293 MB/s -71%
4K Read
Peak 4K Random Read Speed
40.5 MB/s Much faster peak random read.
+43%
28.4 MB/s -43%
4K Write
Peak 4K Random Write Speed
127 MB/s Hugely faster peak random write.
+467%
22.4 MB/s -467%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+51%
340 MB/s -51%
4K Mixed
Peak 4K Random Mixed IO Speed
51.3 MB/s Hugely faster peak random mixed IO.
+179%
18.4 MB/s -179%
Market Share
Based on 2,131,577 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.6 % Hugely higher market share.
+500%
0.1 % -500%
Value
Value For Money
94.8 % Much better value.
+36%
69.7 % -36%
User Rating
UBM User Rating
67 % More popular.
+16%
58 % -16%
Price
Price (score)
$210 -42% $122 Much cheaper.
+42%
Age
Newest
31 Months Much more recent.
+39%
51 Months -39%
DQ Read
Peak 4K-64Thread Read Speed
382 MB/s Much faster peak deep queue read.
+79%
213 MB/s -79%
DQ Write
Peak 4K-64Thread Write Speed
344 MB/s Hugely faster peak deep queue write.
+295%
87.1 MB/s -295%
AS-SSD Total
AS-SSD Total Score
1,253 Pts Hugely stronger server IO.
+116%
581 Pts -116%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
172 MB/s Hugely faster peak deep queue mixed IO.
+225%
53 MB/s -225%
ADQ Read
Avg. 4K-64Thread Read Speed
209 MB/s Hugely faster deep queue read.
+97%
106 MB/s -97%
ADQ Write
Avg. 4K-64Thread Write Speed
231 MB/s Hugely faster deep queue write.
+271%
62.3 MB/s -271%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
97 MB/s Hugely faster deep queue mixed IO.
+195%
32.9 MB/s -195%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) February 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 $339Nvidia GTX 1070 $370Samsung 850 Evo 250GB $94
Intel Core i5-7600K $240AMD RX 480 $177Samsung 850 Pro 256GB $130
Intel Pentium G4560 $60Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $170
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $30
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $650SanDisk Extreme 32GB $26
Seagate Barracuda 7200.14 1TB $37HyperX Fury DDR4 2133 C14 2x8GB $120SanDisk Extreme 16GB $18
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