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 15,253 user samples
12,265 User Benchmarks
Best Bench: 127% 255GB free
Worst Bench: 73% 140GB free
Poor: 73% Great: 127%
SPEED RANK: 55th / 859
2,988 User Benchmarks
Best Bench: 65% 277GB free
Worst Bench: 37% 72GB free
Poor: 37% Great: 65%
SPEED RANK: 613th / 859
Effective Speed
Effective SSD Speed
102 % Hugely faster effective speed.
+96%
52.2 % -96%
Read
Avg. Sequential Read Speed
506 MB/s Faster read speed.
+16%
437 MB/s -16%
Write
Avg. Sequential Write Speed
445 MB/s Hugely faster write speed.
+100%
223 MB/s -100%
4K Read
Avg. 4K Random Read Speed
33 MB/s Much faster random read.
+56%
21.2 MB/s -56%
4K Write
Avg. 4K Random Write Speed
89.4 MB/s Hugely faster random write.
+429%
16.9 MB/s -429%
Mixed
Avg. Sequential Mixed IO Speed
465 MB/s Hugely faster mixed IO speed.
+89%
246 MB/s -89%
4K Mixed
Avg. 4K Random Mixed IO Speed
37.9 MB/s Hugely faster random mixed IO.
+194%
12.9 MB/s -194%
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.
+72%
292 MB/s -72%
4K Read
Peak 4K Random Read Speed
44.2 MB/s Much faster peak random read.
+53%
28.9 MB/s -53%
4K Write
Peak 4K Random Write Speed
130 MB/s Hugely faster peak random write.
+475%
22.6 MB/s -475%
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
56.9 MB/s Hugely faster peak random mixed IO.
+213%
18.2 MB/s -213%
Market Share
Based on 3,862,811 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.72 % Hugely higher market share.
+350%
0.16 % -350%
Value
Value For Money
106 % Hugely better value.
+80%
58.9 % -80%
User Rating
UBM User Rating
73 % Much more popular.
+30%
56 % -30%
Price
Price (score)
$185 -16% $155 Cheaper.
+16%
Age
Newest
38 Months Much more recent.
+34%
58 Months -34%
DQ Read
Peak 4K-64Thread Read Speed
383 MB/s Hugely faster peak deep queue read.
+81%
212 MB/s -81%
DQ Write
Peak 4K-64Thread Write Speed
343 MB/s Hugely faster peak deep queue write.
+293%
87.3 MB/s -293%
AS-SSD Total
AS-SSD Total Score
1,264 Pts Hugely stronger server IO.
+118%
581 Pts -118%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
171 MB/s Hugely faster peak deep queue mixed IO.
+228%
52.2 MB/s -228%
ADQ Read
Avg. 4K-64Thread Read Speed
230 MB/s Hugely faster deep queue read.
+105%
112 MB/s -105%
ADQ Write
Avg. 4K-64Thread Write Speed
232 MB/s Hugely faster deep queue write.
+271%
62.5 MB/s -271%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
105 MB/s Hugely faster deep queue mixed IO.
+221%
32.7 MB/s -221%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) September 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 $295Nvidia GTX 1070 $400Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $270AMD RX 480 $350Samsung 850 Pro 256GB $120
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $263Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $56HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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