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 25,112 user samples
20,584 User Benchmarks
Best Bench: 122% 369GB free
Worst Bench: 71% 58GB free
Poor: 71% Great: 122%
SPEED RANK: 101st / 921
4,528 User Benchmarks
Best Bench: 64% 263GB free
Worst Bench: 35% 337GB free
Poor: 35% Great: 64%
SPEED RANK: 694th / 921
Effective Speed
Effective SSD Speed
99.5 % Hugely faster effective speed.
+92%
51.7 %
Read
Avg. Sequential Read Speed
502 MB/s Faster read speed.
+16%
434 MB/s
Write
Avg. Sequential Write Speed
440 MB/s Hugely faster write speed.
+100%
220 MB/s
4K Read
Avg. 4K Random Read Speed
32.2 MB/s Much faster random read.
+56%
20.6 MB/s
4K Write
Avg. 4K Random Write Speed
85.8 MB/s Hugely faster random write.
+417%
16.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed
464 MB/s Hugely faster mixed IO speed.
+93%
240 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
35.7 MB/s Hugely faster random mixed IO.
+175%
13 MB/s
Read
Peak Sequential Read Speed
528 MB/s +3% 512 MB/s
Write
Peak Sequential Write Speed
502 MB/s Much faster peak write speed.
+76%
285 MB/s
4K Read
Peak 4K Random Read Speed
41 MB/s Much faster peak random read.
+46%
28.1 MB/s
4K Write
Peak 4K Random Write Speed
119 MB/s Hugely faster peak random write.
+436%
22.2 MB/s
Mixed
Peak Sequential Mixed IO Speed
516 MB/s Much faster peak mixed IO speed.
+69%
305 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
53.6 MB/s Hugely faster peak random mixed IO.
+199%
17.9 MB/s
Market Share
Based on 6,424,525 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.38 % Hugely higher market share.
+443%
0.07 %
Value
Value For Money
85.3 % Much better value.
+65%
51.7 %
User Rating
UBM User Rating
74 % Much more popular.
+32%
56 %
Price
Price (score)
$238 $182 Cheaper.
+24%
Age
Newest
45 Months Much more recent.
+31%
65 Months
DQ Read
Peak 4K-64Thread Read Speed
376 MB/s Much faster peak deep queue read.
+77%
212 MB/s
DQ Write
Peak 4K-64Thread Write Speed
340 MB/s Hugely faster peak deep queue write.
+294%
86.2 MB/s
AS-SSD Total
AS-SSD Total Score
1,233 Pts Hugely stronger server IO.
+114%
577 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
166 MB/s Hugely faster peak deep queue mixed IO.
+219%
52.1 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
218 MB/s Hugely faster deep queue read.
+93%
113 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
226 MB/s Hugely faster deep queue write.
+252%
64.2 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
94.5 MB/s Hugely faster deep queue mixed IO.
+189%
32.7 MB/s
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) April 2018 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.
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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $170Nvidia GTX 1060-6GB $310Samsung 850 Evo 500GB $137
Intel Core i7-7700K $290AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $204SanDisk Ultra Fit 32GB $12
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