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 21,976 user samples
17,844 User Benchmarks
Best Bench: 123% 477GB free
Worst Bench: 70% 176GB free
Poor: 70% Great: 123%
SPEED RANK: 70th / 885
4,132 User Benchmarks
Best Bench: 65% 239GB free
Worst Bench: 35% 274GB free
Poor: 35% Great: 65%
SPEED RANK: 637th / 885
Effective Speed
Effective SSD Speed
100 % Hugely faster effective speed.
+91%
52.4 %
Read
Avg. Sequential Read Speed
499 MB/s Slightly faster read speed.
+13%
441 MB/s
Write
Avg. Sequential Write Speed
438 MB/s Hugely faster write speed.
+97%
222 MB/s
4K Read
Avg. 4K Random Read Speed
32.9 MB/s Much faster random read.
+56%
21.1 MB/s
4K Write
Avg. 4K Random Write Speed
86.5 MB/s Hugely faster random write.
+421%
16.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed
457 MB/s Hugely faster mixed IO speed.
+87%
245 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
36.5 MB/s Hugely faster random mixed IO.
+179%
13.1 MB/s
Read
Peak Sequential Read Speed
528 MB/s +3% 514 MB/s
Write
Peak Sequential Write Speed
503 MB/s Much faster peak write speed.
+73%
291 MB/s
4K Read
Peak 4K Random Read Speed
43 MB/s Much faster peak random read.
+52%
28.2 MB/s
4K Write
Peak 4K Random Write Speed
120 MB/s Hugely faster peak random write.
+450%
21.8 MB/s
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+71%
302 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
54.2 MB/s Hugely faster peak random mixed IO.
+193%
18.5 MB/s
Market Share
Based on 5,619,061 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.77 % Hugely higher market share.
+600%
0.11 %
Value
Value For Money
91.3 % Much better value.
+54%
59.2 %
User Rating
UBM User Rating
74 % Much more popular.
+32%
56 %
Price
Price (score)
$219 $155 Cheaper.
+29%
Age
Newest
43 Months Much more recent.
+32%
63 Months
DQ Read
Peak 4K-64Thread Read Speed
378 MB/s Much faster peak deep queue read.
+77%
214 MB/s
DQ Write
Peak 4K-64Thread Write Speed
342 MB/s Hugely faster peak deep queue write.
+295%
86.5 MB/s
AS-SSD Total
AS-SSD Total Score
1,243 Pts Hugely stronger server IO.
+114%
581 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
169 MB/s Hugely faster peak deep queue mixed IO.
+228%
51.5 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
213 MB/s Hugely faster deep queue read.
+85%
115 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
226 MB/s Hugely faster deep queue write.
+248%
65 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
94.9 MB/s Hugely faster deep queue mixed IO.
+186%
33.2 MB/s
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) February 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 $430Samsung 850 Evo 250GB $87
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $125
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $200SanDisk Extreme 16GB $18
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