SamsungMZ-7KE512BW
CrucialCT525MX300SSD1

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND. Release date: Q3 2014.

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC. Release date: Q2 2016.

Real World Speed
Performance profile from 74,584 user samples
32,067 User Benchmarks
Best Bench: 125% 294GB free
Worst Bench: 75% 477GB free
Poor: 75% Great: 125%
SPEED RANK: 169th / 992
42,517 User Benchmarks
Best Bench: 100% 76GB free
Worst Bench: 62% 52GB free (System drive)
Poor: 62% Great: 100%
SPEED RANK: 291st / 992
Effective Speed
Effective SSD Speed
104 % Faster effective speed.
+20%
86.6 %
Read
Avg. Sequential Read Speed
471 MB/s Faster read speed.
+18%
399 MB/s
Write
Avg. Sequential Write Speed
411 MB/s +2% 401 MB/s
4K Read
Avg. 4K Random Read Speed
33.3 MB/s Much faster random read.
+38%
24.2 MB/s
4K Write
Avg. 4K Random Write Speed
91.7 MB/s +3% 89.4 MB/s
Mixed
Avg. Sequential Mixed IO Speed
351 MB/s +2% 345 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
44.7 MB/s Faster random mixed IO.
+26%
35.6 MB/s
SusWrite
Avg. Sustained Write Speed
369 MB/s Faster sustained write speed.
+28%
289 MB/s
Read
Peak Sequential Read Speed
516 MB/s Faster peak read speed.
+18%
437 MB/s
Write
Peak Sequential Write Speed
486 MB/s +1% 481 MB/s
4K Read
Peak 4K Random Read Speed
43.1 MB/s Much faster peak random read.
+51%
28.5 MB/s
4K Write
Peak 4K Random Write Speed
128 MB/s +3% 124 MB/s
Mixed
Peak Sequential Mixed IO Speed
397 MB/s +2% 389 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
58.1 MB/s Much faster peak random mixed IO.
+35%
43 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
481 MB/s Much faster peak sustained write speed.
+45%
331 MB/s
Market Share
Based on 13,030,033 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.25 % 0.33 % Much higher market share.
+32%
Value
Value For Money
89.1 % 101 % Slightly better value.
+13%
User Rating
UBM User Rating
74 % Slightly more popular.
+14%
65 %
Price
Price (score)
$239 $162 Much cheaper.
+32%
Age
Newest
56 Months 33 Months Much more recent.
+41%
DQ Read
Peak 4K-64Thread Read Speed
388 MB/s Slightly faster peak deep queue read.
+10%
352 MB/s
DQ Write
Peak 4K-64Thread Write Speed
354 MB/s Slightly faster peak deep queue write.
+8%
327 MB/s
AS-SSD Total
AS-SSD Total Score
1,275 Pts Slightly stronger server IO.
+11%
1,152 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
362 MB/s Slightly faster peak deep queue mixed IO.
+10%
330 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
343 MB/s Slightly faster deep queue read.
+12%
306 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
303 MB/s Slightly faster deep queue write.
+8%
280 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
305 MB/s Slightly faster deep queue mixed IO.
+10%
278 MB/s
Capacity
Capacity
512GB 525GB
Solid State Drive Rankings (Price vs Performance) March 2019 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 - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $370Samsung 850 Evo 250GB $75
AMD Ryzen 5 1600 $122Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $105
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $716SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $110SanDisk Ultra Fit 32GB $12
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