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 53,794 user samples
25,891 User Benchmarks
Best Bench: 126% 300GB free
Worst Bench: 78% 53GB free (System drive)
Poor: 78% Great: 126%
SPEED RANK: 139th / 959
27,903 User Benchmarks
Best Bench: 100% 262GB free
Worst Bench: 64% 347GB free (System drive)
Poor: 64% Great: 100%
SPEED RANK: 233rd / 959
Effective Speed
Effective SSD Speed
105 % Faster effective speed.
+21%
87.2 %
Read
Avg. Sequential Read Speed
473 MB/s Faster read speed.
+18%
400 MB/s
Write
Avg. Sequential Write Speed
406 MB/s +0% 404 MB/s
4K Read
Avg. 4K Random Read Speed
34.2 MB/s Much faster random read.
+40%
24.4 MB/s
4K Write
Avg. 4K Random Write Speed
95.4 MB/s +5% 91 MB/s
Mixed
Avg. Sequential Mixed IO Speed
351 MB/s +0% 350 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
45.9 MB/s Faster random mixed IO.
+28%
35.9 MB/s
SusWrite
Avg. Sustained Write Speed
357 MB/s Faster sustained write speed.
+23%
291 MB/s
Read
Peak Sequential Read Speed
515 MB/s Faster peak read speed.
+18%
436 MB/s
Write
Peak Sequential Write Speed
487 MB/s +1% 480 MB/s
4K Read
Peak 4K Random Read Speed
43.7 MB/s Much faster peak random read.
+53%
28.5 MB/s
4K Write
Peak 4K Random Write Speed
131 MB/s Slightly faster peak random write.
+7%
122 MB/s
Mixed
Peak Sequential Mixed IO Speed
399 MB/s +3% 389 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
59.7 MB/s Much faster peak random mixed IO.
+39%
43 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
485 MB/s Much faster peak sustained write speed.
+47%
330 MB/s
Market Share
Based on 9,117,614 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.24 % 0.63 % Hugely higher market share.
+162%
Value
Value For Money
87.2 % 128 % Much better value.
+47%
User Rating
UBM User Rating
72 % Slightly more popular.
+12%
64 %
Price
Price (score)
$249 $119 Much cheaper.
+52%
Age
Newest
51 Months 28 Months Much more recent.
+45%
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
353 MB/s Slightly faster peak deep queue write.
+8%
328 MB/s
AS-SSD Total
AS-SSD Total Score
1,278 Pts Slightly stronger server IO.
+11%
1,151 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
361 MB/s Slightly faster peak deep queue mixed IO.
+9%
331 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
350 MB/s Slightly faster deep queue read.
+14%
308 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
307 MB/s Slightly faster deep queue write.
+10%
279 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
309 MB/s Slightly faster deep queue mixed IO.
+12%
277 MB/s
Capacity
Capacity
512GB 525GB
Solid State Drive Rankings (Price vs Performance) October 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 - 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 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $157SanDisk Ultra Fit 32GB $12
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