SamsungMZ-7KE512BW
CrucialCT525MX300SSD1

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC.

Real World Speed
Performance profile from 12,885 user samples
7,980 User Benchmarks
Best Bench: 123% 414GB free
Worst Bench: 69% 239GB free
Poor: 69% Great: 123%
SPEED RANK: 50th / 848
4,905 User Benchmarks
Best Bench: 87% 207GB free
Worst Bench: 51% 110GB free
Poor: 51% Great: 87%
SPEED RANK: 294th / 848
Effective Speed
Effective SSD Speed
98.7 % Much faster effective speed.
+39%
71.1 % -39%
Read
Avg. Sequential Read Speed
502 MB/s Slightly faster read speed.
+9%
461 MB/s -9%
Write
Avg. Sequential Write Speed
446 MB/s Much faster write speed.
+44%
310 MB/s -44%
4K Read
Avg. 4K Random Read Speed
31.9 MB/s Much faster random read.
+38%
23.1 MB/s -38%
4K Write
Avg. 4K Random Write Speed
87.3 MB/s Much faster random write.
+43%
61 MB/s -43%
Mixed
Avg. Sequential Mixed IO Speed
467 MB/s Much faster mixed IO speed.
+47%
317 MB/s -47%
4K Mixed
Avg. 4K Random Mixed IO Speed
34.4 MB/s Hugely faster random mixed IO.
+90%
18.1 MB/s -90%
Read
Peak Sequential Read Speed
528 MB/s Slightly faster peak read speed.
+9%
485 MB/s -9%
Write
Peak Sequential Write Speed
502 MB/s Much faster peak write speed.
+46%
343 MB/s -46%
4K Read
Peak 4K Random Read Speed
39.8 MB/s Much faster peak random read.
+43%
27.9 MB/s -43%
4K Write
Peak 4K Random Write Speed
127 MB/s Much faster peak random write.
+47%
86.4 MB/s -47%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+51%
341 MB/s -51%
4K Mixed
Peak 4K Random Mixed IO Speed
50.2 MB/s Hugely faster peak random mixed IO.
+92%
26.1 MB/s -92%
Market Share
Based on 2,574,185 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.9 % -22% 1.1 % Higher market share.
+22%
Value
Value For Money
84.5 % -4% 87.9 % +4%
User Rating
UBM User Rating
69 % More popular.
+19%
58 % -19%
Price
Price (score)
$239 -37% $150 Much cheaper.
+37%
Age
Newest
33 Months -70% 10 Months Much more recent.
+70%
DQ Read
Peak 4K-64Thread Read Speed
380 MB/s Slightly faster peak deep queue read.
+12%
340 MB/s -12%
DQ Write
Peak 4K-64Thread Write Speed
344 MB/s Much faster peak deep queue write.
+52%
227 MB/s -52%
AS-SSD Total
AS-SSD Total Score
1,249 Pts Stronger server IO.
+28%
979 Pts -28%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
171 MB/s Hugely faster peak deep queue mixed IO.
+263%
47.1 MB/s -263%
ADQ Read
Avg. 4K-64Thread Read Speed
194 MB/s Faster deep queue read.
+18%
165 MB/s -18%
ADQ Write
Avg. 4K-64Thread Write Speed
222 MB/s Much faster deep queue write.
+51%
147 MB/s -51%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
91.5 MB/s Hugely faster deep queue mixed IO.
+212%
29.3 MB/s -212%
Capacity
Capacity
512GB 525GB
Solid State Drive Rankings (Price vs Performance) April 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 $310Nvidia GTX 1070 $330Samsung 850 Evo 250GB $106
Intel Pentium G4560 $60AMD RX 480 $220Samsung 850 Pro 256GB $140
Intel Core i5-7600K $229Nvidia GTX 1060-6GB $219Samsung 850 Evo 500GB $170
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 32GB $22
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 64GB $35
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $115SanDisk Ultra Fit 32GB $9
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