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 8,909 user samples
6,653 User Benchmarks
Best Bench: 124% 201GB free
Worst Bench: 71% 115GB free
Poor: 71% Great: 124%
SPEED RANK: 39th / 814
2,256 User Benchmarks
Best Bench: 87% 362GB free
Worst Bench: 50% 352GB free
Poor: 50% Great: 87%
SPEED RANK: 272nd / 814
Effective Speed
Effective SSD Speed
100 % Much faster effective speed.
+41%
71.1 % -41%
Read
Avg. Sequential Read Speed
505 MB/s Slightly faster read speed.
+11%
454 MB/s -11%
Write
Avg. Sequential Write Speed
450 MB/s Much faster write speed.
+46%
308 MB/s -46%
4K Read
Avg. 4K Random Read Speed
32 MB/s Much faster random read.
+43%
22.3 MB/s -43%
4K Write
Avg. 4K Random Write Speed
87.2 MB/s Much faster random write.
+45%
60 MB/s -45%
Mixed
Avg. Sequential Mixed IO Speed
473 MB/s Much faster mixed IO speed.
+50%
316 MB/s -50%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.2 MB/s Hugely faster random mixed IO.
+89%
18.6 MB/s -89%
Read
Peak Sequential Read Speed
528 MB/s Slightly faster peak read speed.
+9%
484 MB/s -9%
Write
Peak Sequential Write Speed
501 MB/s Much faster peak write speed.
+47%
340 MB/s -47%
4K Read
Peak 4K Random Read Speed
41.1 MB/s Much faster peak random read.
+47%
27.9 MB/s -47%
4K Write
Peak 4K Random Write Speed
127 MB/s Much faster peak random write.
+45%
87.6 MB/s -45%
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
53.5 MB/s Hugely faster peak random mixed IO.
+100%
26.7 MB/s -100%
Market Share
Based on 1,917,497 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.9 % -22% 1.1 % Higher market share.
+22%
Value
Value For Money
96.1 % -2% 97.8 % +2%
User Rating
UBM User Rating
67 % More popular.
+18%
57 % -18%
Price
Price (score)
$205 -37% $130 Much cheaper.
+37%
Age
Newest
30 Months -77% 7 Months Much more recent.
+77%
DQ Read
Peak 4K-64Thread Read Speed
382 MB/s Slightly faster peak deep queue read.
+12%
341 MB/s -12%
DQ Write
Peak 4K-64Thread Write Speed
344 MB/s Much faster peak deep queue write.
+52%
226 MB/s -52%
AS-SSD Total
AS-SSD Total Score
1,254 Pts Stronger server IO.
+28%
980 Pts -28%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
171 MB/s Hugely faster peak deep queue mixed IO.
+267%
46.6 MB/s -267%
ADQ Read
Avg. 4K-64Thread Read Speed
212 MB/s Slightly faster deep queue read.
+15%
185 MB/s -15%
ADQ Write
Avg. 4K-64Thread Write Speed
233 MB/s Much faster deep queue write.
+53%
152 MB/s -53%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
99.6 MB/s Hugely faster deep queue mixed IO.
+238%
29.5 MB/s -238%
Capacity
Capacity
512GB 525GB
Solid State Drive Rankings (Price vs Performance) January 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

 

The Best.
CPUGPUSSD
Intel Core i7-6700K $330AMD RX 480 $190Samsung 850 Evo 250GB $98
Intel Core i5-6600K $220Nvidia GTX 1070 $377Samsung 850 Pro 256GB $120
Intel Core i7-4790K $338Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $159
HDDRAMUSB
Seagate Barracuda 7200.14 1TB $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $110SanDisk Extreme 64GB $28
WD Black 6TB (2015) $270G.SKILL Trident Z DDR4 3200 C14 4x16GB $545SanDisk Extreme 32GB $23
WD Blue 1TB (2012) $50G.SKILL Trident Z DDR4 3200 C16 2x8GB $110SanDisk Extreme 16GB $18
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