SamsungMZ-7KE512BW
CrucialCT275MX300SSD4

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

VS
About

Release date ≈ Q3 2016.

Real World Speed
Performance profile from 45,115 user samples
35,197 User Benchmarks
Best Bench: 125% 477GB free
Worst Bench: 68% 370GB free (System drive)
Poor: 68% Great: 125%
SPEED RANK: 194th / 1011
9,918 User Benchmarks
Best Bench: 94% 256GB free
Worst Bench: 60% 194GB free (System drive)
Poor: 60% Great: 94%
SPEED RANK: 410th / 1011
Effective Speed
Effective SSD Speed
104 % Faster effective speed.
+29%
80.6 %
Read
Avg. Sequential Read Speed
474 MB/s Slightly faster read speed.
+9%
433 MB/s
Write
Avg. Sequential Write Speed
407 MB/s Slightly faster write speed.
+6%
385 MB/s
4K Read
Avg. 4K Random Read Speed
33.6 MB/s Much faster random read.
+39%
24.2 MB/s
4K Write
Avg. 4K Random Write Speed
92 MB/s +5% 87.8 MB/s
Mixed
Avg. Sequential Mixed IO Speed
350 MB/s +3% 341 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
44.8 MB/s Much faster random mixed IO.
+31%
34.1 MB/s
SusWrite
Avg. Sustained Write Speed
367 MB/s Much faster sustained write speed.
+65%
222 MB/s
Read
Peak Sequential Read Speed
516 MB/s Slightly faster peak read speed.
+9%
473 MB/s
Write
Peak Sequential Write Speed
489 MB/s +3% 476 MB/s
4K Read
Peak 4K Random Read Speed
43.3 MB/s Much faster peak random read.
+52%
28.4 MB/s
4K Write
Peak 4K Random Write Speed
128 MB/s Slightly faster peak random write.
+9%
117 MB/s
Mixed
Peak Sequential Mixed IO Speed
402 MB/s +0% 400 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
58.6 MB/s Much faster peak random mixed IO.
+40%
41.8 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
486 MB/s Hugely faster peak sustained write speed.
+81%
268 MB/s
Market Share
Based on 16,734,081 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.22 % Hugely higher market share.
+450%
0.04 %
Value
Value For Money
12 % 18 % Much better value.
+50%
User Rating
UBM User Rating
73 % Much more popular.
+40%
52 %
Price
Price (score)
$239 $53 Much cheaper.
+78%
Age
Newest
61 Months 36+ Months Much more recent.
+41%
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s Much faster peak deep queue read.
+64%
237 MB/s
DQ Write
Peak 4K-64Thread Write Speed
358 MB/s Slightly faster peak deep queue write.
+10%
325 MB/s
AS-SSD Total
AS-SSD Total Score
1,281 Pts Much stronger server IO.
+32%
973 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
363 MB/s Faster peak deep queue mixed IO.
+19%
306 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
337 MB/s Much faster deep queue read.
+52%
222 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
293 MB/s Slightly faster deep queue write.
+10%
267 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
295 MB/s Slightly faster deep queue mixed IO.
+12%
264 MB/s
Capacity
Capacity
512GB 275GB
Solid State Drive Rankings (Price vs Performance) August 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
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
Intel Core i5-9600K $230Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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