SanDiskSDSSDHII-480G-G25
CrucialCT525MX300SSD1

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC.

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

Real World Speed
Performance profile from 34,792 user samples
13,903 User Benchmarks
Best Bench: 84% 384GB free
Worst Bench: 50% 38GB free
Poor: 50% Great: 84%
SPEED RANK: 424th / 921
20,889 User Benchmarks
Best Bench: 85% 302GB free
Worst Bench: 56% 15GB free
Poor: 56% Great: 85%
SPEED RANK: 366th / 921
Effective Speed
Effective SSD Speed
68.2 % 71.1 % +4%
Read
Avg. Sequential Read Speed
468 MB/s +1% 463 MB/s
Write
Avg. Sequential Write Speed
277 MB/s 314 MB/s Slightly faster write speed.
+13%
4K Read
Avg. 4K Random Read Speed
27.1 MB/s Faster random read.
+19%
22.7 MB/s
4K Write
Avg. 4K Random Write Speed
49.3 MB/s 59.4 MB/s Faster random write.
+20%
Mixed
Avg. Sequential Mixed IO Speed
273 MB/s 317 MB/s Faster mixed IO speed.
+16%
4K Mixed
Avg. 4K Random Mixed IO Speed
15.1 MB/s 18.4 MB/s Faster random mixed IO.
+22%
Read
Peak Sequential Read Speed
500 MB/s +3% 486 MB/s
Write
Peak Sequential Write Speed
349 MB/s +2% 342 MB/s
4K Read
Peak 4K Random Read Speed
36.4 MB/s Much faster peak random read.
+33%
27.4 MB/s
4K Write
Peak 4K Random Write Speed
76.9 MB/s 81 MB/s Slightly faster peak random write.
+5%
Mixed
Peak Sequential Mixed IO Speed
338 MB/s 341 MB/s +1%
4K Mixed
Peak 4K Random Mixed IO Speed
21 MB/s 26 MB/s Faster peak random mixed IO.
+24%
Market Share
Based on 6,424,525 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.34 % 0.62 % Hugely higher market share.
+82%
Value
Value For Money
87.7 % 92.6 % Slightly better value.
+6%
User Rating
UBM User Rating
63 % 64 % +2%
Price
Price (score)
$130 Slightly cheaper.
+7%
$140
Age
Newest
43 Months 22 Months Much more recent.
+49%
DQ Read
Peak 4K-64Thread Read Speed
362 MB/s Slightly faster peak deep queue read.
+9%
333 MB/s
DQ Write
Peak 4K-64Thread Write Speed
208 MB/s 222 MB/s Slightly faster peak deep queue write.
+7%
AS-SSD Total
AS-SSD Total Score
1,003 Pts +5% 957 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
51.5 MB/s Slightly faster peak deep queue mixed IO.
+9%
47.1 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
187 MB/s Slightly faster deep queue read.
+13%
165 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
139 MB/s 142 MB/s +2%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.9 MB/s +1% 30.5 MB/s
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) April 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.
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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $170Nvidia GTX 1060-6GB $310Samsung 850 Evo 500GB $137
Intel Core i7-7700K $290AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $204SanDisk Ultra Fit 32GB $12
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