SamsungMZ-7KE512BW
SanDiskSDSSDHII-480G-G25

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

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

Real World Speed
Performance profile from 18,980 user samples
11,415 User Benchmarks
Best Bench: 124% 409GB free
Worst Bench: 71% 477GB free
Poor: 71% Great: 124%
SPEED RANK: 54th / 853
7,565 User Benchmarks
Best Bench: 85% 385GB free
Worst Bench: 51% 388GB free
Poor: 51% Great: 85%
SPEED RANK: 357th / 853
Effective Speed
Effective SSD Speed
101 % Much faster effective speed.
+49%
68.1 % -49%
Read
Avg. Sequential Read Speed
506 MB/s Slightly faster read speed.
+9%
465 MB/s -9%
Write
Avg. Sequential Write Speed
445 MB/s Much faster write speed.
+61%
277 MB/s -61%
4K Read
Avg. 4K Random Read Speed
32.9 MB/s Faster random read.
+21%
27.1 MB/s -21%
4K Write
Avg. 4K Random Write Speed
89 MB/s Much faster random write.
+77%
50.2 MB/s -77%
Mixed
Avg. Sequential Mixed IO Speed
466 MB/s Much faster mixed IO speed.
+73%
269 MB/s -73%
4K Mixed
Avg. 4K Random Mixed IO Speed
36.3 MB/s Hugely faster random mixed IO.
+145%
14.8 MB/s -145%
Read
Peak Sequential Read Speed
529 MB/s Slightly faster peak read speed.
+6%
501 MB/s -6%
Write
Peak Sequential Write Speed
503 MB/s Much faster peak write speed.
+45%
348 MB/s -45%
4K Read
Peak 4K Random Read Speed
43.2 MB/s Faster peak random read.
+18%
36.5 MB/s -18%
4K Write
Peak 4K Random Write Speed
127 MB/s Much faster peak random write.
+53%
83.2 MB/s -53%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+52%
338 MB/s -52%
4K Mixed
Peak 4K Random Mixed IO Speed
53.1 MB/s Hugely faster peak random mixed IO.
+149%
21.3 MB/s -149%
Market Share
Based on 3,281,939 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.72 % Slightly higher market share.
+13%
0.64 % -13%
Value
Value For Money
101 % Better value.
+23%
82.2 % -23%
User Rating
UBM User Rating
71 % More popular.
+16%
61 % -16%
Price
Price (score)
$195 -27% $142 Cheaper.
+27%
Age
Newest
36 Months -6% 34 Months Slightly more recent.
+6%
DQ Read
Peak 4K-64Thread Read Speed
380 MB/s +3% 370 MB/s -3%
DQ Write
Peak 4K-64Thread Write Speed
344 MB/s Much faster peak deep queue write.
+63%
211 MB/s -63%
AS-SSD Total
AS-SSD Total Score
1,256 Pts Stronger server IO.
+23%
1,024 Pts -23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
171 MB/s Hugely faster peak deep queue mixed IO.
+245%
49.5 MB/s -245%
ADQ Read
Avg. 4K-64Thread Read Speed
222 MB/s Faster deep queue read.
+17%
190 MB/s -17%
ADQ Write
Avg. 4K-64Thread Write Speed
237 MB/s Much faster deep queue write.
+67%
142 MB/s -67%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
103 MB/s Hugely faster deep queue mixed IO.
+247%
29.7 MB/s -247%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) July 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 $295Nvidia GTX 1070 $390Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $268AMD RX 480 $260Samsung 850 Pro 256GB $136
Intel Core i5-7600K $238Nvidia GTX 1060-6GB $239Samsung 850 Evo 500GB $159
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $132SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $143SanDisk Ultra Fit 32GB $13
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