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 30,315 user samples
16,400 User Benchmarks
Best Bench: 122% 195GB free
Worst Bench: 69% 39GB free
Poor: 69% Great: 122%
SPEED RANK: 60th / 873
13,915 User Benchmarks
Best Bench: 84% 161GB free
Worst Bench: 49% 358GB free
Poor: 49% Great: 84%
SPEED RANK: 369th / 873
Effective Speed
Effective SSD Speed
99.7 % Much faster effective speed.
+46%
68.3 % -46%
Read
Avg. Sequential Read Speed
503 MB/s Slightly faster read speed.
+7%
469 MB/s -7%
Write
Avg. Sequential Write Speed
446 MB/s Much faster write speed.
+63%
274 MB/s -63%
4K Read
Avg. 4K Random Read Speed
31.9 MB/s Faster random read.
+17%
27.3 MB/s -17%
4K Write
Avg. 4K Random Write Speed
86.4 MB/s Much faster random write.
+73%
49.8 MB/s -73%
Mixed
Avg. Sequential Mixed IO Speed
468 MB/s Much faster mixed IO speed.
+75%
267 MB/s -75%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.7 MB/s Hugely faster random mixed IO.
+140%
14.9 MB/s -140%
Read
Peak Sequential Read Speed
528 MB/s Slightly faster peak read speed.
+5%
501 MB/s -5%
Write
Peak Sequential Write Speed
503 MB/s Much faster peak write speed.
+44%
349 MB/s -44%
4K Read
Peak 4K Random Read Speed
43.4 MB/s Faster peak random read.
+19%
36.6 MB/s -19%
4K Write
Peak 4K Random Write Speed
125 MB/s Much faster peak random write.
+57%
79.4 MB/s -57%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+53%
337 MB/s -53%
4K Mixed
Peak 4K Random Mixed IO Speed
53.6 MB/s Hugely faster peak random mixed IO.
+153%
21.2 MB/s -153%
Market Share
Based on 5,230,364 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.5 % Hugely higher market share.
+100%
0.25 % -100%
Value
Value For Money
97.5 % Slightly better value.
+11%
87.9 % -11%
User Rating
UBM User Rating
74 % More popular.
+17%
63 % -17%
Price
Price (score)
$200 -35% $130 Much cheaper.
+35%
Age
Newest
42 Months -5% 40 Months +5%
DQ Read
Peak 4K-64Thread Read Speed
379 MB/s +4% 366 MB/s -4%
DQ Write
Peak 4K-64Thread Write Speed
342 MB/s Much faster peak deep queue write.
+63%
210 MB/s -63%
AS-SSD Total
AS-SSD Total Score
1,251 Pts Stronger server IO.
+23%
1,014 Pts -23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
169 MB/s Hugely faster peak deep queue mixed IO.
+245%
49 MB/s -245%
ADQ Read
Avg. 4K-64Thread Read Speed
206 MB/s Slightly faster deep queue read.
+5%
196 MB/s -5%
ADQ Write
Avg. 4K-64Thread Write Speed
228 MB/s Much faster deep queue write.
+63%
140 MB/s -63%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
96.3 MB/s Hugely faster deep queue mixed IO.
+220%
30.1 MB/s -220%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) January 2018 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 $280Nvidia GTX 1070 $430Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $65
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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