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 16,287 user samples
10,097 User Benchmarks
Best Bench: 123% 159GB free
Worst Bench: 74% 250GB free
Poor: 74% Great: 123%
SPEED RANK: 51st / 850
6,190 User Benchmarks
Best Bench: 85% 304GB free
Worst Bench: 50% 148GB free
Poor: 50% Great: 85%
SPEED RANK: 355th / 850
Effective Speed
Effective SSD Speed
101 % Much faster effective speed.
+48%
68.1 % -48%
Read
Avg. Sequential Read Speed
507 MB/s Slightly faster read speed.
+8%
470 MB/s -8%
Write
Avg. Sequential Write Speed
456 MB/s Much faster write speed.
+68%
271 MB/s -68%
4K Read
Avg. 4K Random Read Speed
32.2 MB/s Faster random read.
+16%
27.7 MB/s -16%
4K Write
Avg. 4K Random Write Speed
88.5 MB/s Much faster random write.
+72%
51.6 MB/s -72%
Mixed
Avg. Sequential Mixed IO Speed
476 MB/s Hugely faster mixed IO speed.
+81%
263 MB/s -81%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.3 MB/s Hugely faster random mixed IO.
+145%
14.4 MB/s -145%
Read
Peak Sequential Read Speed
530 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
39.7 MB/s Slightly faster peak random read.
+8%
36.8 MB/s -8%
4K Write
Peak 4K Random Write Speed
128 MB/s Much faster peak random write.
+55%
82.8 MB/s -55%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Much faster peak mixed IO speed.
+53%
336 MB/s -53%
4K Mixed
Peak 4K Random Mixed IO Speed
51.2 MB/s Hugely faster peak random mixed IO.
+144%
21 MB/s -144%
Market Share
Based on 2,833,001 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.7 % -3% 0.72 % +3%
Value
Value For Money
98 % Better value.
+25%
78.7 % -25%
User Rating
UBM User Rating
72 % More popular.
+22%
59 % -22%
Price
Price (score)
$202 -26% $150 Cheaper.
+26%
Age
Newest
34 Months -6% 32 Months Slightly more recent.
+6%
DQ Read
Peak 4K-64Thread Read Speed
381 MB/s +4% 368 MB/s -4%
DQ Write
Peak 4K-64Thread Write Speed
343 MB/s Much faster peak deep queue write.
+64%
209 MB/s -64%
AS-SSD Total
AS-SSD Total Score
1,250 Pts Stronger server IO.
+23%
1,020 Pts -23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
172 MB/s Hugely faster peak deep queue mixed IO.
+237%
51.1 MB/s -237%
ADQ Read
Avg. 4K-64Thread Read Speed
216 MB/s Faster deep queue read.
+16%
187 MB/s -16%
ADQ Write
Avg. 4K-64Thread Write Speed
232 MB/s Much faster deep queue write.
+68%
138 MB/s -68%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
96.9 MB/s Hugely faster deep queue mixed IO.
+244%
28.2 MB/s -244%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) May 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 $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $102
Intel Core i5-7600K $240AMD RX 480 $210Samsung 850 Pro 256GB $127
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $167
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $13
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