SamsungMZ-7KE512BW
SanDiskSDSSDXPS-480G-G25

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

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC.

Real World Speed
Performance profile from 11,513 user samples
10,205 User Benchmarks
Best Bench: 124% 421GB free
Worst Bench: 72% 250GB free
Poor: 72% Great: 124%
SPEED RANK: 51st / 850
1,308 User Benchmarks
Best Bench: 110% 187GB free
Worst Bench: 65% 318GB free
Poor: 65% Great: 110%
SPEED RANK: 79th / 850
Effective Speed
Effective SSD Speed
101 % Slightly faster effective speed.
+13%
89.5 % -13%
Read
Avg. Sequential Read Speed
507 MB/s +4% 489 MB/s -4%
Write
Avg. Sequential Write Speed
453 MB/s +3% 440 MB/s -3%
4K Read
Avg. 4K Random Read Speed
32.2 MB/s Slightly faster random read.
+13%
28.6 MB/s -13%
4K Write
Avg. 4K Random Write Speed
89.3 MB/s Slightly faster random write.
+12%
79.6 MB/s -12%
Mixed
Avg. Sequential Mixed IO Speed
473 MB/s Slightly faster mixed IO speed.
+8%
440 MB/s -8%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.1 MB/s Much faster random mixed IO.
+55%
22.6 MB/s -55%
Read
Peak Sequential Read Speed
529 MB/s +2% 517 MB/s -2%
Write
Peak Sequential Write Speed
503 MB/s +1% 496 MB/s -1%
4K Read
Peak 4K Random Read Speed
40.2 MB/s Slightly faster peak random read.
+11%
36.2 MB/s -11%
4K Write
Peak 4K Random Write Speed
128 MB/s Slightly faster peak random write.
+10%
116 MB/s -10%
Mixed
Peak Sequential Mixed IO Speed
515 MB/s Slightly faster peak mixed IO speed.
+6%
486 MB/s -6%
4K Mixed
Peak 4K Random Mixed IO Speed
51.5 MB/s Much faster peak random mixed IO.
+68%
30.7 MB/s -68%
Market Share
Based on 2,858,783 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.81 % Hugely higher market share.
+800%
0.09 % -800%
Value
Value For Money
88.8 % Slightly better value.
+14%
77.9 % -14%
User Rating
UBM User Rating
72 % More popular.
+20%
60 % -20%
Price
Price (score)
$230 -5% $219 +5%
Age
Newest
34 Months +3% 35 Months -3%
DQ Read
Peak 4K-64Thread Read Speed
382 MB/s +3% 370 MB/s -3%
DQ Write
Peak 4K-64Thread Write Speed
344 MB/s Slightly faster peak deep queue write.
+6%
325 MB/s -6%
AS-SSD Total
AS-SSD Total Score
1,254 Pts +5% 1,194 Pts -5%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
173 MB/s Hugely faster peak deep queue mixed IO.
+164%
65.5 MB/s -164%
ADQ Read
Avg. 4K-64Thread Read Speed
216 MB/s Slightly faster deep queue read.
+8%
200 MB/s -8%
ADQ Write
Avg. 4K-64Thread Write Speed
234 MB/s Slightly faster deep queue write.
+9%
214 MB/s -9%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
95.3 MB/s Hugely faster deep queue mixed IO.
+110%
45.4 MB/s -110%
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 $99
Intel Core i5-7600K $229AMD RX 480 $227Samsung 850 Pro 256GB $132
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $160
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 $12
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