Controller: Samsung MKX. Memory: Samsung 128 layer TLC V-NAND. Release date ≈ Q1 2021.

Real World Speed
Performance profile from 16,234 user samples
3,057 User Benchmarks
Best Bench: 138% 1TB free
Worst Bench: 94% 1.5TB free
Poor: 94% Great: 138%
SPEED RANK: 179th / 1058
13,177 User Benchmarks
Best Bench: 102% 436GB free
Worst Bench: 42% 123GB free (System drive)
Poor: 42% Great: 102%
SPEED RANK: 502nd / 1058
Effective Speed
Effective SSD Speed
119 % Much faster effective speed.
78 %
Avg. Sequential Read Speed
492 MB/s Much faster read speed.
368 MB/s
Avg. Sequential Write Speed
452 MB/s Much faster write speed.
259 MB/s
4K Read
Avg. 4K Random Read Speed
42.4 MB/s Much faster random read.
29.7 MB/s
4K Write
Avg. 4K Random Write Speed
94.5 MB/s Much faster random write.
70.5 MB/s
Avg. Sequential Mixed IO Speed
428 MB/s Much faster mixed IO speed.
286 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
56.2 MB/s Much faster random mixed IO.
31.8 MB/s
Avg. Sustained Write Speed
445 MB/s Hugely faster sustained write speed.
246 MB/s
Peak Sequential Read Speed
518 MB/s Slightly faster peak read speed.
482 MB/s
Peak Sequential Write Speed
492 MB/s Faster peak write speed.
447 MB/s
4K Read
Peak 4K Random Read Speed
49.7 MB/s Faster peak random read.
39 MB/s
4K Write
Peak 4K Random Write Speed
126 MB/s Faster peak random write.
97.7 MB/s
Peak Sequential Mixed IO Speed
463 MB/s Faster peak mixed IO speed.
378 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
68.8 MB/s Much faster peak random mixed IO.
44 MB/s
Peak Sequential Sustained Write 60s Average
491 MB/s Slightly faster peak sustained write speed.
461 MB/s
Market Share
Based on 47,135,523 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.04 % 0.07 % Much higher market share.
Value For Money
32 % Better value.
28.5 %
User Rating
UBM User Rating
50 % 50 %
Price (score)
$300 $48 Hugely cheaper.
7+ Months Hugely more recent.
58+ Months
DQ Read
Peak 4K-64Thread Read Speed
388 MB/s Faster peak deep queue read.
304 MB/s
DQ Write
Peak 4K-64Thread Write Speed
363 MB/s +2% 356 MB/s
AS-SSD Total
AS-SSD Total Score
1296 Pts Stronger server IO.
1,103 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
374 MB/s Much faster peak deep queue mixed IO.
225 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
332 MB/s Much faster deep queue read.
218 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
285 MB/s Slightly faster deep queue write.
264 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
298 MB/s Hugely faster deep queue mixed IO.
159 MB/s
2TB 480GB

No DRAM [Feb '21 RavenBailiff]


Solid State Drive Rankings (Price vs Performance) September 2021 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]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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