Average Bench: 81.7% (173rd of 857)

Based on 4,176 user benchmarks.  Models: Samsung SSD 840 EVO, Samsung SSD 840 EVO 1TB, Samsung SSD 840

Very good average bench

The Samsung 840 Evo 1TB averaged just 18.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 840 Evo 1TB near the top of the comparison list.


Avg. 4K Random Read Speed 36.5MB/s
Avg. Sequential Read Speed 490MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Evo 1TB is 38.8%. This is a relatively wide range which indicates that the Samsung 840 Evo 1TB performs inconsistently under varying real world conditions.


Avg. Sequential Write Speed 317MB/s
Avg. 4K-64Thread Write Speed 165MB/s

Average Bench

(Based on 4,176 samples)
Min Avg Max
373 Read 490 511
114 Write 317 352
186 Mixed 332 360
84.1% 380 MB/s
Min Avg Max
25.3 4K Read 36.5 46.4
29.6 4K Write 57.6 85.7
14.3 4K Mixed 23.2 31.1
116% 39.1 MB/s
Min Avg Max
32.6 DQ Read 219 369
47.2 DQ Write 165 241
14.3 DQ Mixed 64.4 107
82.8% 149 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
382GB free
Firmware: EXT0DB6Q Max speed: SATA 3.0 600 MB/s
Read 507
Write 352
Mixed 351
89% 403 MB/s
4K Read 45.8
4K Write 80.9
4K Mixed 27.6
148% 51.4 MB/s
DQ Read 303
DQ Write 218
DQ Mixed 88.2
113% 203 MB/s
126GB free
Firmware: EXT0DB6Q Max speed: SATA 3.0 600 MB/s
Read 509
Write 352
Mixed 355
90% 405 MB/s
4K Read 42
4K Write 69.6
4K Mixed 29
138% 46.9 MB/s
DQ Read 188
DQ Write 109
DQ Mixed 80.3
78% 126 MB/s
4,176 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,541,596 SSDs tested.


OutletPCUS $507.041 day ago.
AmazonUS $599.241 month ago.
EbayUS $619.951 min ago.
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Typical 840 Evo 1TB Builds (Compare 3,169 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 77%
Workstation 74%

Motherboard: Asus RAMPAGE V EXTREME - $344

EDIT WITH CUSTOM PC BUILDER Value: 70% - Very good Total price: $1,941

Popular 840 Evo 1TB compatible motherboards:

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.
Solid State Drive Rankings (Price vs Performance) August 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]


Controller: Samsung 3 Core MEX. Memory: Samsung 19nm Toggle Mode TLC.

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857 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-7700K $300Nvidia GTX 1070 $367Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $280AMD RX 480 $390Samsung 850 Pro 256GB $120
Intel Core i5-7600K $212Nvidia GTX 1060-6GB $280Samsung 850 Evo 500GB $165
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $718SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $57HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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