Average Bench: 83.8% (137th of 853)

Based on 2,400 user benchmarks.  Models: Samsung SSD 840 PRO Series, Samsung SSD 840, Samsung SSD 840 PRO Seri, Samsung SSD 840 PRO

Very good average bench

The Samsung 840 Pro 512GB averaged just 16.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 840 Pro 512GB near the top of the comparison list.

Strengths

Avg. 4K Random Read Speed 28.1MB/s
Avg. 4K Random Write Speed 77.3MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 56.6%. This is a relatively wide range which indicates that the Samsung 840 Pro 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 195MB/s
Avg. Sequential Write Speed 356MB/s
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Average Bench

(Based on 2,400 samples)
Min Avg Max
372 Read 495 524
95 Write 356 494
152 Mixed 402 511
92.8% 418 MB/s
Min Avg Max
16.9 4K Read 28.1 36.1
36.7 4K Write 77.3 117
14.2 4K Mixed 23.3 31
113% 42.9 MB/s
Min Avg Max
24.6 DQ Read 195 375
61.5 DQ Write 191 322
15.6 DQ Mixed 60.2 103
81.8% 149 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
466GB free
Firmware: DXM05B0Q Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 507
Write 501
Mixed 504
113% 504 MB/s
4K Read 36.7
4K Write 124
4K Mixed 31.4
162% 64.1 MB/s
DQ Read 362
DQ Write 305
DQ Mixed 100
139% 256 MB/s
282GB free
Firmware: DXM05B0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 509
Write 468
Mixed 508
111% 495 MB/s
4K Read 33.2
4K Write 86.1
4K Mixed 30.7
135% 50 MB/s
DQ Read 364
DQ Write 309
DQ Mixed 104
142% 259 MB/s
354GB free
Firmware: DXM06B0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 525
Write 455
Mixed 503
110% 494 MB/s
4K Read 32
4K Write 80.2
4K Mixed 27.3
126% 46.5 MB/s
DQ Read 30.8
DQ Write 263
DQ Mixed 20.6
53% 105 MB/s
142GB free
Firmware: DXM06B0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ !4KALIGNED SSD TRIM S.M.A.R.T
Read 521
Write 480
Mixed 498
112% 500 MB/s
4K Read 31.8
4K Write 103
4K Mixed 19.5
128% 51.5 MB/s
DQ Read 32.7
DQ Write 110
DQ Mixed 43.1
41% 61.8 MB/s
105GB free
Firmware: DXM05B0Q Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 472
Write 377
Mixed 437
96% 429 MB/s
4K Read 19.1
4K Write 26.1
4K Mixed 14.9
62% 20 MB/s
DQ Read 64
DQ Write 52.5
DQ Mixed 35.6
33% 50.7 MB/s
2,400 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,271,260 SSDs tested.

 Prices

OutletPCUS $354.341 hr ago.
AmazonUS $399.9929 days ago.
EbayUS $605.681 min ago.
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Typical 840 Pro 512GB Builds (Compare 5,011 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 63%
Destroyer
Desktop
Desktop 77%
Battleship
Workstation
Workstation 57%
Gunboat

Motherboard: Asus MAXIMUS VII HERO

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $1,182

Popular 840 Pro 512GB 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.

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How it works

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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Solid State Drive Rankings (Price vs Performance) July 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]

 Comments

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC.

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853 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

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The Best.
CPUGPUSSD
Intel Core i7-7700K $295Nvidia GTX 1070 $390Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $268AMD RX 480 $260Samsung 850 Pro 256GB $136
Intel Core i5-7600K $224Nvidia GTX 1060-6GB $239Samsung 850 Evo 500GB $165
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $132SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $133SanDisk Ultra Fit 32GB $13
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