Average Bench: 84.9% (125th of 859)

Based on 2,889 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 15.0% 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 28.5MB/s
Avg. 4K Random Write Speed 76.8MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 58.4%. 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 202MB/s
Avg. Sequential Write Speed 363MB/s
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Average Bench

(Based on 2,889 samples)
Min Avg Max
371 Read 496 524
100 Write 363 498
158 Mixed 406 511
93.7% 422 MB/s
Min Avg Max
17.6 4K Read 28.5 36.5
35 4K Write 76.8 118
15.1 4K Mixed 23.7 31
114% 43 MB/s
Min Avg Max
23.9 DQ Read 202 373
58.6 DQ Write 197 324
15.1 DQ Mixed 60.7 104
83.8% 153 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
477GB free
Firmware: 6B0Q Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 524
Write 481
Mixed 513
113% 506 MB/s
4K Read 35.1
4K Write 105
4K Mixed 30
147% 56.7 MB/s
DQ Read 348
DQ Write 318
DQ Mixed 106
142% 257 MB/s
445GB free
Firmware: DXM04B0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 505
Write 472
Mixed 505
110% 494 MB/s
4K Read 26.3
4K Write 74.2
4K Mixed 24
110% 41.5 MB/s
DQ Read 322
DQ Write 296
DQ Mixed 21
95% 213 MB/s
238GB free
Firmware: DXM05B0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 521
Write 367
Mixed 432
98% 440 MB/s
4K Read 32.2
4K Write 86.6
4K Mixed 22.5
123% 47.1 MB/s
DQ Read 259
DQ Write 249
DQ Mixed 22.2
80% 177 MB/s
310GB free
Firmware: DXM0 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 497
Write 457
Mixed 492
108% 482 MB/s
4K Read 29.5
4K Write 72.3
4K Mixed 24.7
115% 42.2 MB/s
DQ Read 207
DQ Write 183
DQ Mixed 60.7
82% 150 MB/s
2,889 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,862,811 SSDs tested.

 Prices

OutletPCUS $354.347 hrs ago.
AmazonUS $399.993 months ago.
EbayUS $642.6510 mins ago.
Send price feedback
Typical 840 Pro 512GB Builds (Compare 5,726 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 63%
Destroyer
Desktop
Desktop 78%
Battleship
Workstation
Workstation 58%
Gunboat

Motherboard: Asus MAXIMUS VII HERO

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $1,188

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.
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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) September 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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859 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.
CPUGPUSSD
Intel Core i7-7700K $295Nvidia GTX 1070 $400Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $270AMD RX 480 $350Samsung 850 Pro 256GB $120
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $263Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $56HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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