Average Bench: 96.8% (194th of 992)

Based on 5,277 user benchmarks.  Models: Samsung SSD 840 PRO Series, Samsung SSD 840, Samsung SSD 840 PRO Seri, Samsung SSD 840 PRO

Excellent average bench

The Samsung 840 Pro 512GB averaged just 3.2% 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-64Thread Mixed IO Speed 161MB/s
Avg. 4K Random Mixed IO Speed 40.5MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 51%. This is a relatively wide range which indicates that the Samsung 840 Pro 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 319MB/s
Avg. Sustained Write Speed 337MB/s
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Average Bench

(Based on 5,277 samples)
Min Avg Max
333 Read 455 510
147 Write 365 484
229 Mixed 319 369
82.3 SusWrite 337 479
82.8% 369 MB/s
Min Avg Max
21.1 4K Read 30.4 36.5
42.8 4K Write 84.9 119
26.3 4K Mixed 40.5 50.2
143% 51.9 MB/s
Min Avg Max
194 DQ Read 342 386
131 DQ Write 279 335
82.8 DQ Mixed 161 199
162% 261 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
136GB free
Firmware: DXM0
SusWrite @10s intervals: 245 258 265 291 298 318 MB/s
Read 512
Write 418
Mixed 388
SusWrite 279
89% 399 MB/s
4K Read 35.3
4K Write 102
4K Mixed 49.6
171% 62.2 MB/s
DQ Read 378
DQ Write 308
DQ Mixed 186
182% 291 MB/s
439GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 407 425 440 449 440 430 MB/s
Read 478
Write 358
Mixed 304
SusWrite 432
88% 393 MB/s
4K Read 26.5
4K Write 50.6
4K Mixed 32.7
109% 36.6 MB/s
DQ Read 382
DQ Write 286
DQ Mixed 157
165% 275 MB/s
153GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 249 240 238 234 237 229 MB/s
Read 452
Write 243
Mixed 321
SusWrite 238
70% 313 MB/s
4K Read 30.6
4K Write 87
4K Mixed 42.6
147% 53.4 MB/s
DQ Read 378
DQ Write 292
DQ Mixed 180
177% 283 MB/s
124GB free
Firmware: 5B0Q
SusWrite @10s intervals: 169 126 153 137 153 139 MB/s
Read 466
Write 313
Mixed 331
SusWrite 146
70% 314 MB/s
4K Read 29.2
4K Write 73.8
4K Mixed 40.4
135% 47.8 MB/s
DQ Read 326
DQ Write 304
DQ Mixed 178
171% 269 MB/s
5,277 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 13,030,033 SSDs tested.

 Prices

OutletPCUS $35111 months
AmazonUS $40839 mins
EbayUS $45023 mins
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Typical 840 Pro 512GB Builds (Compare 3,697 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 115%
UFO
Desktop
Desktop 75%
Battleship
Workstation
Workstation 71%
Battleship

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $2,073

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

  • - 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.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) March 2019 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]

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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.

 Comments

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

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992 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 i7-8700K $370Nvidia GTX 1070 $370Samsung 850 Evo 250GB $75
AMD Ryzen 5 1600 $122Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $105
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $716SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $110SanDisk Ultra Fit 32GB $12
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