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Samsun

840 PRO Seri 256GB

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 92.1% (306th of 1072)

Based on 131 user benchmarks.  Model: Samsun SSD 840 PRO Seri
Poor: 62%Average: 92.1% Great: 114%

Popular builds with this SSD

Excellent average bench

The Samsun 840 PRO Seri 256GB averaged just 7.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsun 840 PRO Seri 256GB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 101MB/s
Avg. 4K Random Read Speed 32MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsun 840 PRO Seri 256GB is 51.3%. This is a relatively wide range which indicates that the Samsun 840 PRO Seri 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 260MB/s
Avg. Sequential Write Speed 339MB/s
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Average Bench

(Based on 131 samples)
Rank 30692.1%
Min Avg Max
406 Read 491 525
88.4 Write 339 492
140 Mixed 356 508
79.7 SusWrite 260 456
80.8% 362 MB/s
Min Avg Max
21.1 4K Read 32 37.5
57 4K Write 101 127
13.4 4K Mixed 28 44.7
138% 53.7 MB/s
Min Avg Max
33.4 DQ Read 311 381
87.8 DQ Write 235 322
19.9 DQ Mixed 80.6 171
113% 209 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
47GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 285 281 218 157 113 99 MB/s
86.4% Excellent
Read 475
Write 434
Mixed 286
SusWrite 192
77% 347 MB/s
4K Read 30.7
4K Write 70.3
4K Mixed 37.4
132% 46.1 MB/s
DQ Read 363
DQ Write 310
DQ Mixed 137
157% 270 MB/s
67GB free (System drive)
Firmware: DXM05B0Q
SusWrite @10s intervals: 242 204 177 180 155 145 MB/s
80.7% Excellent
Read 459
Write 341
Mixed 254
SusWrite 184
69% 309 MB/s
4K Read 26.6
4K Write 66.4
4K Mixed 32.6
117% 41.9 MB/s
DQ Read 381
DQ Write 294
DQ Mixed 131
154% 269 MB/s
15GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 110 80 75 80 99 99 MB/s
73% Very good
Read 426
Write 202
Mixed 253
SusWrite 90.5
54% 243 MB/s
4K Read 26.4
4K Write 72.9
4K Mixed 34.4
123% 44.6 MB/s
DQ Read 375
DQ Write 189
DQ Mixed 148
146% 237 MB/s
38GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 97 59 55 74 61 58 MB/s
66.6% Good
Read 360
Write 124
Mixed 221
SusWrite 67.3
42% 193 MB/s
4K Read 25.1
4K Write 75.5
4K Mixed 33.1
120% 44.6 MB/s
DQ Read 338
DQ Write 156
DQ Mixed 123
124% 205 MB/s
131 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,666,684 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical 840 PRO Seri 256GB Builds (Compare 370 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 59%
Gunboat

Motherboard: Asus X99-PRO - $320

CPU
Core i7-5820KIntel  $130Bench 77%, 101,694 samples224x
Core i7-5930KIntel  $70Bench 80%, 34,039 samples86x
Core i7-5960XIntel  $285Bench 80%, 15,468 samples25x
GPU
GTX 980-TiNvidia  $560Bench 79%, 214,030 samples39x
GTX 970Nvidia  $200Bench 49%, 834,238 samples38x
GTX 980Nvidia  $500Bench 59%, 167,107 samples26x
SSD
840 PRO Seri 256GBSamsunBench 92%, 131 samples1x
RAM
HyperX DDR4 3000 C15 4x4GBKingstonBench 90%, 4,583 samples13x
Vengeance LPX DDR4 2666 C16 4x8GBCorsair  $154Bench 85%, 8,498 samples10x
BLS8G4D240FSA.M16FA 4x8GBCrucialBench 107%, 871 samples10x
EDIT WITH CUSTOM PC BUILDER Value: 45% - Average Total price: $1,010

Popular 840 PRO Seri 256GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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 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
Solid State Drive Rankings (Price vs Performance) April 2024 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.

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Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
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vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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