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Adata

SU 655 240GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 66.7% (724th of 1072)

Based on 38 user benchmarks.  Model: ADATA SU 655
Poor: 45%Average: 66.7% Great: 100%

Popular builds with this SSD

Above average average bench

The Adata SU 655 240GB averaged 33.2% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 150MB/s
Avg. 4K Random Mixed IO Speed 26.8MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SU 655 240GB is 54.3%. This is a relatively wide range which indicates that the Adata SU 655 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 127MB/s
Avg. Sequential Mixed IO Speed 251MB/s
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Average Bench

(Based on 38 samples)
Rank 72466.7%
Min Avg Max
106 Read 289 481
16.6 Write 307 461
9.7 Mixed 251 431
73.8 SusWrite 295 449
64.4% 285 MB/s
Min Avg Max
1.3 4K Read 22.6 39.1
1.6 4K Write 56.1 93.5
6.8 4K Mixed 26.8 44.5
98.3% 35.2 MB/s
Min Avg Max
75.1 DQ Read 127 187
25.4 DQ Write 191 261
2.9 DQ Mixed 150 229
116% 156 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
155GB free (System drive)
Firmware: P190
SusWrite @10s intervals: 233 210 126 162 193 162 MB/s
71.3% Very good
Read 434
Write 239
Mixed 265
SusWrite 181
62% 280 MB/s
4K Read 22.9
4K Write 91.9
4K Mixed 28.1
119% 47.6 MB/s
DQ Read 97.7
DQ Write 204
DQ Mixed 62.5
73% 121 MB/s
223GB free
Firmware: 0
SusWrite @10s intervals: 348 232 210 208 206 207 MB/s
60.1% Good
Read 345
Write 336
Mixed 330
SusWrite 235
70% 311 MB/s
4K Read 23.2
4K Write 37.2
4K Mixed 23.4
85% 27.9 MB/s
DQ Read 118
DQ Write 142
DQ Mixed 90.9
80% 117 MB/s
124GB free (System drive)
Firmware: Q083
SusWrite @10s intervals: 102 259 232 39 97 80 MB/s
51.6% Above average
Read 340
Write 300
Mixed 294
SusWrite 135
60% 267 MB/s
4K Read 20.9
4K Write 51.9
4K Mixed 14.6
78% 29.1 MB/s
DQ Read 91
DQ Write 218
DQ Mixed 26.4
57% 112 MB/s
223GB free
Firmware: V8X0
SusWrite @10s intervals: 154 145 145 155 150 168 MB/s
45.4% Average
Read 323
Write 218
Mixed 235
SusWrite 153
52% 232 MB/s
4K Read 19.2
4K Write 19.4
4K Mixed 19
64% 19.2 MB/s
DQ Read 107
DQ Write 41.9
DQ Mixed 72.7
54% 74 MB/s
38 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,802,563 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 SU 655 240GB Builds (Compare 23,359 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 78%
Battleship
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 73%
Battleship

Motherboard: Asus ROG STRIX B450-F GAMING - $135

CPU
Ryzen 5 3600AMD  $83Bench 83%, 1,072,639 samples5,022x
Ryzen 7 2700XAMD  $210Bench 76%, 159,077 samples3,184x
Ryzen 7 3700XAMD  $205Bench 86%, 635,419 samples2,954x
GPU
RTX 2060Nvidia  $324Bench 90%, 645,160 samples1,513x
RTX 2070S (Super)Nvidia  $210Bench 115%, 663,603 samples1,317x
RTX 3070Nvidia  $500Bench 148%, 619,642 samples1,309x
SSD
SU 655 240GBAdataBench 67%, 38 samples1x
RAM
Vengeance RGB PRO DDR4 3200 C16 2x8GBCorsair  $56Bench 85%, 346,786 samples1,562x
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $40Bench 85%, 653,654 samples1,520x
Vengeance LPX DDR4 3000 C15 2x8GBCorsair  $37Bench 82%, 606,405 samples962x
EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $598

Popular SU 655 240GB 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) May 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

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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 $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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