Average Bench: 73.8% (525th of 1011)

Based on 693 user benchmarks.  Model: ADATA SU655

Good average bench

The Adata SU655 240GB averaged 26.2% 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 138MB/s
Avg. 4K Random Read Speed 25.6MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Adata SU655 240GB is 62.4%. This is a particularly wide range which indicates that the Adata SU655 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 145MB/s
Avg. Sustained Write Speed 261MB/s
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Average Bench

(Based on 693 samples)
Min Avg Max
315 Read 410 502
66.9 Write 323 460
27.6 Mixed 292 424
58.2 SusWrite 261 445
72% 321 MB/s
Min Avg Max
16 4K Read 25.6 41.2
15.2 4K Write 66.3 101
1.13 4K Mixed 28.3 44.5
110% 40.1 MB/s
Min Avg Max
80.3 DQ Read 145 205
22.4 DQ Write 211 322
1.2 DQ Mixed 138 234
116% 165 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
223GB free
Firmware: V8X01b10
SusWrite @10s intervals: 376 370 370 356 356 355 MB/s
Read 374
Write 340
Mixed 308
SusWrite 364
78% 346 MB/s
4K Read 25.3
4K Write 78.9
4K Mixed 33
122% 45.7 MB/s
DQ Read 106
DQ Write 238
DQ Mixed 170
130% 171 MB/s
143GB free
Firmware: V8X01b10
SusWrite @10s intervals: 351 384 383 377 379 374 MB/s
Read 369
Write 345
Mixed 319
SusWrite 375
79% 352 MB/s
4K Read 26.1
4K Write 90.7
4K Mixed 35.8
133% 50.9 MB/s
DQ Read 21.1
DQ Write 90.9
DQ Mixed 32.4
32% 48.1 MB/s
39GB free
Firmware: V8X01c45
SusWrite @10s intervals: 310 387 302 115 31 57 MB/s
Read 422
Write 372
Mixed 336
SusWrite 200
75% 333 MB/s
4K Read 25.1
4K Write 91
4K Mixed 35.4
132% 50.5 MB/s
DQ Read 136
DQ Write 236
DQ Mixed 174
135% 182 MB/s
147GB free (System drive)
Firmware: V8X01c45
SusWrite @10s intervals: 211 27 30 19 19 MB/s
Read 411
Write 387
Mixed 350
SusWrite 56.1
67% 301 MB/s
4K Read 28.5
4K Write 109
4K Mixed 40.3
152% 59.2 MB/s
DQ Read 187
DQ Write 237
DQ Mixed 200
154% 208 MB/s
77GB free (System drive)
Firmware: V8X01c45
SusWrite @10s intervals: 169 54 47 39 46 50 MB/s
Read 367
Write 362
Mixed 323
SusWrite 67.6
63% 280 MB/s
4K Read 21.1
4K Write 50.6
4K Mixed 27.6
94% 33.1 MB/s
DQ Read 170
DQ Write 237
DQ Mixed 201
153% 203 MB/s
147GB free (System drive)
Firmware: V8X01c45
SusWrite @10s intervals: 167 207 207 233 237 206 MB/s
Read 381
Write 53
Mixed 44
SusWrite 209
38% 172 MB/s
4K Read 24.3
4K Write 46.9
4K Mixed 8.8
73% 26.7 MB/s
DQ Read 174
DQ Write 4.8
DQ Mixed 20.7
32% 66.4 MB/s
693 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,849,350 SSDs tested.

Typical SU655 240GB Builds (Compare 2,081 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 53%
Yacht
Workstation
Workstation 28%
Raft

Motherboard: Asrock B75 Pro3-M - $85

EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $181

Popular SU655 240GB 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.

UserBenchmark of the month

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) December 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

1011 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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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