Average Bench: 91.2% (273rd of 1026)

Based on 287 user benchmarks.  Model: ADATA SX850

Excellent average bench

The Adata SX850 128GB averaged just 8.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata SX850 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 145MB/s
Avg. 4K Random Mixed IO Speed 40.4MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SX850 128GB is 52%. This is a relatively wide range which indicates that the Adata SX850 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 139MB/s
Avg. Sustained Write Speed 298MB/s
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Average Bench

(Based on 287 samples)
Min Avg Max
366 Read 479 519
137 Write 388 445
188 Mixed 369 442
58.5 SusWrite 298 411
86% 383 MB/s
Min Avg Max
21.7 4K Read 29.7 38.1
39 4K Write 87.2 127
24.4 4K Mixed 40.4 51.3
143% 52.4 MB/s
Min Avg Max
32 DQ Read 139 264
77.8 DQ Write 278 353
31.3 DQ Mixed 145 237
128% 187 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
85GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 420 435 442 446 443 150 MB/s
Read 502
Write 439
Mixed 432
SusWrite 389
99% 441 MB/s
4K Read 38.4
4K Write 87.5
4K Mixed 50.2
169% 58.7 MB/s
DQ Read 256
DQ Write 280
DQ Mixed 225
181% 254 MB/s
75GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 427 439 443 448 395 80 MB/s
Read 502
Write 440
Mixed 424
SusWrite 372
98% 434 MB/s
4K Read 37.2
4K Write 90
4K Mixed 48.7
166% 58.6 MB/s
DQ Read 248
DQ Write 344
DQ Mixed 236
195% 276 MB/s
87GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 403 438 441 444 445 120 MB/s
Read 503
Write 438
Mixed 435
SusWrite 382
99% 439 MB/s
4K Read 36.8
4K Write 88.8
4K Mixed 48.6
165% 58.1 MB/s
DQ Read 265
DQ Write 279
DQ Mixed 225
182% 257 MB/s
48GB free
Firmware: Q0518BS
SusWrite @10s intervals: 417 413 411 152 111 209 MB/s
Read 519
Write 419
Mixed 394
SusWrite 286
90% 404 MB/s
4K Read 33.7
4K Write 124
4K Mixed 49.6
180% 68.9 MB/s
DQ Read 129
DQ Write 327
DQ Mixed 156
140% 204 MB/s
287 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,454,362 SSDs tested.

Typical SX850 128GB Builds (Compare 25,736 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 64%
Destroyer
Workstation
Workstation 40%
Jet ski

Motherboard: Dell OptiPlex 7010

EDIT WITH CUSTOM PC BUILDER Value: 100% - Outstanding Total price: $84

Popular SX850 128GB 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) August 2020 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

1026 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 i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $322Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $48
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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