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Adata

SX850 128GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 92.3% (303rd of 1072)

Based on 406 user benchmarks.  Model: ADATA SX850
Poor: 59%Average: 92.3% Great: 116%

Popular builds with this SSD

Excellent average bench

The Adata SX850 128GB averaged just 7.6% 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 164MB/s
Avg. 4K Random Mixed IO Speed 42.1MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SX850 128GB is 56.5%. 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 168MB/s
Avg. Sustained Write Speed 286MB/s
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Average Bench

(Based on 406 samples)
Rank 30392.3%
Min Avg Max
375 Read 480 518
135 Write 378 451
177 Mixed 365 438
55.9 SusWrite 286 412
84.5% 377 MB/s
Min Avg Max
21.3 4K Read 31.3 40.7
38.1 4K Write 87 121
24.9 4K Mixed 42.1 55.7
147% 53.5 MB/s
Min Avg Max
86 DQ Read 168 275
44.9 DQ Write 279 354
44.2 DQ Mixed 164 238
141% 204 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
38GB free (System drive)
Firmware: Q0518BS
SusWrite @10s intervals: 407 388 40 246 51 51 MB/s
94.6% Outstanding
Read 515
Write 422
Mixed 398
SusWrite 197
86% 383 MB/s
4K Read 32.5
4K Write 108
4K Mixed 46.5
166% 62.5 MB/s
DQ Read 127
DQ Write 345
DQ Mixed 157
142% 209 MB/s
27GB free (System drive)
Firmware: Q0518BS
SusWrite @10s intervals: 174 309 333 308 61 113 MB/s
75.1% Very good
Read 371
Write 344
Mixed 322
SusWrite 217
70% 314 MB/s
4K Read 28.5
4K Write 68.7
4K Mixed 38.1
128% 45.1 MB/s
DQ Read 128
DQ Write 185
DQ Mixed 154
117% 156 MB/s
11GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 117 90 67 75 89 64 MB/s
72.6% Very good
Read 492
Write 150
Mixed 213
SusWrite 83.7
51% 234 MB/s
4K Read 24.5
4K Write 96.8
4K Mixed 35.3
134% 52.2 MB/s
DQ Read 154
DQ Write 149
DQ Mixed 51.8
66% 118 MB/s
32GB free (System drive)
Firmware: Q0518BS
SusWrite @10s intervals: 143 42 39 45 36 47 MB/s
71.8% Very good
Read 493
Write 414
Mixed 378
SusWrite 58.7
75% 336 MB/s
4K Read 27.2
4K Write 78.4
4K Mixed 37.8
131% 47.8 MB/s
DQ Read 126
DQ Write 222
DQ Mixed 46.8
71% 131 MB/s
49GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 136 132 134 137 139 139 MB/s
68.7% Good
Read 352
Write 139
Mixed 185
SusWrite 136
45% 203 MB/s
4K Read 25.1
4K Write 80.1
4K Mixed 35.8
126% 47 MB/s
DQ Read 186
DQ Write 136
DQ Mixed 129
105% 150 MB/s
406 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,649,643 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 SX850 128GB Builds (Compare 11,568 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 8%
Tree trunk

Motherboard: Dell OptiPlex 7010

CPU
Core i5-3470Intel  $59Bench 63%, 223,595 samples3,911x
Core i7-3770Intel  $297Bench 69%, 278,207 samples3,530x
Core i5-3570IntelBench 65%, 104,858 samples1,606x
GPU
HD 2500 (Desktop 1.05 GHz)IntelBench 1%, 146,665 samples2,185x
GT 1030NvidiaBench 14%, 185,384 samples983x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples933x
SSD
SX850 128GBAdataBench 92%, 406 samples1x
RAM
2x8GBUnknownBench 64%, 236,291 samples226x
HMT351U6CFR8C-PB 2x4GBHynixBench 53%, 17,809 samples158x
8JTF51264AZ-1G6E1 4x4GBMicronBench 56%, 6,584 samples152x
EDIT WITH CUSTOM PC BUILDER Value: 97% - Outstanding Total price: $59

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 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.

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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
  • - 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
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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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia 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) $35Corsair 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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