Adata

SX850 256GB

SX850 256GB
BENCHMARKS (659)
MKT (0%)
BUILDS
(0)

Effective Speed +2% Effective Speed 2%Average Score +3% Read 6%, Write 0%, 4K Read -11%, 4K Write 1%, Mixed 8%, 4K Mixed -2%, SusWrite 20%Peak Score +3% Read 2%, Write -2%, 4K Read -5%, 4K Write -4%, Mixed 8%, 4K Mixed -1%, SusWrite 21%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -2%DQ Read 6%, DQ Write 1%, DQ Mixed -17%, ADQ Read -18%, ADQ Write -2%, ADQ Mixed -16%, Age 24%, AS-SSD Total 2%

Average Bench: 100% (252^nd of 1072)

Based on 659 user benchmarks. Model: ADATA SX850

Poor: 67%Average: 100% Great: 126%

Popular builds with this SSD

Outstanding average bench

The Adata SX850 256GB averaged 0.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata SX850 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 224MB/s

Avg. 4K Random Mixed IO Speed 44MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SX850 256GB is 59.2%. This is a relatively wide range which indicates that the Adata SX850 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 357MB/s

Avg. Sequential Mixed IO Speed 386MB/s

Average Bench

(Based on 659 samples)

Rank 252100%

Min	Avg	Max
406	Read 483	516
248	Write 407	474
252	Mixed 386	457
113	SusWrite 357	470
91.8% 408 MB/s

Min	Avg	Max
21.6	4K Read 31	40.9
45.1	4K Write 88.7	118
27.4	4K Mixed 44	57.9
150% 54.6 MB/s

Min	Avg	Max
140	DQ Read 277	390
95.8	DQ Write 284	361
89.2	DQ Mixed 224	284
184% 262 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

USA-User, 2 months ago.

46GB free

Firmware: Q0518BS

SusWrite @10s intervals: 460 460 460 456 121 236 MB/s

103% Outstanding

Write 450

Mixed 414

SusWrite 365

98% 434 MB/s

4K Read 29.1

4K Write 99.5

4K Mixed 44.1

153% 57.6 MB/s

DQ Read 225

DQ Write 359

DQ Mixed 236

195% 273 MB/s

USA-User, 2 months ago.

102GB free (System drive)

Firmware: Q0518BS

SusWrite @10s intervals: 480 481 239 235 187 101 MB/s

102% Outstanding

Write 480

Mixed 425

SusWrite 287

96% 427 MB/s

4K Read 30.5

4K Write 108

4K Mixed 46.8

164% 61.9 MB/s

DQ Read 226

DQ Write 364

DQ Mixed 237

196% 275 MB/s

USA-User, 18 days ago.

96GB free (System drive)

Firmware: Q1018HD

SusWrite @10s intervals: 452 466 470 473 316 474 MB/s

98.4% Outstanding

Write 472

Mixed 171

SusWrite 442

89% 399 MB/s

4K Read 30.1

4K Write 62.1

4K Mixed 39

128% 43.7 MB/s

DQ Read 326

DQ Write 164

DQ Mixed 232

176% 241 MB/s

USA-User, 2 month ago.

221GB free

Firmware: Q0518BS

SusWrite @10s intervals: 408 409 421 420 423 425 MB/s

93.6% Outstanding

Write 421

Mixed 386

SusWrite 418

96% 427 MB/s

4K Read 26.9

4K Write 74.5

4K Mixed 37.7

128% 46.4 MB/s

DQ Read 221

DQ Write 175

DQ Mixed 168

134% 188 MB/s

USA-User, 18 days ago.

38GB free (System drive)

Firmware: Q0518BS

SusWrite @10s intervals: 137 205 71 76 65 63 MB/s

79.2% Very good

Write 453

Mixed 403

SusWrite 103

81% 362 MB/s

4K Read 27.2

4K Write 74.9

4K Mixed 38.4

130% 46.8 MB/s

DQ Read 226

DQ Write 351

DQ Mixed 237

194% 271 MB/s

USA-User, 2 months ago.

40GB free (System drive)

Firmware: R0427ANR

SusWrite @10s intervals: 189 251 125 206 131 87 MB/s

75.9% Very good

Write 263

Mixed 302

SusWrite 164

68% 304 MB/s

4K Read 22.6

4K Write 74.3

4K Mixed 31.9

114% 42.9 MB/s

DQ Read 233

DQ Write 262

DQ Mixed 199

163% 231 MB/s

659 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,702,653 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 256GB Builds (Compare 8,942 builds) See popular component choices, score breakdowns and rankings

Gaming 44%

Speed boat

Desktop 80%

Aircraft carrier

Workstation 41%

Speed boat

Motherboard: Asrock B450M Pro4 - $79

CPU
Ryzen 5 2600AMD $155Bench 73%, 179,588 samples	1,916x
Ryzen 5 3600AMD $80Bench 83%, 1,072,639 samples	1,683x
Ryzen 5 2600XAMD $120Bench 74%, 142,983 samples	605x

GPU
RX 580AMD $130Bench 52%, 360,351 samples	720x
GTX 1660S (Super)Nvidia $233Bench 71%, 428,800 samples	499x
RX 570AMD $130Bench 45%, 473,685 samples	473x

SSD
SX850 256GBAdataBench 100%, 659 samples	1x

RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair $40Bench 85%, 653,654 samples	592x
Aegis DDR4 3000 C16 2x8GBG.SKILL $38Bench 82%, 163,634 samples	491x
Ripjaws V DDR4 3200 C16 2x8GBG.SKILL $36Bench 84%, 287,720 samples	356x

EDIT WITH CUSTOM PC BUILDER

Value: 100% - Outstanding

Total price: $404

Popular SX850 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

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ProGaming

CPU

GPU

SSD

HDD

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USB

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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $273	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Adata

SX850 256GB

Average Bench: 100% (252^nd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Asrock B450M Pro4 - $79

Popular SX850 256GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Adata

SX850 256GB

Average Bench: 100% (252nd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Asrock B450M Pro4 - $79

Popular SX850 256GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 100% (252^nd of 1072)