Adata

SU900 256GB

SU900 256GB
BENCHMARKS (1,844)
MKT (0%)
BUILDS
(0)

Effective Speed -15%Effective Speed -15%Average Score -16%Read 3%, Write -11%, 4K Read -23%, 4K Write -24%, Mixed -23%, 4K Mixed -21%, SusWrite -15%Peak Score -5%Read 1%, Write -2%, 4K Read -30%, 4K Write -7%, Mixed 3%, 4K Mixed -18%, SusWrite 20%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -10%DQ Read -4%, DQ Write -1%, DQ Mixed -14%, ADQ Read -16%, ADQ Write -19%, ADQ Mixed -34%, Age 10%, AS-SSD Total -4%

Average Bench: 85.7% (393^rd of 1072)

Based on 1,844 user benchmarks. Model: ADATA SU900

Poor: 53%Average: 85.7% Great: 112%

Popular builds with this SSD

Very good average bench

The Adata SU900 256GB averaged just 14.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata SU900 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 194MB/s

Avg. 4K Random Mixed IO Speed 37.3MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SU900 256GB is 59.1%. This is a relatively wide range which indicates that the Adata SU900 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 258MB/s

Avg. Sequential Mixed IO Speed 291MB/s

Average Bench

(Based on 1,844 samples)

Rank 39385.7%

Min	Avg	Max
370	Read 469	514
89	Write 364	474
32.8	Mixed 291	434
66.1	SusWrite 258	463
77.3% 346 MB/s

Min	Avg	Max
19.7	4K Read 27.8	33
15.2	4K Write 70.8	114
18.5	4K Mixed 37.3	49.3
127% 45.3 MB/s

Min	Avg	Max
115	DQ Read 281	354
57.9	DQ Write 243	354
38.5	DQ Mixed 194	291
164% 239 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

ROU-User, 2 months ago.

151GB free (System drive)

Firmware: Q1018HD

SusWrite @10s intervals: 455 462 467 472 473 473 MB/s

117% Outstanding

Write 472

Mixed 431

SusWrite 467

106% 471 MB/s

4K Read 32.4

4K Write 110

4K Mixed 48.5

169% 63.5 MB/s

DQ Read 351

DQ Write 359

DQ Mixed 295

238% 335 MB/s

BGR-User, 6 days ago.

233GB free

Firmware: Q0125A

SusWrite @10s intervals: 452 467 472 469 473 470 MB/s

104% Outstanding

Write 466

Mixed 437

SusWrite 467

106% 468 MB/s

4K Read 28.3

4K Write 71.2

4K Mixed 39.5

131% 46.3 MB/s

DQ Read 292

DQ Write 351

DQ Mixed 269

218% 304 MB/s

POL-User, 20 days ago.

27GB free

Firmware: Q0125A

SusWrite @10s intervals: 138 75 59 62 75 58 MB/s

82.9% Excellent

Write 311

Mixed 22.6

SusWrite 77.9

50% 228 MB/s

4K Read 32.3

4K Write 92.6

4K Mixed 46

157% 57 MB/s

DQ Read 292

DQ Write 123

DQ Mixed 115

109% 176 MB/s

POL-User, 29 days ago.

27GB free

Firmware: Q0125A

SusWrite @10s intervals: 74 77 87 81 75 76 MB/s

63.7% Good

Write 44.7

Mixed 37.9

SusWrite 78.3

38% 181 MB/s

4K Read 35.8

4K Write 15

4K Mixed 24.8

94% 25.2 MB/s

DQ Read 291

DQ Write 54.9

DQ Mixed 30

59% 125 MB/s

POL-User, 2 months ago.

49GB free (System drive)

Firmware: Q0710B

SusWrite @10s intervals: 213 69 76 71 71 54 MB/s

62.8% Good

Write 475

Mixed 429

SusWrite 92.1

84% 377 MB/s

4K Read 30.2

4K Write 47.2

4K Mixed 21

98% 32.8 MB/s

DQ Read 269

DQ Write 73.3

DQ Mixed 189

135% 177 MB/s

USA-User, 1 month ago.

53GB free

Firmware: P1026A

SusWrite @10s intervals: 127 80 74 74 74 74 MB/s

62.1% Good

Write 227

Mixed 27.4

SusWrite 83.9

43% 198 MB/s

4K Read 24.5

4K Write 16.8

4K Mixed 27

81% 22.8 MB/s

DQ Read 284

DQ Write 316

DQ Mixed 31.6

98% 210 MB/s

KOR-User, 1 month ago.

55GB free (System drive)

Firmware: Q0710B

SusWrite @10s intervals: 121 52 70 53 71 53 MB/s

53.3% Above average

Write 410

Mixed 32.2

SusWrite 69.9

52% 234 MB/s

4K Read 22.7

4K Write 14.3

4K Mixed 24

73% 20.3 MB/s

DQ Read 276

DQ Write 135

DQ Mixed 155

129% 189 MB/s

1,844 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,717,310 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 SU900 256GB Builds (Compare 7,293 builds) See popular component choices, score breakdowns and rankings

Gaming 70%

Battle cruiser

Desktop 80%

Battleship

Workstation 64%

Destroyer

Motherboard: MSI B450 Tomahawk - $130

CPU
Ryzen 5 2600AMD $155Bench 73%, 179,588 samples	1,751x
Ryzen 5 3600AMD $83Bench 83%, 1,072,639 samples	1,088x
Ryzen 7 2700XAMD $210Bench 76%, 159,077 samples	857x

GPU
RTX 2060Nvidia $324Bench 90%, 645,160 samples	561x
RX 580AMD $130Bench 52%, 360,351 samples	475x
RTX 2070Nvidia $200Bench 104%, 478,117 samples	338x

SSD
SU900 256GBAdataBench 86%, 1,844 samples	1x

RAM
Vengeance LPX DDR4 3000 C15 2x8GBCorsair $43Bench 82%, 606,405 samples	658x
Vengeance LPX DDR4 3200 C16 2x8GBCorsair $45Bench 85%, 653,654 samples	426x
Ripjaws V DDR4 3200 C16 2x8GBG.SKILL $36Bench 84%, 287,720 samples	246x

EDIT WITH CUSTOM PC BUILDER

Value: 79% - Very good

Total price: $652

Popular SU900 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

Desktop

ProGaming

CPU

GPU

SSD

HDD

RAM

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 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	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

SU900 256GB

Average Bench: 85.7% (393^rd of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: MSI B450 Tomahawk - $130

Popular SU900 256GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Adata

SU900 256GB

Average Bench: 85.7% (393rd of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: MSI B450 Tomahawk - $130

Popular SU900 256GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 85.7% (393^rd of 1072)