Average Bench: 76.6% (542nd of 1072)

Based on 6,726 user benchmarks.  Models: ADATA SX900, ADATA SX 900, ADAT SX900, ADATA SSD SX900 256GB-, ADATA SSD SX900 256GB-DL2-TCG

The SX900 and SX910 are both Sandforce 2881 based SSDs from Adata. The only difference between them is their warranty period: 5 years for the SX910 vs 3 years for the SX900. Both drives utilize Intel-Micron 25Nm MLC so the differences must be at a "sub-atomic" level, or at least beyond the scope of the specs. Once again as with all Sandforce 2881 based drives performance is skewed in favour of reads over writes. With a peak sequential read of 510 MB/s and corresponding sequential write of 309 MB/s the SX series does not break any records but, like all SSDs, they do offer speeds way in excess of mechanical hard drives. Overall performance lags the SSD group leaders by around 40% and there are far faster, cheaper and newer (non-Sandforce) alternatives such as the Samsung 840 Evo or the Sandisk Ultra Plus available. [Jan '14 SSDrivePro]

Good average bench

The Adata XPG SX900 256GB averaged 23.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata XPG SX900 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 194MB/s
Avg. 4K Random Mixed IO Speed 35.2MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Adata XPG SX900 256GB is 32.2%. This is a relatively narrow range which indicates that the Adata XPG SX900 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 190MB/s
Avg. Sequential Write Speed 256MB/s
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Average Bench

(Based on 6,726 samples)
Min Avg Max
300 Read 368 423
193 Write 256 298
220 Mixed 270 302
129 SusWrite 190 236
60.6% 271 MB/s
Min Avg Max
19.1 4K Read 28.3 34.7
39.6 4K Write 79.7 111
23.1 4K Mixed 35.2 43.3
130% 47.8 MB/s
Min Avg Max
170 DQ Read 245 298
124 DQ Write 219 264
111 DQ Mixed 194 256
156% 219 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
73GB free
Firmware: 5.8.2
SusWrite @10s intervals: 203 194 201 195 193 199 MB/s
Read 351
Write 270
Mixed 280
SusWrite 197
62% 275 MB/s
4K Read 30.5
4K Write 97.6
4K Mixed 38.8
148% 55.6 MB/s
DQ Read 266
DQ Write 250
DQ Mixed 221
176% 246 MB/s
68GB free (System drive)
Firmware: 5.0.7a
SusWrite @10s intervals: 183 232 193 184 189 194 MB/s
Read 377
Write 276
Mixed 262
SusWrite 196
62% 278 MB/s
4K Read 25.7
4K Write 82.1
4K Mixed 38.4
132% 48.7 MB/s
DQ Read 285
DQ Write 215
DQ Mixed 146
137% 215 MB/s
70GB free
Firmware: 5.6.0
SusWrite @10s intervals: 243 224 221 207 219 216 MB/s
Read 370
Write 267
Mixed 297
SusWrite 222
65% 289 MB/s
4K Read 24.8
4K Write 68.8
4K Mixed 36.8
121% 43.5 MB/s
DQ Read 268
DQ Write 257
DQ Mixed 235
184% 253 MB/s
89GB free
Firmware: 5.8.2
SusWrite @10s intervals: 126 173 115 134 151 213 MB/s
Read 379
Write 278
Mixed 293
SusWrite 152
62% 276 MB/s
4K Read 28.4
4K Write 36.5
4K Mixed 28.1
98% 31 MB/s
DQ Read 266
DQ Write 116
DQ Mixed 220
155% 201 MB/s
6,726 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,870,998 SSDs tested

 Prices

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MSRP ≈ $188 @ launch in Mar '12
AmazonUS $1646 years
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Typical XPG SX900 256GB Builds (Compare 1,940 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 41%
Speed boat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 32%
Sail boat

Motherboard: Gigabyte GA-Z77-DS3H - $280

EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $696

Popular XPG SX900 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.

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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
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  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) May 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.

 Comments

Controller: LSI SandForce SF2281VB1-SDC. Flash Memory: Intel Micron Synchronous 25nm MLC

Breaking through the limits...

Added 10 years ago.

Good

7 years ago.

Not stable, numerous crashes (Win7x64Pro), failure to write crash dumps, etc. Customer support very poor as well.


Below average

10 years ago.

Review  tweakers.net/...

Image  tweakers.net/...
Jan '13 AS SSD Benchmark Scores

Jan '13 AS SSD Benchmark Scores


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opinion?
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

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The Best.
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Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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