Average Bench: 72.9% (550th of 1017)

Based on 532 user benchmarks.  Model: SanDisk SD7SN3Q256G1002

Good average bench

The SanDisk X300s SATA M.2 256GB averaged 27.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Read Speed 23.6MB/s
Avg. 4K-64Thread Mixed IO Speed 72.3MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SanDisk X300s SATA M.2 256GB is 40%. This is a relatively wide range which indicates that the SanDisk X300s SATA M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 295MB/s
Avg. Sequential Mixed IO Speed 311MB/s
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Average Bench

(Based on 532 samples)
Min Avg Max
364 Read 422 472
220 Write 355 427
175 Mixed 311 412
117 SusWrite 295 413
77.6% 346 MB/s
Min Avg Max
13.3 4K Read 23.6 31.4
24.3 4K Write 51.7 88.2
9.28 4K Mixed 20.6 33.7
89.5% 32 MB/s
Min Avg Max
20 DQ Read 200 346
46.6 DQ Write 190 301
9.81 DQ Mixed 72.3 152
87.9% 154 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
181GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 354 354 373 325 374 369 MB/s
Read 408
Write 296
Mixed 235
SusWrite 358
73% 324 MB/s
4K Read 24.5
4K Write 60.7
4K Mixed 28.8
106% 38 MB/s
DQ Read 338
DQ Write 262
DQ Mixed 151
153% 250 MB/s
124GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 278 296 286 282 281 275 MB/s
Read 404
Write 374
Mixed 248
SusWrite 283
73% 327 MB/s
4K Read 23.6
4K Write 44.4
4K Mixed 24.1
90% 30.7 MB/s
DQ Read 331
DQ Write 257
DQ Mixed 41.3
100% 210 MB/s
72GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 342 295 299 311 297 307 MB/s
Read 413
Write 368
Mixed 230
SusWrite 308
74% 330 MB/s
4K Read 19.7
4K Write 45.7
4K Mixed 22.7
83% 29.4 MB/s
DQ Read 311
DQ Write 253
DQ Mixed 148
147% 237 MB/s
125GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 334 329 331 338 336 354 MB/s
Read 420
Write 309
Mixed 232
SusWrite 337
73% 325 MB/s
4K Read 18.8
4K Write 46.7
4K Mixed 23.3
83% 29.6 MB/s
DQ Read 178
DQ Write 175
DQ Mixed 144
117% 166 MB/s
532 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 22,660,817 SSDs tested.

Typical X300s SATA M.2 256GB Builds (Compare 654 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 18%
Surfboard

System: Asus UX305FA

EDIT WITH CUSTOM PC BUILDER

Popular X300s SATA M.2 256GB systems:

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) February 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

1017 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 i5-9400F $150Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $210Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356AMD RX 590 $185Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $683SanDisk Extreme 16GB $24
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