Average Bench: 74.2% (554th of 1040)

Based on 618 user benchmarks.  Model: SanDisk SD7SN3Q256G1002

Good average bench

The SanDisk X300s SATA M.2 256GB averaged 25.7% 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-64Thread Mixed IO Speed 95.6MB/s
Avg. 4K Random Read Speed 23.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SanDisk X300s SATA M.2 256GB is 42.6%. 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. Sequential Mixed IO Speed 277MB/s
Avg. Sustained Write Speed 296MB/s
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Average Bench

(Based on 618 samples)
Min Avg Max
363 Read 426 476
226 Write 348 423
163 Mixed 277 404
118 SusWrite 296 413
75.5% 337 MB/s
Min Avg Max
12.8 4K Read 23.7 31.7
23.6 4K Write 52.8 94.5
10.3 4K Mixed 22.8 35.1
93% 33.1 MB/s
Min Avg Max
21.1 DQ Read 232 348
55.4 DQ Write 205 304
10.4 DQ Mixed 95.6 153
105% 177 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
89GB free
Firmware: X2170002
SusWrite @10s intervals: 308 393 413 418 416 422 MB/s
Read 460
Write 395
Mixed 253
SusWrite 395
84% 376 MB/s
4K Read 30.3
4K Write 83.8
4K Mixed 34.2
134% 49.4 MB/s
DQ Read 341
DQ Write 292
DQ Mixed 152
159% 262 MB/s
90GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 296 275 285 276 272 265 MB/s
Read 482
Write 380
Mixed 254
SusWrite 278
78% 349 MB/s
4K Read 28.5
4K Write 86.3
4K Mixed 35.8
135% 50.2 MB/s
DQ Read 344
DQ Write 288
DQ Mixed 148
157% 260 MB/s
177GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 289 335 361 382 401 398 MB/s
Read 454
Write 409
Mixed 242
SusWrite 361
82% 366 MB/s
4K Read 25.1
4K Write 49.6
4K Mixed 27.7
100% 34.1 MB/s
DQ Read 226
DQ Write 306
DQ Mixed 153
147% 229 MB/s
47GB free
Firmware: X2170002
SusWrite @10s intervals: 359 358 368 353 344 308 MB/s
Read 397
Write 361
Mixed 241
SusWrite 348
76% 337 MB/s
4K Read 22.7
4K Write 42
4K Mixed 25.3
89% 30 MB/s
DQ Read 224
DQ Write 186
DQ Mixed 138
122% 182 MB/s
162GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 347 253 331 352 372 354 MB/s
Read 411
Write 378
Mixed 267
SusWrite 335
78% 348 MB/s
4K Read 17.2
4K Write 34.7
4K Mixed 17.3
67% 23.1 MB/s
DQ Read 254
DQ Write 236
DQ Mixed 151
139% 214 MB/s
173GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 306 308 310 301 307 311 MB/s
Read 359
Write 328
Mixed 249
SusWrite 307
70% 311 MB/s
4K Read 11.8
4K Write 30.9
4K Mixed 14.9
53% 19.2 MB/s
DQ Read 319
DQ Write 292
DQ Mixed 145
153% 252 MB/s
128GB free (System drive)
Firmware: X2170002
SusWrite @10s intervals: 257 272 321 315 355 351 MB/s
Read 380
Write 338
Mixed 202
SusWrite 312
69% 308 MB/s
4K Read 11.8
4K Write 24
4K Mixed 14.3
49% 16.7 MB/s
DQ Read 264
DQ Write 209
DQ Mixed 151
137% 208 MB/s
618 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,917,809 SSDs tested.

Typical X300s SATA M.2 256GB Builds (Compare 208 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 45%
Speed boat
Workstation
Workstation 5%
Tree trunk

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) December 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

1040 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 i5-9600K $190Nvidia RTX 3070 $500Crucial MX500 250GB $34
Intel Core i5-9400F $165Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $44
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $64SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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