Average Bench: 182% (110th of 1058)

Based on 143 user benchmarks.  Model: APPLE SSD SM0256L

Outstanding average bench

The Apple SM0256L 251GB averaged 81.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Apple SM0256L 251GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 633MB/s
Avg. 4K-64Thread Read Speed 1,071MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Apple SM0256L 251GB is 108%. This is a particularly wide range which indicates that the Apple SM0256L 251GB performs inconsistently under varying real world conditions.


Avg. 4K Random Write Speed 52.4MB/s
Avg. 4K Random Mixed IO Speed 23.5MB/s

Average Bench

(Based on 143 samples)
Min Avg Max
876 Read 1,344 1,824
42.7 Write 1,008 1,442
84.2 Mixed 663 877
39.7 SusWrite 1,003 1,349
225% 1,004 MB/s
Min Avg Max
10.6 4K Read 42.6 52.2
2.5 4K Write 52.4 142
5.1 4K Mixed 23.5 35.4
122% 39.5 MB/s
Min Avg Max
590 DQ Read 1,071 1,405
384 DQ Write 433 463
581 DQ Mixed 633 705
500% 712 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
86GB free (System drive)
Firmware: CXS8DA0Q
SusWrite @10s intervals: 1156 1075 1054 1020 995 994 MB/s
Read 1,588
Write 1,233
Mixed 819
SusWrite 1,049
262% 1,172 MB/s
4K Read 30.1
4K Write 54.7
4K Mixed 33.3
117% 39.4 MB/s
DQ Read 1,236
DQ Write 413
DQ Mixed 641
521% 763 MB/s
143 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,203,239 SSDs tested.

Typical SM0256L 251GB Builds (Compare 289 builds) See popular component choices, score breakdowns and rankings.
Gaming 20%
Desktop 79%
Workstation 18%

System: Apple MacBookPro14,3


Popular SM0256L 251GB 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.
  • - 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) September 2021 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.


1058 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.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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