Average Bench: 133% (134th of 1016)

Based on 470 user benchmarks.  Model: APPLE SSD SM0128G

Outstanding average bench

The Apple SM0128G PCIe 121GB averaged 33.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Apple SM0128G PCIe 121GB near the top of the comparison list.


Avg. Sequential Read Speed 1,347MB/s
Avg. 4K-64Thread Mixed IO Speed 179MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Apple SM0128G PCIe 121GB is 91.8%. This is a particularly wide range which indicates that the Apple SM0128G PCIe 121GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 181MB/s
Avg. 4K Random Mixed IO Speed 24MB/s

Average Bench

(Based on 470 samples)
Min Avg Max
716 Read 1,347 1,855
125 Write 556 693
190 Mixed 661 927
21.6 SusWrite 514 680
170% 769 MB/s
Min Avg Max
14.6 4K Read 43.7 49.5
11.6 4K Write 58.5 133
5.62 4K Mixed 24 51.9
128% 42.1 MB/s
Min Avg Max
13.7 DQ Read 267 630
24.3 DQ Write 181 269
7.91 DQ Mixed 179 423
146% 209 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
84GB free (System drive)
Firmware: BXW1SA0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 651 655 655 657 655 654 MB/s
Read 1,458
Write 661
Mixed 668
SusWrite 655
190% 860 MB/s
4K Read 43.6
4K Write 119
4K Mixed 51.5
195% 71.4 MB/s
DQ Read 572
DQ Write 263
DQ Mixed 394
298% 410 MB/s
43GB free (System drive)
Firmware: BXW1SA0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 627 612 586 569 530 545 MB/s
Read 1,425
Write 681
Mixed 636
SusWrite 578
184% 830 MB/s
4K Read 44.9
4K Write 134
4K Mixed 53.9
208% 77.7 MB/s
DQ Read 620
DQ Write 262
DQ Mixed 399
307% 427 MB/s
470 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,624,497 SSDs tested.

Typical SM0128G PCIe 121GB Builds (Compare 444 builds) See popular component choices, score breakdowns and rankings.
Gaming 14%
Tree trunk
Desktop 45%
Workstation 22%

System: Apple MacBookAir7,2


Popular SM0128G PCIe 121GB 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) January 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]


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.


1016 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

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Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
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WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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