Average Bench: 146% (128th of 1026)

Based on 313 user benchmarks.  Model: APPLE SSD SM0128G

Outstanding average bench

The Apple SM0128G PCIe 121GB averaged 46.3% 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. 4K-64Thread Mixed IO Speed 368MB/s
Avg. Sequential Read Speed 1,290MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Apple SM0128G PCIe 121GB is 148%. 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 243MB/s
Avg. Sustained Write Speed 514MB/s

Average Bench

(Based on 313 samples)
Min Avg Max
640 Read 1,290 2,707
23.5 Write 573 698
43.2 Mixed 528 690
19.1 SusWrite 514 684
160% 726 MB/s
Min Avg Max
15.4 4K Read 50.3 362
1.8 4K Write 79.9 149
3.6 4K Mixed 33 54.5
161% 54.4 MB/s
Min Avg Max
213 DQ Read 512 631
145 DQ Write 243 273
215 DQ Mixed 368 428
276% 374 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
62GB free
Firmware: BXW1SA0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 682 681 680 683 682 682 MB/s
Read 1,427
Write 689
Mixed 684
SusWrite 682
193% 870 MB/s
4K Read 41.8
4K Write 157
4K Mixed 55.6
218% 84.9 MB/s
DQ Read 629
DQ Write 267
DQ Mixed 405
311% 434 MB/s
65GB free (System drive)
Firmware: BXW1SA0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 438 586 555 556 523 531 MB/s
Read 682
Write 599
Mixed 482
SusWrite 531
129% 574 MB/s
4K Read 12.9
4K Write 78.4
4K Mixed 27.9
97% 39.7 MB/s
DQ Read 490
DQ Write 241
DQ Mixed 362
269% 364 MB/s
313 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,475,286 SSDs tested.

Typical SM0128G PCIe 121GB Builds (Compare 518 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 60%
Workstation 34%
Sail boat

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) July 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.


1026 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 i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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