Average Bench: 128% (128th of 1003)

Based on 551 user benchmarks.  Model: APPLE SSD SM0128G

Outstanding average bench

The Apple SM0128G PCIe 121GB averaged 28.5% 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 1,375MB/s
Avg. 4K Random Read Speed 41.7MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Apple SM0128G PCIe 121GB is 77%. This is a particularly wide range which indicates that the Apple SM0128G PCIe 121GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 174MB/s
Avg. 4K-64Thread Write Speed 157MB/s

Average Bench

(Based on 551 samples)
Min Avg Max
913 Read 1,375 1,626
228 Write 552 691
320 Mixed 723 934
24.2 SusWrite 509 683
175% 790 MB/s
Min Avg Max
14.6 4K Read 41.7 45.5
16.4 4K Write 48 109
7.44 4K Mixed 19.9 41.7
114% 36.5 MB/s
Min Avg Max
13.3 DQ Read 174 602
22.5 DQ Write 157 260
7.67 DQ Mixed 99.6 396
92.8% 144 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
49GB free (System drive)
Firmware: BXZ33A0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 628 662 667 670 669 668 MB/s
Read 1,102
Write 682
Mixed 549
SusWrite 661
167% 749 MB/s
4K Read 20.8
4K Write 49
4K Mixed 22.8
87% 30.9 MB/s
DQ Read 473
DQ Write 266
DQ Mixed 397
288% 378 MB/s
551 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,200,958 SSDs tested.

Typical SM0128G PCIe 121GB Builds (Compare 349 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Desktop 46%
Workstation 24%

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.

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
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Solid State Drive Rankings (Price vs Performance) June 2019 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.


1003 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 i7-8700K $350Nvidia GTX 1070 $335Samsung 850 Evo 250GB $101
AMD Ryzen 5 2600 $144Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Ultra Fit 32GB $12
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