Average Bench: 147% (133rd of 1040)

Based on 345 user benchmarks.  Model: APPLE SSD SM0128G

Outstanding average bench

The Apple SM0128G PCIe 121GB averaged 47.5% 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. 4K-64Thread Mixed IO Speed 369MB/s
Avg. Sequential Read Speed 1,310MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Apple SM0128G PCIe 121GB is 149%. 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 245MB/s
Avg. Sustained Write Speed 513MB/s

Average Bench

(Based on 345 samples)
Min Avg Max
660 Read 1,310 2,884
17.5 Write 567 697
32.8 Mixed 524 687
17.2 SusWrite 513 679
161% 728 MB/s
Min Avg Max
15.1 4K Read 53.5 362
1.7 4K Write 78.6 147
3.09 4K Mixed 32.1 53.9
164% 54.7 MB/s
Min Avg Max
310 DQ Read 514 632
163 DQ Write 245 273
218 DQ Mixed 369 427
277% 376 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
104GB free
Firmware: BXW5TA0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 628 618 619 616 622 614 MB/s
Read 1290
Write 645
Mixed 638
SusWrite 620
177% 798 MB/s
4K Read 22.7
4K Write 36.8
4K Mixed 26.7
88% 28.7 MB/s
DQ Read 632
DQ Write 255
DQ Mixed 398
306% 428 MB/s
345 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,224,084 SSDs tested.

Typical SM0128G PCIe 121GB Builds (Compare 123 builds) See popular component choices, score breakdowns and rankings.
Gaming 9%
Tree trunk
Desktop 57%
Workstation 8%
Tree trunk

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) October 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.


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.
Intel Core i5-9600K $180Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $170Samsung 860 Evo 250GB $42
Seagate Barracuda 1TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback