TEST
YOUR USB

SanDisk (ExtHD)

SDSSDA120G 120GB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 141% (2nd of 639)

Based on 6 user benchmarks.  Device: VID 174c PID 55aa Model: SanDisk SDSSDA120G
Poor: 15%Average: 141% Great: 260%

Outstanding average bench

The SanDisk SDSSDA120G 120GB averaged 40.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk SDSSDA120G 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 41.3MB/s
Avg. 4K Random Write Speed 25.5MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk SDSSDA120G 120GB is 245%. This is a particularly wide range which indicates that the SanDisk SDSSDA120G 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 13MB/s
Avg. Sequential Read Speed 249MB/s
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Average Bench

(Based on 6 samples)
Rank 2141%
Min Avg Max
32.5 Read 249 372
25.5 Write 145 220
27.5 Mixed 156 290
69.8 SusWrite 104 186
204% 164 MB/s
Min Avg Max
2.06 4K Read 13 18.2
1.54 4K Write 25.5 59.5
1.53 4K Mixed 7.79 13.7
1,181% 15.4 MB/s
Min Avg Max
15.1 DQ Read 17 18.9
21.8 DQ Write 41.3 76.1
2.16 DQ Mixed 9.99 14.9
1808% 22.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
18GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 122 83 77 77 84 79 MB/s
260% Outstanding
Read 372
Write 138
Mixed 139
SusWrite 86.9
208% 184 MB/s
4K Read 18.2
4K Write 59.5
4K Mixed 13.7
2,557% 30.5 MB/s
DQ Read 18.3
DQ Write 76.1
DQ Mixed 14.9
3,163% 36.4 MB/s
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We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

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See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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