TEST
YOUR USB

Samsung (ExtHD)

SSD 850 PRO 256G 256GB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 119% (3rd of 639)

Based on 4 user benchmarks.  Device: VID 067b PID 2773 Model: Samsung SSD 850 PRO 256G
Poor: 68%Average: 119% Great: 169%

Outstanding average bench

The Samsung SSD 850 PRO 256G 256GB averaged 18.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SSD 850 PRO 256G 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 26.4MB/s
Avg. 4K Random Write Speed 21.6MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sustained Write Speed 58.7MB/s
Avg. Sequential Read Speed 165MB/s
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Average Bench

(Based on 4 samples)
Rank 3119%
Min Avg Max
38 Read 165 241
37.3 Write 146 238
37.3 Mixed 151 240
4.5 SusWrite 58.7 113
171% 130 MB/s
Min Avg Max
12.1 4K Read 14.7 17.9
19.1 4K Write 21.6 25.5
9.99 4K Mixed 13 18.3
1,231% 16.4 MB/s
Min Avg Max
13.3 DQ Read 17.3 19.8
21.1 DQ Write 26.4 29.1
10.9 DQ Mixed 15.4 23.2
1,485% 19.7 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
238GB free, PID 2773
Operating at USB 3.0 Speed
169% Outstanding
Read 241
Write 238
Mixed 240
309% 240 MB/s
4K Read 17.9
4K Write 25.5
4K Mixed 10.6
1,293% 18 MB/s
DQ Read 18.3
DQ Write 28.8
DQ Mixed 11
1,423% 19.4 MB/s
78GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 114 112 112 113 113 115 MB/s
130% Outstanding
Read 226
Write 202
Mixed 202
SusWrite 113
245% 186 MB/s
4K Read 15.2
4K Write 22.5
4K Mixed 18.3
1,444% 18.7 MB/s
DQ Read 19.8
DQ Write 29.1
DQ Mixed 23.2
1,852% 24 MB/s
167GB free, PID 2773
Operating at USB 3.0 Speed
108% Outstanding
Read 154
Write 107
Mixed 126
159% 129 MB/s
4K Read 13.7
4K Write 19.1
4K Mixed 9.99
1,042% 14.3 MB/s
DQ Read 17.9
DQ Write 26.6
DQ Mixed 10.9
1,344% 18.5 MB/s
179GB free, PID 2773
Operating at USB 2.1 Speed
SusWrite @10s intervals: 4.8 4.8 4.7 4.7 3.5 4.5 MB/s
68% Good
Read 38
Write 37.3
Mixed 37.3
SusWrite 4.5
38% 29.3 MB/s
4K Read 12.1
4K Write 19.1
4K Mixed 13.3
1,147% 14.8 MB/s
DQ Read 13.3
DQ Write 21.1
DQ Mixed 16.3
1,321% 16.9 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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  • 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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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