TEST
YOUR USB

Seagate (ExtHD)

BACKUP+ 500GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 94% (5th of 639)

Based on 4 user benchmarks.  Device: VID 0bc2 PID ab20 Model: Seagate BACKUP+
Poor: 19%Average: 94% Great: 296%

Excellent average bench

The Seagate BACKUP+ 500GB averaged just 5.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Seagate BACKUP+ 500GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 76.7MB/s
Avg. 4K-64Thread Mixed IO Speed 41.7MB/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. Sequential Read Speed 112MB/s
Avg. 4K Random Read Speed 7.82MB/s
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Average Bench

(Based on 4 samples)
Rank 594%
Min Avg Max
71.3 Read 112 202
67 Write 107 204
29.9 Mixed 83.4 184
9.2 SusWrite 97.9 207
134% 100 MB/s
Min Avg Max
0.49 4K Read 7.82 29.3
0.8 4K Write 18.3 69.9
0.33 4K Mixed 10.5 40.3
1,008% 12.2 MB/s
Min Avg Max
29.2 DQ Read 29.2 29.2
76.7 DQ Write 76.7 76.7
41.7 DQ Mixed 41.7 41.7
4,135% 49.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
283GB free, PID ab20
Operating at USB 3.0 Speed
SusWrite @10s intervals: 221 207 205 202 203 202 MB/s
296% Outstanding
Read 202
Write 204
Mixed 184
SusWrite 207
272% 199 MB/s
4K Read 29.3
4K Write 69.9
4K Mixed 40.3
3,857% 46.5 MB/s
DQ Read 29.2
DQ Write 76.7
DQ Mixed 41.7
4,136% 49.2 MB/s
403GB free, PID ab20
Operating at USB 3.0 Speed
SusWrite @10s intervals: 77 74 78 80 79 78 MB/s
32.8% Below average
Read 79
Write 72.7
Mixed 29.9
SusWrite 77.7
86% 64.8 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.5
66% 0.8 MB/s
466GB free, PID ab20
28.6% Poor
Read 71.3
Write 67
Mixed 71.7
90% 70 MB/s
4K Read 0.49
4K Write 1.15
4K Mixed 0.33
52% 0.66 MB/s
137GB free, PID ab20
Operating at USB 3.0 Speed
SusWrite @10s intervals: 16 6.7 6.7 5.7 6.2 14 MB/s
18.6% Very poor
Read 96
Write 83.3
Mixed 47.7
SusWrite 9.2
72% 59 MB/s
4K Read 1
4K Write 0.8
4K Mixed 0.8
58% 0.87 MB/s
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USB Flash Drive Rankings (Price vs Performance) May 2024 USB Rankings

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.

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

 Frequently Asked Questions

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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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