TEST
YOUR USB

Seagate (ExtHD)

Expansion HDD 4TB

▲ 500 ▼

Release date ≈ Q1 2022.

Average Bench: 59.3% (14th of 639)

Based on 8 user benchmarks.  Device: VID 0bc2 PID 2038 Model: Seagate Expansion HDD
Poor: 21%Average: 59.3% Great: 73%

Average average bench

The Seagate Expansion HDD 4TB averaged 40.6% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Write Speed 5.03MB/s
Avg. Sustained Write Speed 133MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion HDD 4TB is 51.7%. This is a relatively wide range which indicates that the Seagate Expansion HDD 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 2.74MB/s
Avg. Sequential Read Speed 98.1MB/s
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Average Bench

(Based on 8 samples)
Rank 1459.3%
Min Avg Max
27.9 Read 98.1 149
24.8 Write 122 158
21.4 Mixed 73.2 120
26.5 SusWrite 133 174
148% 107 MB/s
Min Avg Max
1.1 4K Read 2.74 7.3
3.5 4K Write 5.03 6.3
0.5 4K Mixed 0.81 1
209% 2.86 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 2038
Operating at USB 3.2 Speed
SusWrite @10s intervals: 141 146 141 140 141 143 MB/s
66% Good
Read 115
Write 144
Mixed 65.8
SusWrite 142
161% 117 MB/s
4K Read 1.1
4K Write 5.9
4K Mixed 0.9
235% 2.63 MB/s
1.5TB free, PID 2038
Operating at USB 3.2 Speed
SusWrite @10s intervals: 142 145 138 140 140 143 MB/s
65.1% Good
Read 122
Write 149
Mixed 73
SusWrite 141
166% 121 MB/s
4K Read 1.4
4K Write 5.3
4K Mixed 1
220% 2.57 MB/s
1.5TB free, PID 2038
Operating at USB 3.2 Speed
SusWrite @10s intervals: 140 139 133 136 137 135 MB/s
64.6% Good
Read 118
Write 142
Mixed 71.9
SusWrite 137
160% 117 MB/s
4K Read 1.3
4K Write 5.7
4K Mixed 1
233% 2.67 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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  • 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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