TEST
YOUR USB

WD (ExtHD)

Elements 2621 4TB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 44.8% (29th of 639)

Based on 1,693 user benchmarks.  Device: VID 1058 PID 2621 Model: WD Elements 2621
Poor: 19%Average: 44.8% Great: 62%

Below average average bench

The WD Elements 2621 4TB averaged 55.2% 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-64Thread Write Speed 10.4MB/s
Avg. 4K Random Write Speed 4.59MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements 2621 4TB is 43.5%. This is a relatively wide range which indicates that the WD Elements 2621 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.36MB/s
Avg. 4K Random Read Speed 1.27MB/s
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Average Bench

(Based on 1,693 samples)
Rank 2944.8%
Min Avg Max
36.8 Read 87.3 123
32.4 Write 79.9 107
26 Mixed 58.6 77.9
33.4 SusWrite 81.2 110
103% 76.7 MB/s
Min Avg Max
0.6 4K Read 1.27 2.4
0.87 4K Write 4.59 7.9
0.5 4K Mixed 0.73 1
185% 2.19 MB/s
Min Avg Max
0.3 DQ Read 0.36 0.4
8.6 DQ Write 10.4 15.2
0.4 DQ Mixed 0.55 0.7
375% 3.78 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 2621
Operating at USB 3.1 Speed
SusWrite @10s intervals: 93 94 95 94 95 94 MB/s
57.4% Above average
Read 102
Write 91
Mixed 68.8
SusWrite 94.1
119% 89 MB/s
4K Read 1.2
4K Write 7.1
4K Mixed 0.8
273% 3.03 MB/s
2.5TB free, PID 2621
Operating at USB 3.1 Speed
SusWrite @10s intervals: 102 101 102 101 102 101 MB/s
57.3% Above average
Read 116
Write 106
Mixed 72.9
SusWrite 101
132% 99.2 MB/s
4K Read 0.9
4K Write 5.9
4K Mixed 0.7
228% 2.5 MB/s
1.5TB free, PID 2621
Operating at USB 3.1 Speed
SusWrite @10s intervals: 91 91 92 91 91 92 MB/s
52.3% Above average
Read 96.3
Write 87.9
Mixed 71
SusWrite 91.5
117% 86.7 MB/s
4K Read 1.1
4K Write 5.9
4K Mixed 0.8
232% 2.6 MB/s
791GB free, PID 2621
Operating at USB 3.1 Speed
SusWrite @10s intervals: 92 94 95 94 95 92 MB/s
51.4% Above average
Read 99.9
Write 92.4
Mixed 67.3
SusWrite 93.6
118% 88.3 MB/s
4K Read 0.9
4K Write 5.3
4K Mixed 0.8
211% 2.33 MB/s
3TB free, PID 2621
Operating at USB 3.1 Speed
SusWrite @10s intervals: 102 102 104 102 103 102 MB/s
45.5% Average
Read 73.9
Write 105
Mixed 50.2
SusWrite 102
116% 82.9 MB/s
4K Read 0.7
4K Write 4
4K Mixed 0.7
162% 1.8 MB/s
2TB free, PID 2621
Operating at USB 3.2 Speed
SusWrite @10s intervals: 91 91 91 91 91 91 MB/s
42.6% Average
Read 89.8
Write 80.4
Mixed 64.4
SusWrite 91
110% 81.4 MB/s
4K Read 0.8
4K Write 3.1
4K Mixed 0.8
136% 1.57 MB/s
261GB free, PID 2621
Operating at USB 3.2 Speed
SusWrite @10s intervals: 63 74 74 74 74 74 MB/s
30.9% Below average
Read 66
Write 58.7
Mixed 46.3
SusWrite 72.4
82% 60.8 MB/s
4K Read 1.4
4K Write 1.7
4K Mixed 0.8
90% 1.3 MB/s
1,693 MORE »
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