TEST
YOUR USB

LaCie (ExtHD)

d2 Quadra v3 1TB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 35.6% (57th of 639)

Based on 55 user benchmarks.  Device: VID 059f PID 104c Model: LaCie d2 Quadra v3
Poor: 15%Average: 35.6% Great: 51%

Poor average bench

The LaCie d2 Quadra v3 1TB averaged 64.4% 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 1.52MB/s
Avg. Sustained Write Speed 84.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the LaCie d2 Quadra v3 1TB is 35.7%. This is a relatively wide range which indicates that the LaCie d2 Quadra v3 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.72MB/s
Avg. Sequential Read Speed 83.4MB/s
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Average Bench

(Based on 55 samples)
Rank 5735.6%
Min Avg Max
29.8 Read 83.4 134
25.8 Write 79.6 122
21 Mixed 53.8 97.2
26.4 SusWrite 84.6 184
101% 75.3 MB/s
Min Avg Max
0.41 4K Read 0.72 0.83
1 4K Write 1.52 2.25
0.25 4K Mixed 0.71 1
78.6% 0.99 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
888GB free, PID 104c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 170 182 179 178 179 181 MB/s
62.6% Good
Read 124
Write 34
Mixed 74
SusWrite 178
136% 103 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.8
91% 1.1 MB/s
931GB free, PID 104c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 110 112 115 115 114 114 MB/s
44.5% Average
Read 112
Write 111
Mixed 52
SusWrite 113
130% 97.1 MB/s
4K Read 0.8
4K Write 1.1
4K Mixed 0.8
68% 0.9 MB/s
32GB free, PID 104c
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 39 40 40 39 39 MB/s
18.5% Very poor
Read 37.2
Write 31.9
Mixed 28.7
SusWrite 39.4
46% 34.3 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
55 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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