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Qnap

iSCSI Storage 6.5TB

▲ 500 ▼

Release date ≈ Q3 2018.

Average Bench: 22.2% (1054th of 1072)

Based on 18 user benchmarks.  Model: QNAP iSCSI Storage
Poor: 18%Average: 22.2% Great: 25%

Very poor average bench

The Qnap iSCSI Storage 6.5TB averaged 77.7% 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 Mixed IO Speed 58.5MB/s
Avg. 4K Random Read Speed 11.1MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the Qnap iSCSI Storage 6.5TB is just 6.29%. This is an extremely narrow range which indicates that the Qnap iSCSI Storage 6.5TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 9.4MB/s
Avg. Sustained Write Speed 74.7MB/s
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Average Bench

(Based on 18 samples)
Rank 105422.2%
Min Avg Max
56.5 Read 99.5 217
39.1 Write 90 154
51.7 Mixed 94.9 167
24.2 SusWrite 74.7 116
20.2% 89.8 MB/s
Min Avg Max
7.4 4K Read 11.1 13.6
8.2 4K Write 9.4 11.8
5.3 4K Mixed 10.1 13.2
34.8% 10.2 MB/s
Min Avg Max
27.9 DQ Read 78.4 115
22.7 DQ Write 52.7 111
16 DQ Mixed 58.5 134
45.6% 63.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
4.5TB free
Firmware: 4.0
SusWrite @10s intervals: 112 112 126 115 114 114 MB/s
30.7% Below average
Read 217
Write 154
Mixed 167
SusWrite 116
37% 163 MB/s
4K Read 9.1
4K Write 10.7
4K Mixed 13.2
36% 11 MB/s
DQ Read 115
DQ Write 32.5
DQ Mixed 59.4
48% 69 MB/s
4.5TB free
Firmware: 4.0
SusWrite @10s intervals: 99 97 98 100 100 100 MB/s
24.7% Poor
Read 98
Write 98.7
Mixed 98.3
SusWrite 98.9
22% 98.5 MB/s
4K Read 11.8
4K Write 9.2
4K Mixed 11.1
37% 10.7 MB/s
DQ Read 111
DQ Write 35
DQ Mixed 63.3
49% 69.7 MB/s
4.5TB free
Firmware: 4.0
SusWrite @10s intervals: 40 42 43 42 43 41 MB/s
21.4% Poor
Read 96.3
Write 98.1
Mixed 98.9
SusWrite 42
19% 83.8 MB/s
4K Read 12.2
4K Write 9.2
4K Mixed 11.4
38% 10.9 MB/s
DQ Read 109
DQ Write 32.2
DQ Mixed 58.5
46% 66.7 MB/s
4.5TB free
Firmware: 4.0
SusWrite @10s intervals: 24 25 25 24 24 24 MB/s
19.5% Very poor
Read 102
Write 99
Mixed 99.9
SusWrite 24.2
18% 81.2 MB/s
4K Read 10.9
4K Write 9
4K Mixed 10.7
35% 10.2 MB/s
DQ Read 106
DQ Write 31.8
DQ Mixed 61.8
47% 66.4 MB/s
994GB free
Firmware: 4.0
SusWrite @10s intervals: 40 38 37 40 38 33 MB/s
13.8% Very poor
Read 56.5
Write 39.1
Mixed 51.7
SusWrite 37.3
10% 46.2 MB/s
4K Read 7.4
4K Write 8.6
4K Mixed 8
26% 8 MB/s
DQ Read 27.9
DQ Write 22.7
DQ Mixed 16
14% 22.2 MB/s
18 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,767,380 SSDs tested

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Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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Solid State Drive Rankings (Price vs Performance) May 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

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

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia 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 $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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