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Qnap

QDA-A2MAR RAID0 1TB

▲ 500 ▼

Release date ≈ Q3 2020.

Average Bench: 55.7% (845th of 1072)

Based on 7 user benchmarks.  Model: QNAP QDA-A2MAR RAID0
Poor: 42%Average: 55.7% Great: 76%

Average average bench

The Qnap QDA-A2MAR RAID0 1TB averaged 44.3% 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 Read Speed 20.7MB/s
Avg. Sequential Read Speed 408MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Qnap QDA-A2MAR RAID0 1TB is 34.2%. This is a relatively narrow range which indicates that the Qnap QDA-A2MAR RAID0 1TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 22.9MB/s
Avg. 4K-64Thread Write Speed 49.4MB/s
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Average Bench

(Based on 7 samples)
Rank 84555.7%
Min Avg Max
264 Read 408 505
18.4 Write 275 446
70.3 Mixed 193 315
95.2 SusWrite 284 415
64.7% 290 MB/s
Min Avg Max
6.8 4K Read 20.7 28.6
8.6 4K Write 39.3 64.8
6.6 4K Mixed 13.3 20.4
69.2% 24.4 MB/s
Min Avg Max
8.5 DQ Read 22.9 33.7
17.1 DQ Write 49.4 84.9
11.5 DQ Mixed 20.1 32.8
19.9% 30.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
901GB free (System drive)
Firmware: H220916a
SusWrite @10s intervals: 314 322 325 313 317 309 MB/s
49.3% Average
Read 264
Write 263
Mixed 315
SusWrite 316
66% 289 MB/s
4K Read 18
4K Write 17.9
4K Mixed 17.8
60% 17.9 MB/s
DQ Read 15.5
DQ Write 21
DQ Mixed 21.6
15% 19.4 MB/s
903GB free (System drive)
Firmware: H220916a
SusWrite @10s intervals: 292 308 296 317 274 331 MB/s
48.1% Average
Read 505
Write 18.4
Mixed 269
SusWrite 303
60% 274 MB/s
4K Read 6.8
4K Write 8.6
4K Mixed 9.7
27% 8.37 MB/s
DQ Read 8.5
DQ Write 20.6
DQ Mixed 21.2
14% 16.8 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,804,786 SSDs tested

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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

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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?
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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) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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