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Synology

iSCSI Storage 550GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 20.9% (1058th of 1072)

Based on 19 user benchmarks.  Model: SYNOLOGY iSCSI Storage
Poor: 13%Average: 20.9% Great: 27%

Very poor average bench

The Synology iSCSI Storage 550GB averaged 79.0% 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 44MB/s
Avg. 4K Random Read Speed 10.2MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Synology iSCSI Storage 550GB is just 13.9%. This is a relatively narrow range which indicates that the Synology iSCSI Storage 550GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 10.3MB/s
Avg. Sequential Read Speed 87.2MB/s
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Average Bench

(Based on 19 samples)
Rank 105820.9%
Min Avg Max
58.8 Read 87.2 110
40.6 Write 91.6 262
45.9 Mixed 78 111
43.9 SusWrite 84.1 180
19.2% 85.2 MB/s
Min Avg Max
0.4 4K Read 10.2 17.9
8.1 4K Write 10.3 14.8
0.6 4K Mixed 9.21 17
32.7% 9.92 MB/s
Min Avg Max
3.6 DQ Read 54.5 109
8.04 DQ Write 48.1 98.4
4.01 DQ Mixed 44 101
35% 48.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
276GB free
Firmware: 4.0
SusWrite @10s intervals: 98 102 102 101 103 103 MB/s
26.9% Poor
Read 85.7
Write 102
Mixed 100
SusWrite 102
22% 97.5 MB/s
4K Read 13.9
4K Write 14.1
4K Mixed 12.7
45% 13.6 MB/s
DQ Read 70
DQ Write 82.9
DQ Mixed 8.2
25% 53.7 MB/s
350GB free
Firmware: 4.0
SusWrite @10s intervals: 79 77 79 79 78 77 MB/s
25% Poor
Read 92.8
Write 79.8
Mixed 86
SusWrite 78
19% 84.2 MB/s
4K Read 14.5
4K Write 12.6
4K Mixed 11.9
44% 13 MB/s
DQ Read 84
DQ Write 51.7
DQ Mixed 66.1
50% 67.3 MB/s
396GB free
Firmware: 4.0
SusWrite @10s intervals: 82 83 83 83 83 83 MB/s
20.1% Poor
Read 85.4
Write 83.5
Mixed 82.3
SusWrite 82.8
19% 83.5 MB/s
4K Read 10.1
4K Write 11.1
4K Mixed 8.4
32% 9.87 MB/s
DQ Read 56.8
DQ Write 24.8
DQ Mixed 36.8
28% 39.5 MB/s
485GB free (System drive)
Firmware: 4.0
SusWrite @10s intervals: 153 212 164 150 190 210 MB/s
15.7% Very poor
Read 60.7
Write 262
Mixed 58.6
SusWrite 180
32% 140 MB/s
4K Read 0.4
4K Write 10.5
4K Mixed 0.6
7% 3.83 MB/s
DQ Read 3.6
DQ Write 13.6
DQ Mixed 5.5
5% 7.57 MB/s
400GB free
Firmware: 3.1
SusWrite @10s intervals: 56 57 58 59 59 59 MB/s
15.1% Very poor
Read 58.8
Write 62.9
Mixed 45.9
SusWrite 58.1
13% 56.4 MB/s
4K Read 7.8
4K Write 9.3
4K Mixed 8.2
27% 8.43 MB/s
DQ Read 16.4
DQ Write 14.4
DQ Mixed 20.2
14% 17 MB/s
19 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,710,260 SSDs tested

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Solid State Drive Rankings (Price vs Performance) April 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

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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?
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 $273Nvidia 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 $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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