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Synology

iSCSI Storage 644GB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 23.4% (1048th of 1072)

Based on 32 user benchmarks.  Model: SYNOLOGY iSCSI Storage
Poor: 19%Average: 23.4% Great: 28%

Very poor average bench

The Synology iSCSI Storage 644GB averaged 76.6% 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 93MB/s
Avg. 4K Random Read Speed 11.5MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the Synology iSCSI Storage 644GB is just 8.55%. This is an extremely narrow range which indicates that the Synology iSCSI Storage 644GB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 56.1MB/s
Avg. 4K Random Write Speed 11.2MB/s
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Average Bench

(Based on 32 samples)
Rank 104823.4%
Min Avg Max
71.5 Read 104 356
68.5 Write 102 318
72 Mixed 104 351
12.4 SusWrite 56.1 105
20.6% 91.7 MB/s
Min Avg Max
7.3 4K Read 11.5 17.3
8.2 4K Write 11.2 15.6
5.64 4K Mixed 10.5 16.2
36.7% 11 MB/s
Min Avg Max
34.9 DQ Read 88.4 229
28.5 DQ Write 78.2 199
7.97 DQ Mixed 93 205
67.1% 86.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
342GB free
Firmware: 4.0
SusWrite @10s intervals: 109 112 129 151 160 228 MB/s
39.3% Below average
Read 344
Write 297
Mixed 309
SusWrite 148
62% 275 MB/s
4K Read 12.4
4K Write 10
4K Mixed 10.9
38% 11.1 MB/s
DQ Read 61.6
DQ Write 153
DQ Mixed 117
86% 111 MB/s
32 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,717,986 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

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
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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 $273Nvidia RTX 4060 $295Crucial 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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