Asustor AS6704T
Score: 79/100
Synology DS423
Score: 69/100Rankings
The Asustor Lockerstor 4 Gen2 (AS6704T) is a high-performance 4-bay NAS aimed at power users and small businesses, offering up to 88 TB raw capacity, extensive RAID options, dual 2.5 GbE networking and four M.2 NVMe slots. It delivers fast file transfers and 4K media handling, though it lacks native 10 GbE and requires tools for drive installation.
The DS423 is a compact, entry-level 4-bay NAS that delivers Synology's DSM experience with low power draw and quiet operation, aimed at home users and small offices needing simple file sharing and backup.
| Attribute | | |
|---|---|---|
88 TBbest | 72 TB | |
4best | 4best | |
2.5 Gbpsbest | 1 Gbps | |
4best | 4best | |
4 GBbest | 2 GB | |
| ↓ lower better | 35 W | 32.41 Wbest |
| ↓ lower better | 17.6 dBbest | 20.6 dB |
3 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(5) | ||
CPU Model | Intel Celeron N5105 | Realtek RTD1619B |
System Memory (GB) | 4 GB | 2 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 1 Gbps |
Power Consumption (Active) (W) | 35 W | 32.41 W |
Noise Level (dB) | 17.6 dB | 20.6 dB |
Build & Design(3) | ||
Weight (kg) | 3.5 kg | 2.21 kg |
Power Supply Type | 90 W AC adapter | 90W |
Warranty Period (years) | 3 years | 2 years |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 88 TB | 72 TB |
RAID Support | Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | 0,1,5,6,10,Basic,Hybrid RAID,JBOD |
Supported Drive Types | 3.5"/2.5" SATA HDD/SSD | 3.5" SATA HDD,2.5" SATA SSD |
Products in the top-left offer the best value (high score, low price).
Professional reviewers rate the AS6704T extremely highly, with PCMag giving it a perfect 5.0/5.0 "Exemplary" score for its blazing speeds, robust hardware and extensive app library.
Everyday users love the AS6704T's raw performance, flexible M.2 and 2.5 GbE options, and the breadth of apps that let them run Plex, Docker and VMs with ease.
Professional reviewers position the DS423 as a dependable, cost-effective entry-level NAS that delivers Synology's renowned DSM experience, while noting its limited CPU power and lack of expandability compared to higher-end models.
Everyday users appreciate the straightforward setup, quiet operation and dependable performance for everyday backup and media streaming, but are disappointed by the fixed RAM and modest processor.
“high-performance design for intensive tasks like video editing”
“up to 590 MB/s read and 555 MB/s write speeds”
“smooth 4K streaming and transcoding”
