
Buffalo LinkStation 720
Score: 74/100
Synology DS423
Score: 77/100Rankings

The Synology DiskStation DS423 is a compact 4-bay NAS offering up to 72 TB raw storage with dual 1 GbE ports and a user-friendly DSM OS. Its modest 2 GB RAM and Realtek processor may constrain demanding workloads. Best suited for home users and small offices seeking affordable, low-noise network storage.

The Buffalo LinkStation 720 LS720D1602 is a 2-bay desktop NAS pre-loaded with 16 TB of storage and 2.5 GbE networking, targeting home-office and small-household users. Its constraints include only two drive bays and passive cooling, which may limit scalability and thermal performance. Best suited for users who want an out-of-the-box high-capacity solution with built-in cloud sync.
| Attribute | ![]() | ![]() |
|---|---|---|
16 TB | 72 TBbest | |
2 | 4best | |
6best | 4 | |
1.3 GHz | 1.7 GHzbest | |
2 GBbest | 2 GBbest | |
3best | 2 | |
1 | 2best | |
2.5 Gbpsbest | 1 Gbps |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(2) | ||
Storage Capacity (TB) | 16 TB | 72 TB |
Drive Bays | 2 | 4 |
Performance(2) | ||
CPU Cores | 6 | 4 |
CPU Clock Speed (GHz) | 1.3 GHz | 1.7 GHz |
Connectivity(3) | ||
USB Ports | 3 | 2 |
Ethernet Ports | 1 | 2 |
Ethernet Speed (Gbps) | 2.5 Gbps | 1 Gbps |
Power(1) | ||
Power Consumption (Active) (W) | 33 W | 28.3 W |
Build & Design(2) | ||
Weight (kg) | 2.676 kg | 2.18 kg |
Dimensions (H×W×D) (cm) | 9.1×12.7×20.6 cm cm | 16.76 x 18.39 x 22.86 cm cm |
Compliance(1) | ||
Certifications | TAA Compliant | FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the LS720D1602 as a plug-and-play NAS that is reliable, easy to set up, and well-suited for home or small-office environments thanks to its 2.5 GbE port and built-in cloud integration, while noting the lack of active cooling and limited bay count.
Everyday users praise the convenience of a ready-to-use 16 TB solution, DLDL streaming, and seamless cloud sync, but note the limited expansion options and passive cooling as drawbacks.

Professional reviewers commend the DS423 for its intuitive DSM operating system, robust Btrfs snapshot protection, and quiet, compact form factor, positioning it as a solid entry-level NAS for home and small-office use.
Everyday users praise the DS423's easy-to-use DSM interface, low noise level, and small size, highlighting its suitability for family media libraries and basic backup tasks.

