Component
TS-451D2-2G
TS-451D2-4G
Memory slots
2 x DDR4 SODIMM
Note
Use only QNAP memory modules to maintain system
performance and stability. For NAS devices with more
than one memory slot, use QNAP modules with
identical specifications.
Using unsupported modules may degrade
performance, cause errors, or prevent the operating
system from starting.
Maximum memory
8 GB RAM: 2 x 4 GB
Flash memory
4 GB (dual-boot OS protection)
Storage
Drive bays
4 x 3.5-inch SATA 6 Gbps
Note
The NAS is also backward compatible with 3 Gbps.
Drive compatibility
3.5-inch bays:
• 3.5-inch SATA hard disk drives
• 2.5-inch SATA hard disk drives
• 2.5-inch SATA solid-state drives
SSD cache acceleration support
Supported
Hot-swapping
Supported
Network
Gigabit Ethernet ports
2 x GbE RJ45
Wake-on-LAN
Yes (GbE RJ45)
External I/O Ports & Expansion Slots
USB ports
Front:
1 x USB 3.2 Gen 1
Rear:
3 x USB 3.2 Gen 1
HDMI ports
1 x HDMI 2.0 (up to 4096 x 2160 resolution at 60 Hz)
Interface
Buttons
• Power
• USB One Touch Copy
• Reset
Dimensions
Form factor
Tower
Dimensions (H x W x D)
165.3 x 160 x 219.4 mm
(6.50 x 6.29 x 8.63 in)
Net weight
2.09 kg (4.60 lbs)
Others
Power supply unit
90W, 100-240V AC, 50/60 Hz
TS-451D2 User Guide
Product Overview
5