QNAP's four-bay TS-451D2 is built around multimedia output: a single HDMI 2.0 port drives a 4K@60Hz display directly from the NAS for HD Station and Linux Station. Networking is handled by two Gigabit Ethernet jacks (bondable via Link Aggregation), and there are four USB 3.2 Gen 1 (5 Gbps) Type-A ports — one on the front with a one-touch copy button. Note the LAN is 1GbE, not 2.5GbE, so for faster networking you would add a USB or PCIe adapter; the everyday cables that matter are an HDMI lead and two Ethernet leads.
Device Information
- Manufacturer
- QNAP
- Release Year
- 2021
- Model Number
- TS-451D2
- Category
- NAS
Source: manufacturer product page · Last updated: · How we verify port data →
Available Ports
| Connector | Quantity | Power (PD) | Capabilities | Label | Notes |
|---|---|---|---|---|---|
| HDMI 2.0b (Type A – Standard) | 1 | — | — | HDMI (rear) | 4K @60Hz direct output |
| RJ-45 (Gigabit Ethernet) | 2 | — | — | LAN 1 / LAN 2 (rear) | 1GbE each; supports Link Aggregation |
| USB Type-A (USB 3.2 Gen 1) | 4 | — | — | USB 3.2 Gen 1 (1 front w/ one-touch copy, 3 rear) | 5 Gbps; front port has one-touch copy button |
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Notes & Compatibility
HDMI 2.0 output supports 4K (3840×2160) @60Hz. Four SATA drive bays and an external DC barrel power adapter are not modeled as cable ports. LAN is Gigabit, not 2.5GbE.
Common questions
How many ports does the QNAP TS-451D2 (2021) have?
The QNAP TS-451D2 (2021) has 7 ports in total: 1 × HDMI 2.0b (Type A – Standard), 2 × RJ-45 (Gigabit Ethernet) and 4 × USB Type-A (USB 3.2 Gen 1).
What kinds of ports does the QNAP TS-451D2 (2021) have?
By connector family, the QNAP TS-451D2 (2021) has 4 USB, 2 Network and 1 HDMI.
How many USB ports does the QNAP TS-451D2 (2021) have?
The QNAP TS-451D2 (2021) has 4 USB ports: 4 × USB Type-A (USB 3.2 Gen 1).
What video connections does the QNAP TS-451D2 (2021) have?
The QNAP TS-451D2 (2021) has 1 port that can carry video: 1 × HDMI 2.0b (Type A – Standard).
Does the QNAP TS-451D2 (2021) have a headphone jack?
No. The QNAP TS-451D2 (2021) has no 3.5 mm headphone jack. Its audio connections are 1 × HDMI 2.0b (Type A – Standard).