Thiết bị lưu trữ NAS QNAP TS-251D
| SKU | TS-251D-4G |
|---|---|
| CPU | Intel® Celeron® J4025/J4005 dual-core 2.0 GHz processor |
| CPU Architecture | 64-bit x86 |
| Floating Point Unit | ✔ |
| Encryption Engine | ✔ (AES-NI) |
| Hardware-accelerated Transcoding | ✔ |
| System Memory | 4 GB SO-DIMM DDR4 (1 x 4 G) |
| Maximum Memory (Slots) | 8 GB (2 x 4GB 2 x SO-DIMM DDR4) |
| Flash Memory | 4GB (Dual boot OS protection) |
| Drive Bays | 2 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | ✔ |
| M.2 SSD Slot | Optional via a QM2 PCIe adapter |
| SSD Cache Acceleration Support | ✔ |
| 1GbE Port (RJ45) | 1 |
| > 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) > 10 Gigabit Ethernet Port |
Expandable with an optional PCIe adapter |
| Jumbo Frame | ✔ |
| PCIe Slot | 1x PCIe Gen 2 x4 |
| USB 2.0 port | 3 |
| USB 3.2 Gen 1 port | 2 |
| USB 3.2 Gen 2 (10Gbps) port | Optional via a PCIe expansion card |
| IR Sensor | ✔ (Optional QNAP RM-IR004 remote control) |
| HDMI Output | 1, HDMI 2.0 |
| Form Factor | Tower |
| Buttons | Power, USB copy, Reset |
| Dimensions (HxWxD) | 168 × 105 × 226 mm |
| Power Supply Unit | External Power Adapter, 65W, 100-240V |
| Weight (Net) | 1.48 kg |
| Operating temperature | 0 - 40 °C (32°F - 104°F) |
| Power Consumption/Operating Mode | 15.25 W |
| Fan | 1 x 70mm |