TS-251D-4G Specification |
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| CUP | Intel® Celeron® J4025/J4005 2-core/2-thread processor, burst up to 2.9/2.7 GHz |
| CPU Architecture | 64-bit x86 |
| Graphic Processors | Intel HD Graphics 600 |
| Floating Point Unit | √ |
| Encryption Engine | √(AES-NI) |
| Hardware-accelerated Transcoding | √ |
| System Memory | 4 GB SO-DIMM DDR4 (1 x 4 GB) |
| Maximum Memory | 8 GB (2 x 4GB) |
| Memory Slot | 2 x SO-DIMM DDR4 |
| Flash Memory | 4GB (Dual boot OS protection) |
| Drive Bay | 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 Slot | Optional via a QM2 PCIe adapter |
| SSD Cache Acceleration Support | √ |
| Gigabit Ethernet Port (RJ45) | 1 |
| 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) | Expandable with an optional PCIe adapter |
| 10 Gigabit Ethernet Port | Expandable with an optional PCIe adapter |
| Wake on LAN (WOL) | √ |
| Jumbo Frame | √ |
| PCIe Slot | 1
Slot 1: 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 | √ |
| HDMI Output | 1, HDMI 2.0 |
| Form Factor | Tower |
| LED Indicators | Power/Status, LAN, USB, HDD1-2 |
| Buttons | Power, USB copy, Reset |
| Dimensions (HxWxD) | 168 × 105 × 226 mm |
| Weight (Net) | 1.48 kg |
| Operating temperature | 0 – 40 °C (32°F – 104°F) |
| Storage Temperature | -20 – 70°C (-4°F – 158°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27ËšC (80.6ËšF) |
| Power Supply Unit | External Power Adapter, 65W, 100-240 V |
| Power Consumption: HDD Sleep Mode | 8.08 W |
| Power Consumption: Operating Mode, Typical | 15.25 W |
| Fan | 1 x 70mm |
| Sound Level | 16.7 db(A) |
| System Warning | Buzzer |
| Kensington Security Slot | √ |
| Max. Number of Concurrent Connections (CIFS) – with Max. Memory | 1500 |
Qnap TS-251D-4G Price in London, UK
TS-251D-4G Overview
The QNAP TS-251D is an entry-level 2-bay NAS that targets home users looking to set up a multimedia entertainment solution (4K media transcoding and streaming) and those who just need a device to secure their data via their own personal cloud. Released back in January, the QNAP NAS comes in two models: TS-251D-4G and TS-251D-2G. Though the 2G ships with 2GB of RAM and the 4G with 4GB, they both can be expanded to a maximum of 8GB using the two DIMM slots.
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