- CPU: Quad-Core Intel Celeron 2.0 G Hz (burst up to 2.42 G Hz)
- Floating Point Unit: V
- GPU: Intel HD Graphics
- Hardware-Acclerated Transcoding: V
- Memory: System memory: TS-251+-2G: 2GB DDR3L RAM (1 x 2GB) TS-251+-8G: 8GB DDR3L RAM (2 x 4GB) Total memory slots: 2 SODIMM Expandable up to: 8 GB NOTE: 1. When installing two memory modules, please ensure that they are the same size & ideally use the same type of RAM for both memory slots. 2. For the information of RAM module installation & compatible NAS models, please refer to the QNAP RAM Module Installation Guide
- Flash Memory: 512MB
- Drive: 2 x 2.5" or 3.5" SATA 6 Gb/s, 3 Gb/s HDD or SSD; hot swappable trays NOTE: For the HDD compatibility list, please visit https://www.qnap.com/compatibility
- Expansion Unit: Max. 1 (UX-800P, UX-500P)
- Gigabit LAN Ports: 2
- USB: 2 x USB (Universal Serial Bus) 3.0 (Front: 1, Rear: 1) 2 x USB (Universal Serial Bus) 2.0 (Rear)
- IR Receiver: Yes (QNAP RM-IR002 remote control)
- HDMI: 1
- LED Indicators: Power/ Status, LAN, USB (Universal Serial Bus), HDD1-2
- Buttons: Power, Reset, USB (Universal Serial Bus) Auto Copy
- Alarm Buzzer: System warning
- Form Factor: Tower
- Dimensions: (Hx Wx D) 168.5 x 102 x 225 mm 6.63 x 4.02 x 8.86 inch
- Weight: (Net / Gross) 1.28kg (2.82 lbs) / 2.32kg (5.11 lbs)
- System Fan: 1 x 7cm, 12V DC Kensington Security Slot 1
- Power Supply: External Power Adapter, 60W, 100-240V
- Power Consumption: (W) S3 sleep: 0.57 HDD standby: 10.56 In operation (typical): 18.09
- Temperature: 0
- 40 °C
- Humidity: 5~95% RH non-condensing, wet bulb: 27&730;C
- Package Contents: TS-251+ Ethernet cable x 2 Quick installation guide (QIG) Flat head screw x 8 (for 3.5" HDD) Flat head screw x 6 (for 2.5" HDD) AC Adapter: SP-2BAY-ADAPTOR Power cord x 1 IR Remote Control: RM-IR002