PRODUCT DETAIL  OF  QNAP TS-253D-4G-2BAY PROFESSIONAL DESKTOP NAS 8TB / 16TB / 32TB 2.0 GHz processor

 CPU: Intel® Celeron® J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz)

CPU: Architecture 64-bit x86 

Graphic Processors: Intel® HD Graphics 600

 Floating Point Unit: Yes 

Encryption Engine: Yes (AES-NI) 

Hardware-accelerated Transcoding: Yes 

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: Yes 

M.2 SSD Slot: Optional via a PCIe adapter 

SSD Cache Acceleration Support: Yes

2.5 Gigabit Ethernet Port (2.5G/1G/100M): 2 (also support 10M) 

5 Gigabit Ethernet Port (5G/2.5G/1G/100M): Optional via PCIe expansion card 

10 Gigabit Ethernet Port Optional via PCIe expansion card 

Wake on LAN (WOL): Yes 

Jumbo Frame: Yes

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: Yes (Optional QNAP RM-IR004 remote control) 

HDMI: Output 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) 

Form: Factor Tower 

LED Indicators: Power/Status, LAN, USB, HDD1-2 

Buttons: Power, USB copy, Reset

Dimensions (HxWxD): 168 × 105 × 226 mm 

Weight (Net): 1.55 kg 

Weight (Gross): 2.68 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: 27˚C (80.6˚F) 

Power Supply Unit: 65W adapter, 100-240V 

Power Consumption: HDD Sleep Mode: 8.198 W 

Power Consumption: Operating Mode, Typical: 12.448 W 

Fan: 1 x 70mm, 12VDC 

Sound Level: 17.1 db(A) 

System Warning: Buzzer 

Kensington Security Slot: Yes 

Warranty: 3 Years 

USB 3.2 Gen 1 port: 2 

USB 3.2 Gen 2 (10Gbps) Port: Optional via a PCIe expansion card 

IR Sensor: Yes (Optional QNAP RM-IR004 remote control) 

HDMI: Output 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) 

Form: Factor Tower 

LED Indicators: Power/Status, LAN, USB, HDD1-2 

Buttons: Power, USB copy, Reset 

Dimensions (HxWxD): 168 × 105 × 226 mm 

Weight (Net): 1.55 kg 

Weight (Gross): 2.68 kg