CPU Intel® Celeron® J3455 quad-core 1.5 GHz, up to 2.3 GHz Encryption Acceleration (AES-NI) Graphics Intel® HD Graphics 500 System Memory 4GB DDR3L (1 x 4GB) Maximum Memory 8GB Memory Slot 2 x DDR3L SODIMM slots (For dual-DIMM configuration, you must use a pair of identical DDR3L modules.) Drive Bay Hot-swappable 4 x 3.5'/2.5' SATA 6Gb/s HDD/SSD Gigabit Ethernet Port 2 x RJ45 Gigabit LAN port 10 Gigabit Ethernet Port Optional 10 Gigabit LAN port via a PCIe expansion card USB Port 5 x USB 3.0 Type-A ports PCIe Slot 1 PCIe 2.0 x2 slot HDMI Output 2 x HDMI v1.4b, up to 3840 x 2160, 30 Hz Audio Input: 2 x 3.5mm microphone input jacks Output: speaker, 3.5mm line out jack LED Indicators Status/Power, LAN, USB, Drives Buttons Power, USB copy, Reset, Capacitive touch buttons (select, enter) IR sensor Optional QNAP RM-IR004 remote control Security Slot Kensington security slot Dimensions (H x W x D) 168 x 170 x 226 mm 6.61 x 6.69 x 8.90 inch Net Weight 2.33 kg ( 5.14 lbs ) Operating Temperature & Relative Humidity 0 ~ 40˚C (32˚F ~ 104˚F) / 5~95% RH non-condensing, wet bulb: 27˚C (80.6˚F) Power Consumption (W) HDD sleep: 15.00W Typical Operation: 30.04W Power Supply Unit 90W AC adapter, 100-240V Fan 1 x 12 cm Package Contents NAS, QIG, 2 x RJ45 ethernet cables, AC adapter, power cord, 2.5'/3.5'drive screw kit