CPU: Intel® Core™ i7-7700 3.6 GHz quad-core processor
System Memory: Total DIMM slots: 4
Maximum memory: 64 GB (16 GB x4)
Memory modules pre-installed: 64 GB DDR4 RAM (16 GB x 4)
Flash Memory: 512MB DOM
M.2 SSD Slot: 2 x M.2 2242/2260/2280/22110 SATA 6Gb/s SSD
Note: 1. The M.2 SSD is not included as standard.
     2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD.
Drive Bay: 4 x 2.5” SSD, max 9.5mm drive height
         8 x 2.5”/3.5” hard drive or SSD
Drive Compatibility: SATA 6Gbps/3Gbps; Hot-swappable
USB Port: 1 x USB 3.0 port (Front)
        4 x USB 3.0 port (Rear)
Gigabit Ethernet Port: 4 x GbE port (10GbE and 40GbE are supported with the purchase and installation of compatible network adapters)
Note: 1. For a list of compatible network adapters, please visit the Compatibility List.
     2. For instructions on how to install network adapters, please refer to Chapter 6 of the QNAP NAS Hardware Manual.
HDMI Output: 3
Audio: Input: 2 x 6.3mm MIC In
      Output: 2 x built-in speaker, 1 x 3.5mm Line-out jack
Note: Only one of the above audio output ports can work at a time. If a speaker is connected, the sound will output through the speaker.
LED Indicators: System status, 2.5” SSD, M.2 SSD, 3.5” HDD
ButtonsSystem: Power button, Reset button, USB one-touch-backup button
System Warning: Buzzer
Form Factor: Tower
Dimensions (H x W x D): 234.6 (H) x 369.9 (W) x 319.8 (D) mm
WeightNet (NAS only): 11.34 kg
Gross (with packing and accessories): 13.65 kg
Sound Level: Sound pressure (LpAm) (bystander position): 21.6 dB
Operating Temperature & Relative Humidity: 0-40ËšC
Power Supply Unit: Input: 100-240V~, 3-1.5A, 60-50Hz; Output 250W
PCIe Slot: 3 (1* PCIe Gen3 x8; 2* PCIe Gen3 x4)
Fan: System: 3 x 8 cm cooling fan
CPU: 1 x 9 cm fan