TS-AI642-8G CPU 8-core ARM Cortex 64-bit Processor ( 4-core Cortex-A76 2.2 GHz + 4-core Cortex-A55 1.8 GHz ) CPU Architecture 64-bit ARM Graphic Processors ARM Mali-G610 MC4 Floating Point Unit Encryption Engine Hardware-accelerated Transcoding Neural Processing Unit (NPU) System Memory 8 GB on board (non-expandable) Note: Reserves some RAM for use as shared graphics memory. Maximum Memory 8 GB Flash Memory 4GB (Dual boot OS protection) Drive Bay 6 x 3.5-inch SATA 6Gb/s The system is shipped without HDD. For the HDD compatibility list, please visit https://www.qnap.com/compatibility/ 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 SSD Cache Acceleration Support Gigabit Ethernet Port (RJ45) 2 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 1 (2.5G/1G/100M/10M) 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via an adapter 10 Gigabit Ethernet Port Optional via an adapter Wake on LAN (WOL) Jumbo Frame PCIe Slot 1 Slot 1: PCIe Gen 3 x2 USB 2.0 port 2 USB 3.2 Gen 1 port 2 x Type-A IR Sensor (Optional QNAP RM-IR004 remote control) HDMI™ Output 2, HDMI™ 1.4b Form Factor Tower LED Indicators Power/Status, LAN, USB, HDD1-6 Buttons Power, USB copy, Reset Dimensions (HxWxD) 165 × 235 × 226.5 mm Dimensions do not include foot pad (foot pad may be up to 30mm / 1.18 inches high depending on model) Weight (Net) 4.4 kg Weight (Gross) 4.4 kg Operating Temperature 0 ~ 40°C (32°F ~ 104°F) Storage Temperature -20 - 70°C (-4°F - 158°F)