Model number TVS-673E (QNAP model number TVS-673e-8G) CPUs AMD R Series RX-421BD Quad Core 2.1GHz (up to 3.4GHz) Embedded Radeon R7 graphics processor AES-NI hardware encryption engine installed Memory Slot DDR4 SODIMM x 4 Standard 8GB (4GB x 2), Max 64GB (16GB x 4) * Cannot be used in combination with different capacities of memory. flash 512MB DOM drive bay 6 x 3.5”/2.5” SATA 6Gb/s HDD/SSD Hot swappable M.2 SSD slot 2 x M.2 2260/2280 SATA 6Gb/s SSD *M.2 SSD is optional. We recommend using a heatsink. LAN port Standard 1GbE (1000BASE-T) x 4 Optional 10GbE (10GBASE-T, SFP+), 1GbE (1000BASE-T) USB port Front USB 3.2 Gen.1 x 1 (Type-A, USB one-touch copy button) Rear USB 3.2 Gen.1 x 3 (Type-A) HDMI output HDMI 1.4b x2 (up to 3840 x 2160 resolution at 30Hz) PCIe expansion slots Number of slots 2 Slot 1 PCIe Gen.3 x4 Slot 2 PCIe Gen.3 x4 Audio input/output 3.5mm dynamic microphone input jack x 2 3.5mm line-out jack x 1 Speaker x 2 * The speaker and line output jacks cannot be used at the same time. LCD display Yes (enter, select button) LED indicator System status, M.2 SSD, 3.5” HDD Buttons Power, Reset, USB One Touch Copy Security Design Kensington lock compatible Dimensions (H x W x D) 188 x 264 x 280mm Weight Body weight 9.05 kg (without HDD) Power supply unit Input 100-240V AC 50-60Hz, Output 250W * The included power cable is for 100V. Please prepare separately when using at 200V. Power Consumption 35.11 W in HDD sleep, 63.69 W in normal operation Fans System 9cm fan x 2 CPU 6cm fan x 1 Operating ambient temperature 0 - 40℃ Operating Ambient Humidity 5 - 95% (non-condensing), wet bulb temperature 27°C Noise level 23dB(A) Included Items NAS main unit, LAN cable (RJ45) x 2, power cable, screw for 2.5 inch drive, screw for M.2 SSD, heat sink for M.2 SSD, quick installation guide Warranty period 2 years for stand-alone models, 5 years for near-line class models with HDD, 3 years for middle class