Desktop Business ASUS EXPERT CENTER D500SC-0G59050120, Intel® Celeron® G5905 Processor 3.5 GHz (4M Cache, up to 3.5 GHz, 2 cores), 4GB DDR4 U- DIMM, 256GB M.2 NVMe™ PCIe® 3.0 SSD, DVD writer 8X, High Definition 7.1 Channel Audio, Rear I/O Ports: 1x Headphone out, 1x Line-in, 1x MIC in, 1x RJ45 Gigabit Ethernet, 1x HDMI 1.4, 1x VGA Port, 2x PS2, 1x Serial port, 2x USB 2.0 Type-A, 2x USB 3.2 Gen 1 Type-A, Front I/O Ports: 1x Headphone, 1x 2-in-1 card reader SD / MMC, 1x 3.5mm combo audio jack, 2x USB 3.2 Gen 1 Type-A, 2x USB 3.2 Gen 2 Type-A, HOUSING, Expansion Slot (includes used): 1x PCIe® 3.0 x 1, 1x PCIe® 3.0 x 16, 1x M.2 connector for WiFi, 1x M.2 connector for storage, 2x DDR4 U-DIMM slot, 300W power supply (80+ Platinum, peak 390W), Wired keyboard/Wired optical mouse, Small form factor, Dimensions: 09.46 x 31.95 x 32.06 cm, Weight: 05.50 kg, BIOS Booting User Password Protection, HDD User Password Protection and Security, Kensington Security Slot™, Trusted Platform Module (Firmware TPM), 3 Years warranty