2 DDR4 slots, support up to 32GB combined. Support DDR4 2666/ 2400/ 2133 MHz. 1 VGA port, supports the highest resolution 2048x1536@50Hz, 2048x1280@60Hz, 1920x1200@60Hz. 1 x RTL8111H Gigabit NIC. 6 USB 3.1 Gen1 (SuperSpeed USB) ports (4 Type-A ports on back panel, 2 ports via onboard USB ports).