One (1) PCI Express 3.0 x 16, One (1) PCI Express 3.0 x 1

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset: Intel B250
Processors: Intel Core i3, i5, i7 6th & 7th Gen, Intel Pentium, Intel Celeron
Memory Support: Two (2) DIMM slots, Up to 32 GB DDR4 SDRAM 2400
Hard Drive: SATA HDD or SSD M2 NVMe
Removable Media: N/A
Expansion Bays: One (1) 3.5 inch, 1″ high, internal, supports 2.5″ or 3.5″ HDD/SSD
Expansion Slots: One (1) PCI Express 3.0 x 16, One (1) PCI Express 3.0 x 1
Graphics: Intel HD Graphics
Audio: High Definition Audio
Communications: Realtek RTL8111HN
I/O Ports: Front- Two USB 3.0, microphone, headphone, Rear ports : Two USB 3.0, two USB 2.0, serial, ethernet, one VGA, one DisplayPort, two PS/2 ports
Power : 180 w
Dimensions : 100mm X 303.5mm X 273.5mm
Weight : approx 4.25 kg