HP 280 G1 manual Product description

Category	Description
	(1) PCIe x 16
	(1) PCIe x 1
	(1) PCI 2.1
External media cards	HP Multi-Format Memory Card Reader slot, 6-in-1
Ports	Rear I/O
	(4) USB 2.0
	(2) USB 3.0
	(1) Audio line out
	(1) Audio line in
	(1) RJ-45
	(1) VGA
	(1) DVI-D
	(2) PS/2 standard
	(2) Serial port
	(1) Parallel port
	Front I/O
	(2) USB 2.0
	(1) Headphone out
	(1) Microphone in
Keyboard/pointing devices	Universal USB Wired Windows 8 Keyboard
	HP PS/2 Keyboard
	Universal USB Wired Optical Mouse
	HP PS/2 Mouse
	HP USB Mouse
Power requirements	180W aPFC
	180W HE (E-star)
	180W standard
	NOTE: Processor max at 65W; Memory dual DIMM max at 8GB total (4GB each); Graphics card
	max at 45W; PCIe X1 max at 25W; PCI max at 10W; 2 hard drive max at 1 TB each
Operating system	Preinstalled:
	Windows 8.1 Professional 64 downgrade to Windows 7 Pro 64 Bit
	Microsoft Windows 8.1 Professional 64 bit
	Microsoft Windows 8.1 Professional for Education 64 bit
	Microsoft Windows 8.1 (Emerging Markets) 64 bit
	Microsoft Windows 8.1 64 bit
	Microsoft Windows 8.1 for China 64 bit
	Microsoft Windows 8.1 Professional downgrade to Windows 7 Professional 32 bit

2 Chapter 1 Product description