I/O Slots2 PCI Express Gen3 x16 slots
1 PCI Express Gen3 x16 slot - Available ONLY when 2nd CPU is installed.
1 PCI Express Gen3 x8 slot - with x16 connector. - Available ONLY when 2nd CPU is installed.
1 PCI Express Gen3 x4 slot - with x8 connector
1 PCI Express Gen2 x4 slot - with x8 connector
1 PCI 32bit/33MHz slot
1 Mechanical-only slot
Front I/O2 USB 3.0, 1 USB 2.0, 1 Headphone, 1 Microphone, and 1 IEEE 1394a
Rear I/O1 IEEE 1394a 2 USB 3.0 4 USB 2.0 1 Serial PS/2 keyboard and mouse 2 RJ-45 to integrated Gigabit LAN 1 Audio Line-In, 1 Audio Line-Out, 1 Microphone
Internal USB6 USB 2.0 ports available by three separate 2x5 headers. Each 2x5 header supports either one HP Internal USB Port Kit (EM165AA) or one 22-in-1 Media Card Reader.
Power Supply850W
Memory8GB RAM
Storage1 TB HDD
CPUE5-2620 3.5 GHz
Operating systemWindows 10 Pro 64 bit 
Graphics adapterAMD FirePro V5900
Title
HP Z820 Workstation B2C05UT E5-2620 8GB RAM 1TB HDD V5900 Win10
Condition
Seller refurbished
Content
HP Z820 Workstation, power cord, keyboard, mouse
Manufacturer
HP
Model
Z820
MPN
B2C05UT#ABA
SKU
Z820
https://www.compeve.com/Products/Workstations/HP/Z820/Z820_compeve__2.jpg
https://www.compeve.com/Products/Workstations/HP/Z820/Z820_compeve__3.jpg