Built for high-end computing and visualization. The dual-processor HP Z820 Workstation delivers outstanding performance, award-winning industrial design, and tool-free serviceability in the industry's most expandable chassis. With next-generation Intel® Xeon® processors, support for up to 24 processing cores, and the latest professional graphics, you'll tackle even the most demanding projects like never before.

I/O Slots 2 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/O 2 USB 3.0, 1 USB 2.0, 1 Headphone, 1 Microphone, and 1 IEEE 1394a

Rear I/O 1 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 USB 6 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 Supply 850W

Memory 12GB RAM

Storage 1TB HDD + 256 GB 

CPU 2x Intel Xeon E5-2640 2.50GHZ 12-Core

Operating system None

Graphics adapter Nvidia NVS 450 (Total video memory: 512MB)