Hp Z4 G4 WorkStation i7 WX

Intel® Core™ i7-7800X (3.5 GHz up to 4.0 GHz; 8.25 MB cache, 6 cores)
AMD® Radeon Pro WX3100 4GB

Expansion Slots
2 PCIe 3 x4; 2 PCIe 3 x4,1 M.2 PCIe 3 x4, 1 PCIe x8,
2 PCIe x16 (for Intel Core™ i9-X configurations);
2 PCIe 3 x4, 1 M.2 PCIe 3 x4, 1 PCIe x8 (mechanical only),
1 PCIe x16 (x8 electrical), 1 PCIe x16 (for Intel Core™ i7-X configurations)

Ports and Connectors
Front: 1 headset connector; 4 USB 3.1 (1 charging)
Front (Premium version): 1 headset connector;
2 USB 3.1 Gen 2 Type-C™; 2 USB 3.1 Gen1 (1 charging)
Rear: 1 audio-in; 1 audio-out; 1 PS/2 keyboard port;
1 PS/2 mouse port; 2 RJ-45 (1 GbE); 6 USB 3.1 Gen 1