HP RENEW CERTIFICATION: SILVER Brand New Condition (Refurbished)
 
HP Z8 G4 Workstation 2x Xeon 3206R 64GB RAM 1TB SSD DVDRW RTX A4000 16GB Graphics
 
CPU Specifications
Total Cores 8
Total Threads 8
Max Turbo Frequency 1.90 GHz
Processor Base Frequency 1.90 GHz
Cache 11 MB
Max # of UPI Links 2
TDP 85 W

Memory
HP 64GB (64 GB x 1) DDR4-2666 ECC Reg RAM
Maximum
Supports up to 768 GB using Registered DIMMs
 
Front I/O (base)
(4) USB 3.1 Gen 1 Type-A connector (left most connector has charging capability)
(1) Combo headset
(1) Optional media card reader
Front I/O (premium)
(2) USB 3.1 Gen 1 Type-A connector (left most connector has charging capability)
(2) USB 3.1 Gen 2 Type-C connector
(1) Combo headset
(1) Optional media card reader
Internal I/O
(1) PCIe Gen 3 x8 (internal slot always available for CPU)
(1) PCIe Gen 3 x8 (internal slot available when 2nd CPU is installed)
(2) USB 2.0 ports available with a single 2x5 header
(1) USB 2.0 port available with a 1x6 header
(1) USB 3.1 Gen 1 and (1) USB 2.0 port available with a 2x6 header
NOTE: 
The 2x5, 1x6, and 2x6 headers can be converted to a standard (Type-A) USB 2.0 connector through the use of one HP Internal USB Port Kit.
Rear I/O
(6) USB 3.1 Gen 1 (aka USB 3.0)
(1) Serial
(1) PS/2 Keyboard
(1) PS/2 Mouse
(2) RJ-45 to integrated Gigabit LAN
(1) Audio line-in (can be retasked as microphone)
(1) Audio line-out
 
Expansion Slots
Slot 1
PCIe Gen 3 x4 (transforms to PCIe Gen 3 x8 when 2nd CPU is installed)
Slot 2
PCIe Gen 3 x16
Slot 3
PCIe Gen 3 x16 (available ONLY when 2nd processor is installed)
Slot 4
PCIe Gen 3 x16
Slot 5
PCIe Gen 3 x4
Slot 6
PCIe Gen 3 x16 (available ONLY when 2nd processor is installed)
Slot 7
PCIe Gen 3 x4
NOTE: 
The PCIe x4 and PCIe x8 connectors are open ended, allowing a PCIe x16 card to be seated in the slot.
 
Expansion Bays
(4) Internal 8.89 cm (3.5 in) bays
(2) External 13.33 cm (5.25 in) bays
(1) 9.5 mm (0.37 in) slim optical disk drive bay