QuickSpecs
HP Z8 G4 Workstation
System Technical Specifications
c05527763 — DA - 15956 Worldwide — Version 3 — November 1, 2017
Page 17
System Board
System Board Form
Factor
Custom Form Factor, 16.34”x15.25” (415mm x 387.2mm )
Processor Socket
Dual FCLGA3647 (Socket P)
CPU Bus Speed
UPI: Up to 10.4GT/second, depending on processor
Chipset
Intel® C622 Chipset
Super I/O Controller
Nuvoton SIO15
Memory Expansion
Slots
24 slots (12 slots per CPU)
Memory Type
Supported
DDR4 R-DIMM (Registered), ECC: 8GB, 16GB, and 32GB
DDR4 LR-DIMM (Load Reduced), ECC: 64GB (128GB and 256GB added after initial release)
Memory Modes
NUMA (Non-Uniform Memory Architecture), Memory Node Interleave
Memory Speed
Supported
2133MT/s, 2400MT/s, and 2666MT/s
Memory Loading Order:
Load Order for Single and Dual Processor Configuration
Maximum Memory
Supports up to 768GB using RDIMMs
Supports up to 3TB using LRDIMMs*
Memory Configuration
(Supported)
Only ECC Registered DIMMs are supported.
RDIMM (Registered) and LR DIMM (Load Reduction) memory cannot be mixed. All memory
installed in the system must be either RDIMM or LR DIMM.
Do not install memory modules into memory slots if corresponding processor is not installed.
Dual processor configurations with memory modules installed for only one processor is not
supported.
Notes
For systems installed with 32 bit operating systems, the max accessible system memory is 4GB.