HP QuickSpecs HP Z8 G4 - Detailed System Technical Specifications; System Board and Memory Architecture

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.