Quick Specs

QuickSpecs
HP Z4 G4 Workstation
System Technical Specifications
c05527757 — DA - 15954 Worldwide — Version 2 —November 1, 2017
Page 17
System Board
System Board Form
Factor
Main System Board:
27.7 x 28.0 cm
10.9 x 11.0 inches
Processor Socket
Single LGA2066 R4
Chipset
Intel® C422 Chipset
Super I/O Controller
Nuvoton NPCD315HA0DX (SIO-15)
Memory Expansion
Slots
8 DDR4 memory slots
Memory Type
Supported
DDR4, RDIMM (Registered), ECC: 8GB, 16GB and 32GB
Memory Modes
Channel Interleaved
Memory Speed
Supported
2666MT/s, 2400MT/s, and 2133MT/s
Memory Protection
ECC available on data, parity on address and command
Maximum Memory
Supports up to 256GB
Memory Configuration
(Supported)
Only Registered DIMMs are supported.
Memory Load Order
Note on Maximum
Memory
Maximum memory capacities assume 64-bit operating systems such as Windows 10 Pro 64-bit, Windows
7 Professional 64-bit. Windows 7 Professional 32-bit supports up to 4GB. Linux 32-bit supports up to
8GB.
PCI Express Connectors
Slot 1 (top):
PCI Express Gen3 x16 from CPU
Full-height, Full-length (with extender)
Slot 2 (PCH):