QuickSpecs

QuickSpecs
HP Z420 Workstation
System Technical Specifications
c04111468 — DA – 14261 Worldwide — Version 40 — January 1, 2015
Page 14
System Board
System Board Form
Factor
ATX 243.84 x 304.8 mm (9.6 x 12 inches)
Processor Socket
Single LGA2011
CPU Bus Speed
QPI: Up to 8.0GT/sec
Chipset
Intel® C602 Chipset
Super I/O Controller
Nuvoton NPCD379H (SIO-12)
Memory Expansion Slots
8 DDR3 memory slots
Memory Type Supported
DDR3, UDIMM (Unbuffered), ECC
Memory Modes
Channel Interleaved
Memory Speed
Supported
1066MHz, 1333MHz, 1600MHz, and 1866MHz
Memory Protection
ECC available on data, parity on address and command
Memory
Memory Configuration
Table
Please refer to the table below for details on how supported memory configurations are installed in
your system.
Front Slots
Rear Slots
Capacity
(GB)
Type
DIMM
1
DIMM
2
DIMM
3
DIMM
4
DIMM
5
DIMM
6
DIMM
7
DIMM
8
2
UDIMM
2GB
4
UDIMM
2GB
2GB
6
UDIMM
2GB
2GB
2GB
8
UDIMM
2GB
2GB
2GB
2GB
16
UDIMM
2GB
2GB
2GB
2GB
2GB
2GB
2GB
2GB
4
UDIMM
4GB
8
UDIMM
4GB
4GB
12
UDIMM
4GB
4GB
4GB
16
UDIMM
4GB
4GB
4GB
4GB
32
UDIMM
4GB
4GB
4GB
4GB
4GB
4GB
4GB
4GB
8
UDIMM
8GB
16
UDIMM
8GB
8GB
24
UDIMM
8GB
8GB
8GB
32
UDIMM
8GB
8GB
8GB
8GB
64
UDIMM
8GB
8GB
8GB
8GB
8GB
8GB
8GB
8GB
Slot Load Order
1
5
3
7
8
4
6
2
For a detailed diagram, please refer to the label located on the inside of the system side panel.
Maximum Memory
Supports up to 64GB (600W PSU) and 32GB (400W PSU)
Memory Configuration
(Supported)
Only ECC DIMMs are supported.
Note on Maximum
*Maximum memory capacities assume 64-bit operating systems such as Genuine Windows® 7 Ultimate