
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, and 1600MHz DDR3
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
16
UDIMM
4GB
4GB
4GB
4GB
32
UDIMM
4GB 4GB 4GB 4GB 4GB 4GB 4GB 4GB
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
Memory Configuration
(Supported)
Only ECC DIMMs are supported.
Note on Maximum
Memory
*Maximum memory capacities assume 64-bit operating systems such as Genuine Windows® 7 Ultimate
64-bit or Genuine Windows® 7 Professional 64-bit. Genuine Windows® 7 Professional 32-bit supports up to
4GB. Linux 32-bit supports up to 8GB.
PCI Express Connectors
2 x16 PCIe Gen3
1 x8 PCIe Gen3
1 x8 PCIe (x4) Gen2
1 x4 PCIe (x1) Gen2
PCI Connectors
(5.0V)
1 PCI
QuickSpecs
HP Z420 Workstation
System Technical Specifications
DA - 14261 Worldwide — Version 10 — September 1, 2012
Page 15
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