QuickSpecs

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
Supported Drive
Interfaces
SATA Integrated 6-channel SATA interface (2@6Gb/s, 4@3Gb/s). Supports RAID 0, 1,
5, 10 and NCQ. Factory integrated RAID is Microsoft Windows only.
Integrated RAID NOTE: Requires identical hard drives (speeds, capacity, interface)
Integrated Graphics No
Network Controller Integrated Intel 82579 Gbit LAN
Supports the following management functionalities: Intel AMT7.0, TXT, DASH 1.1, WOL, and PXE 2.1
External SATA (eSATA) 6 ports are eSATA configurable with optional eSATA After-Market Option cable kit.
IDE connector No
Floppy connector No
Serial 1 internal header
2nd Serial No
Parallel No
AUX IN (audio) No
IEEE 1394 Connector(s) Front 1 IEEE 1394a standard
Rear 1 IEEE 1394a standard;
2 IEEE 1394b (requires optional PCIe card)
Internal No
USB Connector(s) Front 2 USB 3.0
1 USB 2.0
Rear 2 USB 3.0
4 USB 2.0
Internal 6 USB 2.0 ports available by three separate 2x5 headers: each header
supports either one HP Internal USB Port Kit or one USB Media Card Reader.
Each Internal Port Kit has one USB 2.0 connector.
HD Integrated Audio Realtek ALC262
Flash ROM Yes
CPU Fan Header Yes
Chasiss Fan Header 1 Rear System Chassis Fan Header
Front PCI Fan Header Yes
Front Control
Panel/Speaker Header
Yes
CMOS Battery Holder -
Lithium
Yes
QuickSpecs
HP Z420 Workstation
System Technical Specifications
DA - 14261 North America — Version 36 — March 1, 2014 Page 16