Product Items/Features                                                                                         
Blank box or unlisted means the component is NOT supported
RH EL WS 4.8 or later (x86 & EM64T)  RH EL DT 5.3 or later (x86 & x86_64)  SLED11 or later (x86_64) 
HP workstation base system
Base system includes: Chassis, System Board, USB, Power Supply, etc.
•••
Localization Kit (See footnote 1)
HP localization kit
•••
Software
Remote Graphics Software
All Supported Processors
All Supported Processors (1 & 2 CPU configs) •••
Hyperthreading
•••
Graphics Card (Video Card) (See footnote 2)
No Graphics Card
•••
NVIDIA Quadro NVS 295
•••
NVIDIA Quadro NVS450
•••
NVIDIA Quadro FX380
•••
NVIDIA Quadro FX580
•••
NVIDIA Quadro FX1800
•••
NVIDIA Quadro FX3800
•••
NVIDIA Quadro FX4800
•••
ATI v3700 PCI-E
•••
ATI v5700 PCI-E
•••
ATI v7750 PCI-E
•••
System RAM
Minimum (MB)
1GB 1GB 1GB
Maximum
16GB 16GB 8GB
Hard Disks
All Supported SAS disk drives 555
All Supported SSD disk drives •••
All Supported SATA disk drives 5,7 5,7 5,7
All Supported USB Drive Keys  •••
Network Cards (no modem support)
Broadcom 5761 PCI-Express 
•••
Intel Pro 1000 CT Gigibit PCI
•••
Intel NC360T PCIe Dual Port Gigibit NIC
•••
Onboard Components
Onboard LAN - Broadcom 5764 10/100/1000
222
Onboard Audio
•••
Onboard SATA Raid
666
Add Ons
LSI 3041E SAS Card
666
LSI 8888 ELP
666
IEEE 1394 PCI Card
All non-Raid U320 SCSI Controllers 
•••
SATA Controllers
Creative Sound Blaster X-Fi 
Hardware Raid
666
Removable CD/DVD Media
HP 16x DVD-ROM Drive
•••
HP 16x Super Multi DVD+RW
444
HP BD-RE (writer)
•••
Input/Output Devices  (no spaceball support)
HP 3-Button Mouse, PS/2
••8
HP Scroll Mouse, PS/2
••8
HP Optical Scroll Mouse, USB
••8
HP Standard Keyboard, USB
••8
Modular keyboard/ TPM module/ Smart card
HP Printers
889
All supported monitors
•••
footnote 9 - Hyperthreading is supported on platforms when the processor allows it. There are one or two low-end processors which don't support turbo mode or hyperthreading.  
Hardware Support Matrix for Current HP Linux Workstations    
Z400 Red Hat Linux Support
First time support begins with RHEL4.7 (x86 & x86_64), RHEL5.3 (x86 & x86_64), and SLED 11 (x86_64)
footnote 1 - Localization supported: (ABA US English, ABC French Canadian, ABD Germany, ABE Spain, ABF France, ABG Australia,  ABU UK English, ABJ Japan, AB2 China(PRC), AB4 Singapore/ Malaysia, ABZ Italy, AB5 Hong Kong, ACF Japan-English, ACJ India-English,           
AB0 Taiwan, AK6 Europe A4, AC0 Belgium, ABS Sweden, ABB Int'l English)
footnote 2 - Get the latest drivers, "HP Installer Kit for Linux - HP Driver CD for Red Hat Enterprise Linux 4.7",  "HP Installer Kit for Linux - HP Driver CD for Red Hat Enterprise Linux 5.3", and   "HP Installer Kit for Linux - HP Driver CD for SuSE Linux Enterpise Desktop 11"  ISO image
http://www.hp.com/support/z400 (substitute correct platform name);  Select "download drivers and software";
footnote 3 - 290 NVS PCI card may be used alone or with another card.  See instructions at http://hp.com/support/linux_user_manual -> 'Multi-Monitor Configurations on HP Linux Workstations'.
footnote 4 - Linux growisofs supports DVD+RW on Red Hat EL WS 4 or later, Red Hat EL 5 Desktop or later and SLED11 or later. For drives that have the Lightscribe funtionality, the labeling functionality is not supported.
footnote 5 - Mixed hard drives are not offered on the preload. Use SATA or SCSI, not both.  We do offer mixed drives on the HPIKL (FreeDos) configuration.
footnote 6 - Hardware RAID is supported using the LSI 3041E (RAID 0,1 SAS Only) and the LSI 8888 ELP (RAID 0,1, 5 SAS Only).  SATA Raid is not supported.
footnote 7 - The xw4600 can support up to 4 SATA drives, in order to support the 3rd and 4th SATA drive the customer will need the Optical Bay Conversion Kit for each drive.
footnote 8 - For more info about Linux driver support for HP Printers please visit http://www.hplip.net