WebSphere 6.0 Hardware Requirements

For the list of supported Operating Systems, please see the Software Requirements page.

For AIX:

For HP-UX:

For Linux on x86:

AMD Opteron, Intel Pentium at 500 MHz or faster, or Intel EM64T (32-bit kernel support only)
Minimum 995 MB free disk space for installation (includes SDK)
Minimum 512 MB of physical memory; 1 GB recommended
CD-ROM drive

For Linux on S/390 and zSeries:

G5, G6, or MP3000 processors (31-bit kernel support only, supported for certain Linux distributions only)
zSeries processors (31-bit kernel support, supported for certain Linux distributions only, or 64-bit kernel support)

(For details on which Linux distributions are supported with 31-bit or 64-bit kernels, please see the Software Requirements page.)

For Linux on iSeries:

iSeries Models that support LPAR (64-bit kernel support only) with minimum of 450 CPW in Linux partition
Minimum 16 GB free disk space for the OS/400 partition, and 2.5 GB minimum for the Linux partition
Minimum 512 MB of physical memory; 1 GB recommended for the OS/400 partition
Minimum 512 MB of physical memory for the Linux partition
CD-ROM drive

For Linux on pSeries:

For OS/400 and i5/OS:

AS/400e server 170 with processor feature 2385 or
AS/400e server 720 with processor feature 2062 or
iSeries Model 270 with processor feature 2252 or
iSeries Model 800 with processor feature 2464 or
iSeries Model 820 with one of these processor features 2395, 2396, 2427, 2458 or
iSeries Models 520, 570, 810, 825, 830, 840, 870, 890
For simple websphere applications using JSP and servlets, the minimum recommended processor CPW is 300
For simple websphere applications using Enterprise Java beans, the minimum recommended processor CPW is 450
Minimum 1200 MB free disk space for installation
Minimum 768 MB physical memory; 1 GB recommended
2MB Level 2 Cache

For Solaris:

For Windows 2000 and 2003:

AMD Opteron, Intel Pentium at 500 MHz or faster, or Intel EM64T (32-bit Operating System support only)
Minimum 990 MB free disk space for installation (includes SDK)
Minimum 512 MB physical memory; 1 GB recommended
CD-ROM drive