Standalone PC: • Windows XP Pro, 2000 Pro, 98, or 95 with the latest Remote Desktop client software installed. Make sure the Hard Disk Write Cache is disabled.• 500Mhz or faster CPU• 128MB or more RAM• Fast Ethernet NIC Up to 15 users:• Windows 2003 Server using Terminal Services mode• Single Xeon CPU• 2GB or more RAM• SCSI RAID drive configuration with 18GB or more• DAT tape drive for offsite backup• MS Excel for financial statement exports• GB Ethernet NIC 16 to 25 users: • Windows 2003 Server using Terminal Services mode • Dual Xeon CPUs • 4GB or more RAM • SCSI RAID drive configuration with 18GB or more • DAT tape drive for offsite backup • MS Excel for financial statement exports • GB Ethernet NIC 26 to 35 users: • Windows 2003 Server using Terminal Services mode • Quad Xeon CPUs • 6GB or more RAM • SCSI RAID drive configuration with 18GB or more • DAT tape drive for offsite backup • MS Excel for financial statement exports • GB Ethernet NIC Over 35 users: If you have more than 35 users, you will need to have multiple connectivity servers. Use the specs for the 20-25 or 30-35 user systems listed here for each of the connectivity servers, splitting the users between them.