Tower/Intel® Core™2 Duo processor E7400 2.80GHz/3MB L2 Cache/ DRAM 1024MB/800MHz/PC6400(1x1024MB)/ 250GB (7200RPM) SATA/ DVD Multiburner/ Intel GMA X4500 Integrated/ Marvell® 8056 Gigabit Ethernet/ DOS/ 1 Year Parts & Labour /1 Year Onsite

Intel®Core 2 Duo Processor E7200 2.53 Ghz/3MB L2Cache / Chipset Intel G31 Express / 1024 MB/667 Mhz/PC5300(1x1024MB)/ 250GB 7200RPM SATA HDD / DVD Multiburner / DVMT Intel GMA 3100 Intergrated/ NIC 10/100, Modem, Card reader 16 in 1 / FREE - DOS / PS/2 Keyboard & PS/2 Mouse

Tower/Intel® Core™2 Duo processor E7400 2.80GHz/3MB L2 Cache/ DRAM 1024MB/800MHz/PC6400(1x1024MB)/ 250GB (7200RPM) SATA/ DVD Multiburner/ Intel GMA X4500 Integrated/ Marvell® 8056 Gigabit Ethernet/ DOS/ 1 Year Parts & Labour /1 Year Onsite

M58e/Tower/Intel® Core™2 Duo processor E7400 2.80GHz/3MB L2 Cache/ DDRAM 2GB/800MHz/PC6400(1x2048MB)/ 160GB (7200RPM) SATA/ DVD Multiburner/ Intel GMA X4500 Integrated/ Marvell® 8056 Gigabit Ethernet/ Genuine Microsoft Windows® XP Professional with Vista® Business 32 Licence/ 3 Years Parts & Labour

Quad-Core Intel® Xeon ® Processor E5405 2.0Ghz (1333Mhz/ 2x6M L2, 1/2), RAM 2GB (2 x 1GB) PC10600 ECC Memory DDRIII-1333Mhz, 2/16 (Max 128GB), NO HDD (Support SAS/SATA HDD 2.5 inch (Max 12 bays with Drive Enablement kit) , SAS/SATA controller, 6 hot-swap bays, Dual Channel SAS controller, Server Raid 8k optional, supports RAID 0/1/10, Dual 10/100/1000 Gigabit Ethernet, Broadcom 5709C 2 PCI-E 8x, 2 -PCI -X,ATI RN50 (ES1000) 16MB DDR, CD-RW/DVD (Combo) , No FDD, , Keyboard & Mouse (USB), 675W (1/2) PWS, PC: DOS, China /Taiwan - (Warranty 01 year Keyboard + Mouse )