HP Compaq Desktop PC 8100 Elite(LA007UT#ABA) Intel Core i7 870 (2.93GHz) 4GB DDR3 1TB HDD Windows 7 Professional 64-bit - Newegg.com
Refurbished: HP Compaq 8100 ELITE SFF PC, Intel Core i5-650 @ 3.2GHz, 4GB RAM, 500GB HDD, Windows 7 Pro - Newegg.com
HP 505802-001 Elite 8100 SFF LGA 1156/Socket H DDR3 SDRAM Motherboard at TR Reuse Group
Refurbished: R2/Ready for Reuse HP Compaq 8100 Elite Small Form Factor Desktop PC - Intel Core i5 650 3.20GHz, 4GB RAM, 160GB HD - Windows 7 Professional - Newegg.com