Rentech

HP Pro 3130
Intel® Core™ i3-540 Processor (3.06 GHz, 4 MB cache), 4 GB RAM, 500GB HDD
HP Elite 7500
Intel Core i5-3570 Processor (3.4 GHz, 6MB cache)
 HP Elite 8300
Intel® Core™ i5-2500 (3.30 GHz, 6 MB cache, 4 cores), 1 TB HDD, 8GB RAM, Genuine Windows® 7 Professional 64\n
HP Pro 4000
Intel® Pentium® Dual-Core Processor E5800 (3.20 GHz, 2 MB L2 cache, 800 MHz FSB), 4GB RAM, Windows 7 Professional