The HP XW4600 Core 2 Duo 2.6Ghz 4Gb Ram, 300Gb Hdr Tower is in in stock at Calhoun Technologies. For over 10 years Calhoun Technologies has been saving companies likes your up to 80% off list price on hard to find computer hardware. Manufacturer: HP Part Number: XW4600 Details: HP XW4600 Core 2 Duo 2.6Ghz 4Gb Ram, 300Gb Hdr Tower