HP Pavilion A1730N Desktop PC - REFURBISHED This HP Pavilion A1730N Desktop PC has been Factory-Refurbished to perform as new. It comes with HP 90-Day Warranty Coverage. AMD Athlon 64 X2 Dual-Core Processor 4600+ for TRUE Multi-tasking 2.4GHz Processor Speed 512KB+512KB L2 Cache 2000MHz System Bus Speed