The Intel 4000725-1 Mb,Gateway Pentium4 Socket.423 Motherboard, Part 4000725, (52-M4 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: Intel Part Number: 4000725-1 Details: Intel 4000725-1 Mb,Gateway Pentium4 Socket.423 Motherboard, Part 4000725, (52-M4