Intel Pentium 4 1.3 GHz (socket 423) - Hardware museum
3d model pentium-4 cpu cooler socket
New MSI 845 Pro ver: 1 MS-6529 socket 423 ATX PC motherboard main system board - NOS S423 Pentium 4 P4 Willamette AGP 4x PCI USB - Classic Computer Shop
Amazon.com: Upgradeware P478 Socket 423 to 478 Upgrade Adapter Converter Like Powerleap PL-P4/N PL-P4N : Electronics
Category:Socket 423 - Wikimedia Commons
Socket 478 - Wikipedia
Intel SL4X2 Pentium 4 1.40ghz/256/400/1.75v Socket 423 CPU Processor Pga423 for sale online | eBay