Pentium 4 423 Socket Type Single Core Processors for sale | eBay
Socket 423 | it_pro084 | Flickr
File:Socket 423 Top View.jpg - Wikimedia Commons
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