HP Compaq Elite 8300 Desktop Motherboard 656941-001 657096-001 657096-501
Solved: Upgrading HP Elite 8300 SFF - HP Support Community - 8509911
Amazon.com: HP Elite 8300 SFF Small Form Factor Business Desktop Computer, Intel Quad-Core i7-3770 up to 3.9Ghz CPU, 8GB RAM, 256GB SSD, DVD, USB 3.0, Windows 10 Professional (Renewed) : Electronics
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656933-001 HP System Board (MotherBoard) Socket-LGA 1155 for Elite 8300 SFF Microtower Desktop PC (Refurbished)