Motherboard MS-7933 for HP Pro 490 G1 G2 h81 DDR3 V1.0 755311-001 754916-001 | eBay
Specs HP ProDesk 490 G1 MT i5-4570 Micro Tower Intel® Core™ i5 4 GB DDR3-SDRAM 500 GB HDD Windows 7 Professional PC Black PCs/Workstations (D5T62EA#ABD#*APACK*)
Specs HP ProDesk 490 G1 MT i7-4770 Micro Tower Intel® Core™ i7 4 GB DDR3-SDRAM 1000 GB HDD Windows 7 Professional PC Black PCs/Workstations (D5T67EA)
HP ProDesk 490 G1 Microtower PC : Illustrated Parts & Service Map HP ProDesk 490 G1 Microtower : Page 4
HP ProDesk 490 G3 Microtower – Specs and upgrade options
For HP ProDesk 498 490 G1 Motherboard MS-7860 718772-001 718412-001/501 | eBay