NeweggBusiness - HP Laptop ProBook Intel Core i5 7200U (2.50GHz) 8GB Memory 500GB HDD Intel HD Graphics 620 17.3" Windows 10 Pro 64-Bit 470 G4 (Z1Z74UT#ABA)
HP ProBook 470 G4 17.3" Genuine Laptop Palmrest w/Touchpad 3ZX84TP103A
parts-quick ( 1 X 4GB) Memory for HP ProBook 470 G3, 470 G4, 470 G5 DDR4-2400 SoDIMM Upgrade - Walmart.com
For Hp Probook 450 470 G4 907715-601 907715-001 W I7-7500u Cpu Da0x83mb6h0 W 2g N16s-gmr-s-a2 Motherboard Mainboard Tested - Laptop Motherboard - AliExpress
For Hp Probook 440 450 470 G4 I5-7200u Laptop Motherboard Da0x83mb6h0 Sr2zu Ddr4 Notebook Mainboard - Laptop Motherboard - AliExpress
HP ProBook 470 G4 i5-7200U 2.50GHz Motherboard 907714-601 | eBay