Amazon.com: HP ProDesk 400 G4 Desktop Small Form Factor Business PC, Intel Quad-Core i5-7400 3.4G,8G DDR4,240G SSD,VGA,DP,Win 10 Pro 64 bit-Multi-Language Support English/Spanish (Renewed) : Electronics
Amazon.com: Motherboard for HP ProDesk 400PD 400-G1 MT Motherboard 718775-001 : Electronics
Amazon.com: LXun D16-180P2A 180W Power Supply Compatible with HP ProDesk 800 G3 600 G3 SFF L08261-001 901763-002 901765-003 901761-003 901764-003 901763-001 901762-002 L08261-002 901771-004 901771-003 901771-002 : Electronics
Amazon.com: HP ProDesk 400 G1 Tower Computer PC, Intel Quad Core i5-4570 up to 3.6GHz, 16G DDR3, 256G SSD, DVD, Windows 10 Pro 64 Bit-Multi-Language Supports English/Spanish/French (Renewed) : Electronics
Amazon.com: HP J6D32UT ProDesk 400 G1 Micro Tower PC Desktop : Electronics
Amazon.com: Li-Sun 240W Power Supply Replacement for HP ProDesk 400 600 800 G1 G2 SFF(P/N: 702307-001,702307-002, 751884-001, 751886-001, 796351-001, 702457-001), Also Works for HP Desktop with 200W Power Supply : Electronics
Amazon.com: New Genuine PS for HP ProDesk 400 G4 180W Power Supply 901765-001 : Electronics