Amazon.com: 120W AC/DC Adapter Compatible with HP Slim ProOne 400 G2,693709-001,826554-001 AIO PC Power Supply Battery Charger Cord PSU : Electronics
parts-quick 8GB Memory for HP ProDesk 400 G2 Desktop Mini PC DDR4 2133MHz SODIMM RAM at Amazon.com
Amazon.com: New Genuine PS for HP ProDesk 400 G4 180W Power Supply 901765-001 : Electronics
Amazon.com: HP ProDesk 400 G3 Small Form Factor, Intel Core Quad i5 6500 up to 3.6 GHz, 16GB DDR4, 512GB SSD, WiFi, BT 4.0, DVDRW, VGA, DP, Windows 10 Pro 64-Multi-Language Support
Amazon.com: Kircuit 65W AC/DC Adapter Compatible with HP ProDesk 400 G2 TPC-PO58-DM TPC-P058-DM Original Power Supply Cord Charger : 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: HP ProOne 400 G2-AIO 20 HD+, Core i5-6500 3.2GHz, 8GB RAM, 240GB Solid State Drive, DVD, Windows 10 Pro 64bit, (RENEWED) : Electronics
Amazon.com: HP ProDesk 400 G2 Mini Desktop PC, Intel Quad Core i5-6500T up to 3.1GHz, 16G DDR4, 500G, WiFi, BT 4.0, Windows 10 Pro 64 Bit-Multi-Language Supports English/Spanish/French(Renewed) : Electronics
Amazon.com: CPU Cooling Fan for HP 400 G2 600 G2 800 G2,Compaitible 730366-001 759763-001 781731-001 810571-001 810572-001, 4PIN : Electronics
Amazon.com: HP ProDesk 400 G2 Mini Desktop PC, Intel Quad Core i5-6500T up to 3.1GHz, 16G DDR4, 500G, WiFi, BT 4.0, Windows 10 Pro 64 Bit-Multi-Language Supports English/Spanish/French(Renewed) : Electronics
Amazon.com: HP ProOne 400 G2 20" Non Touch All in One PC 4GB RAM (Scuffs/Scratches) : Electronics
Amazon.com: HP ProDesk 400-G2 Mini Desktop, Intel Core i5-6400T, 2.2GHz,16GB DDR4, 512GB Solid State Drive, Win10Pro (Renewed) : Electronics