HP Prodesk 400 G3 DM Tiny Mini Micro PC G4400T 2.9G 4GB RAM 100GB SSD Win10 Pro | eBay
HP Prodesk 400 G3 DM Mini PC Motherboard 912858-001 912858-601 Win10 (BIN B1) | eBay
Amazon.com: UpBright New Global 65W 18.5V 3.5A AC/DC Adapter Compatible with HP ProDesk 400 G2 Tiny Mini Desktop PC TPC-PO58-DM TPC-P058-DM 693710-001 18.5VDC 3500mA Power Supply Cord Cable Charger Mains PSU :
QuickSpecs HP ProDesk 400 G3 DM , 400 G4 MT/SFF, 480 G4 MT Business Desktop PCs