“Does the PC have the adapter for SSD Hard drive, and is the wifi a card, or a usb doggle, and is the 16gb of ram one stick or 2 8rg sticks?”

HP - Refurbished Excellent - ProDesk 600G4 Mini Desktop PC, Intel Core i5-8500T, 16GB DDR4 RAM, 512GB NVMe SSD, Built in Wi-Fi 6E & BT, Win11 Pro - Black