Refurbished: HP Workstation Z240 SFF Desktop PC, Intel Core i7-6700 up to 4.20GHz, 32GB RAM, 1TB SSD, WiFi & Bluetooth, Wired Keyboard and Mouse, Windows 10 Pro 64-bit - Newegg.com
HP EliteDesk 800 G3 Computer Desktop PC with RGB lights, Intel Core i7-6700, 16GB RAM, 256GB M.2 SSD (Fast Boot), 1TB HDD - Refurbished
Gaming benchmarks: Skylake Core i7 hyperthreading test | Overclock.net