Comes with New HP mouse and Power Supply with UK power Plug (This is a UK model) This comes complete with Optional VGA, never been used but is unboxed.
Windows 10 Pro 64
7th Generation Intel® Core™ i5 processor
Intel® Core™ i5-7500 with Intel HD Graphics 630 (3.4 GHz, up to 3.8 GHz with Intel Turbo Boost, 6 MB cache, 4 cores)
Intel® Q270 Chipset
8 GB DDR4-2400 SDRAM (1 x 8 GB)
256 GB PCIe® NVMe™ TLC SSD
Integrated: Intel® HD Graphics 630
LANIntel® I219LM Gigabit Network Connection LOM
WLANIntel® 8265 802.11ac (2x2) wireless with Bluetooth® M.2 combo card vPro™
Ports
Front:
1 USB 3.1 Type-C™ (charging)
1 USB 3.1 Gen 1
1 USB 3.1 Gen 1 (charging)
1 Headphone connector
Universal audio jack with CTIA headset support
Back:
1 external antenna connector
4 USB 3.1 Gen 1
1 RJ-45
1 power connector
2 DisplayPort™ 1.2
1 VGA

see

http://www8.hp.com/emea_middle_east/en/products/desktops/product-detail.html?oid=15820505#!tab=specs