Business grade desktops are typically built to a higher standard (build quality) than consumer models for the home market.

It will be supplied with your choice of either a fresh installation of Windows 7 Professional (64bit) or Windows 10 Professional (x64) Activated and ready to use. It comes with a genuine Windows 7 Professional COA (Certificate of Authenticity aka a license key)

All drivers and updates are installed, along with Adobe Reader, Flash Player, Java, Skype, VLC Player and Microsoft Security Essentials.

HP Compaq 8200 Pro - High Spec Core i5 Quad Core

Features:

• Processor: Intel® Core™ i5-2400 Processor (6M Cache, up to 3.40 GHz) Quad Core
• Memory: 4GB (DDR3) (Upgrade options below)
• Hard Drive: 250GB Sata (Upgrade options Below)
• Optical Drive: CD/DVD Writer
• Audio: IDT High Definition
• Networking: Integrated Intel® 82578DM GbE Ethernet LAN 10/100/1000
• Ports: 2x PS2, 10x USB 2.0, DVI-D, Displayport, (Dual VGA or Dual Displayport optional) Serial (RS232), Ethernet (RJ45) Speakers Out, Line In / Mic
• 90 Days Hardware Warranty (RTB)

This is the Small Form Factor Version (SFF) Dimensions are as follows:

Height: 100mm Width: 338mm Depth: 379mm Weight: 7.7kgs

Upgrade Options:

Upgrade to 8GB of Ram (add $75) or 16GB (add $195) Upgrade to a 1TB (1000GB) HDD (add $100) Upgrade to a 2TB (2000GB) HDD (add $150) Upgrade to a 3TB (3000GB) HDD (add $200) Upgrade to a new Samsung 850 EVO SSD (120GB - add $160) (250GB - add $240) (500GB - add $420) Upgrade to a Samsung 840 EVO SSD (250GB - add $180) (500GB - add $300) Upgrade to a ATI Radeon R5 230 with 1GB GDDR3 and VGA, DVI and HDMI Outputs (add $90)

Add-On Options:

Add a Wireless Keyboard and Mouse (add $40) Add WiFi / Wireless Capability (add $50)  Add USB 3.0 Capability (add $40)

More info available here: http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04168353

Feel free to ask any questions!