A:AnswerYou can easily add WiFi capability to this device by using a WiFi USB adapter, similar to this one:
http://www.bestbuy.com/site/netgear-ac1200-wireless-ac-high-gain-wi-fi-usb-3-0-adapter-black/8860004.p?skuId=8860004
A:AnswerThere is only one 3.5" bay for a hard drive. You could replace the existing hard drive with a larger one but there is no open bay for a second hard drive.
A:AnswerThis refurbished model has integrated graphics processing within the Intel Core I-3-2100 processor within the device. It is the Intel HD Graphics 2000 version.
A:AnswerBecause this is a refurbished system, we recommend you contact Best Buy directly for information about this specific model. You may want to call your local store for quicker response.