Both 1TB drives for around $50.
http://www.amazon.com/Seagate-Desktop-3-5-Inch-Internal-ST1000DM003/dp/B005T3GRNW/ref=sr_1_1?ie=UTF8&qid=1427160814&sr=8-1&keywords=1tb+seagate
http://www.amazon.com/Green-1TB-Desktop-Hard-Drive/dp/B006GDVREI/ref=sr_1_1?ie=UTF8&qid=1427160889&sr=8-1&keywords=1tb+green
http://www.amazon.com/Seagate-Desktop-3-5-Inch-Internal-ST1000DM003/dp/B005T3GRNW/ref=sr_1_1?ie=UTF8&qid=1427160814&sr=8-1&keywords=1tb+seagate
http://www.amazon.com/Green-1TB-Desktop-Hard-Drive/dp/B006GDVREI/ref=sr_1_1?ie=UTF8&qid=1427160889&sr=8-1&keywords=1tb+green