OP did ask for a Hard Drive Disk.
and you can pick up a 1TB, used, for around $80 on ebay.
off topic
Western Digital – Effective date on January 2nd, 2012.
Desktop and Mobile (Blue and Green family lines) change from 3 years to 2 years. Black product line will remain at 5 years warranty. Enterprise class products stay at 5 years warranty.
Product Line Limited Warranty Period
(as of January 02, 2012)
Desktop & Mobile – WD Blue and WD Green 2 years
Seagate – Effective date on December 31, 2011.
Major Desktop and Mobile products change from 2 years to 1 years and 5 years to 3 years. Most of the Enterprise class product will be reduced warranty period from 5 years to 3 years.
Product Line Limited Warranty Period
(as of December 31, 2011)
Constellation®.2 and Constellation® ES.2 3 years
Barracuda® and Barracuda® Green 3.5†Drives 1 year
Barracuda® XT 3 years
Momentus® 2.5†Drives (5400 RPM & 7200 RPM) 1 year
Momentus® XT 3 years
SV35 Seriesâ„¢ - Video Surveillance 2 years
Pipeline HD® Mini, Pipeline HD® 2 years