goHardDrive via eBay has 12TB HGST Ultrastar He12 7.2K RPM 6Gb/s SATA 3.5 Internal Hard Drive (Certified Refurbished, HUH721212ALE601) + 5-Year Seller Warranty on sale for $82.99. Shipping is free.
Note: Includes a 1-Year Allstate Warranty + a 5-Year Warranty from the Reseller.
Specs:
- 12TB Internal Capacity
- Ultrastar He12 Series
- 3.5" Form Factor
- SATA 6Gb/s Interface
- 256MB Cache
- 7.2K RPM Spindle Speed
Previous thread for info about the drives: