Amazon.com: Seagate BarraCuda Internal Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024) (Renewed),Mechanical Hard Disk : Electronics
Seagate BarraCuda ST5000LM000 5TB 128MB Cache SATA 6.0Gb/s (15MM) 2.5" Internal Hard Drive (for Computer Desktop PC or Tivo) - 2 Year Warranty - Walmart.com
4TB Seagate Barracuda ST4000LM024 2.5" SATA III Hard Drive 15mm | eBay