BarraCuda 4TB 2.5" Internal Laptop Hard Drive, 5400 RPM, SATA 6Gb/s, Up to 140MB/s Data Transfer Rat ST4000LM024
WD Red NAS Hard Drive, Internal Hard Drive (2 TB to 6 TB) | Western Digital
ATX4OR80 Quantum Storage Hard Drive
WD Blue Mainstream 4TB 5400 RPM SATA III 6Gb/s 3.5" Internal SMR Hard Drive - Micro Center
Toshiba P000258800 - 4GB 5.4K IDE 2.5" Hard Disk Drive (HDD) - CPU Medics
Dell 4TB 7.2K RPM SATA 6Gbps 3.5in Hot-plug hard drive
A33536 HP Storage Hard Drive
19K1643 IBM 4GB ATA/IDE 3.5-inch Internal Hard Drive
Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics
Amazon.com: MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5in Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty, Mechanical Hard Disk : Electronics
44X2451 IBM 450GB 15K RPM 4GB FC Hard Drive
STT520HD/4000 SimpleTech Storage Hard Drive
9EA004-046 | Seagate Cheetah NS 400GB 10000RPM Fibre Channel 4GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com