Seagate Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512e SATA 6Gb/s 128MB Cache Internal Hard Drive ST4000NM0115 - Newegg.com
Toshiba P300 3.5" 4TB 5400 RPM SATA III HDD (HDWD240UZSVA) - Bleepbox
4TB, 3.5" SATA Hard Disk, 7,200rpm, 128M ST4000VX002, 1RT168-500 Seagate ST4000VX002 HDD 3.5" SATA 4TB - 6TB. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
ST4000NM0023 Seagate 4TB 3.5 inch SAS Server Enterprise Hard Drive