HP 713974-001 - 4TB SAS hard disk drive (HDD) - 7,200 RPM, 3.5-inch form factor, 6Gb/s transfer rate Retail
HP 752678-001 - 2TB SATA hard drive - 6 Gb/s transfer rate, 7,200 RPM, 3.5-inch large form factor (LFF), midline (MDL) Retail
HP 637742-001 - 1GB SATA Hard Drive Disk (HDD) - 7,200 RPM, 3.5in form factor, 3Gb per second transfer rate Retail