 "Seagate Desktop SSHD 4 TB Internal SSHD" " Seagate - ST4000DX001 Hard Drives CDWG.com
"Get the speed and kick of an integrated solid state drive (SSD) with the massive capacity of a desktop hard drive - all at a surprisingly low price!" 
 "Western Digital - Blue 4TB 3.5" 5400RPM Internal Hard Drive" Drive (WD40EZRZ) PCPartPicker"