Amazon.com: MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty : Electronics
Amazon.com: MDD (MDD6TSATA25672DVR) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Surveillance Hard Drive - 3 Years Warranty : Electronics
WD Black 6TB HDD-7200RPM | ProSoft
Buy the Western Digital Black WD6003FZBX Gaming Hard Drive - Drive Solutions
P02268-001 HP 6TB 7200RPM SATA 6Gbps 3.5-inch Internal Hard Drive