Western Digital - 0F27468 - HDD 10TB 7200RPM SATA 6Gb/s 3.5" 0F27468 - Western DigitalUltrastar DC HC510 - Ultrastar DC HC510 10TB 7.2K RPM SATA 6Gb/s 512e 3.5in Hard Drive $2,140.16 $1,739.97