WD HC530 WUH721414ALE604 14TB SATA 6G 3.5" 7200RPM Enterprise Hard Drive
[ G01-1445-CRB-1YR ] Western Digital Ultrastar DC HC520 WUH721414ALE604 (0F31152) 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5" Datacenter Hard Drive (Certified Refurbished) - 1 Year Warranty. Why does helium make a di erence?.