Newegg] WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD101EFBX-NE ($199

Newegg] WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD101EFBX-NE ($199

Available in capacities ranging from 1-14TB with support for up to 8 bays
Supports up to 180 TB/yr workload rate
NASware firmware for compatibility
Small or medium business NAS system