Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD 5400 RPM 256MB Cache: From the manufacturerBACKUP AND SHAREDesigned for small or medium-sized businesses ideal for archiving and sharing with up to 14TB and built for up to 8-bays.Tackle Intensity with WD Red PlusPacked with power to handle the small- to medium-sized business NAS environments and increased workloads for