Amazon and Newegg are currently offering substantial discounts on a wide selection of internal and external hard drives from Seagate and Western Digital, with prices reduced across multiple capacities. The 4TB WD Purple Surveillance is a 3.5 inch SATA III drive offering sustained transfer rates of up to 175MB s. It employs Conventional Magnetic Recording CMR with a 256MB cache buffer. The drive operates reliably between 0°C and 65°C and can be stored in temperatures ranging from –40°C to 70°C....
