Seagate Server Enterprise, Surveillance system 4 TB Desktop Internal Hard Disk Drive (HDD) (ST4000NC001)  (Interface: SATA, Form Factor: 3.5 inch)

Seagate Enterprise Value Terascale 4TB Hard Drive – ST4000NC001
Affordable, High-Capacity, Energy-Efficient Enterprise HDD
The Seagate Terascale HDD (formerly Constellation CS) offers low-cost bulk storage designed for vast amounts of unstructured data in the cloud.
Affordable storage for 24×7 cloud data center replicated environments
Maximizes storage footprint with capacities up to 4TB
Energy-efficient at under 8 watts (random read operating power) which averages 29% less than competing hard drives
Reliable enterprise rotational vibration tolerance and bad block management
Seagate Instant Secure Erase for secure, easy and cost-effective drive disposal or repurposing
Energy-Efficient, Enterprise-Class Cloud Storage
With the Terascale HDD and its low-power envelope, you can rest easier knowing your hard drives are running cool. Plus, with Seagate PowerChoice technology, you can save even more with the most economical means of storing exabytes of unstructured data in the cloud.
Enterprise-ready RV tolerance for multi-drive systems
Bad-block management (BBM)
Lowest power usage in a 3.5-inch form factor
Reduce storage costs over the long term
Secure and Easy Enterprise Drive Retirement
Lower Total Cost of Ownership (TCO) with with a Self-Encrypting Drive (SED) option and Seagate Instant Secure Erase (ISE) for easy drive retirement or disposal. Using ISE to quickly render the data on the drive completely unreadable and secure with a single keystroke — takes approximately 13ms to delete data on a 3TB capacity hard drive.