Seagate

Seagate 2TB Desktop Internal HDD Baracuda (ST2000DM008)
Key Features
Brand:Seagate
Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives
Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors
The go to SATA hard drive solution for nearly every PC application—from music to video to photo editing to PC gaming
Confidently rely on internal hard drive technology backed by 20 years of innovation
1 Year Warranty

Seagate 4TB SkyHawk Surveillance Hard Drive – ST4000VX013
Key Features
Brand:Seagate
4TB Storage Capacity
3.5″ Form Factor
SATA III 6 Gb/s Interface
256MB Cache
Up to 180 MB/s Sustained Transfer Rates
600,000 Load/Unload Cycles
180TB per Year Workload Rating
1 Million Hours MTBF
Designed for 24/7 Surveillance
Supports up to 64 HD Cameras
1 Year Warranty

Seagate 6TB Skyhawk 3.5″ Surveillance HDD (ST6000VX001)
Key Features
Brand:Seagate
6Gb/s 64MB Cache 3.5-Inch Internal Drive
Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads
Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems
Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher)
1 Year Warranty