Seagate 3.5" 4TB HDD

Seagate brings over 30 years trusted performance and reliability to the Seagate Desktop HDD - now avaliable in capacities up to 8TB
Increase your capacity and drive down costs with up to 1.33TB-per-disk hard drive technology
SATA 6Gb/s interface optimises burst performance
Seagate AcuTrac servo technology delivers dependable performance
Free DiscWizard software enables high capacities on legacy PC BIOS systems
Seagate Secure models provide hardware-based data security and deliver an Instant Secure Erase feature for safe, fast and easy drive retirement
Support the Trusted Computer Group

Specifications:
Interface Options (with NCQ): SATA 6Gb/s
SATA Transfer Rates Supported (Gb/s): 6.0/3.0/1.5
Average Data Rate, Read/Write: 146
Max Sustained Data Rate, OD Read (MB/s): 180
Cache, Multisegmented (MB): 64
Bytes per Sector: 4096
Load/Unload Cycles: 300,000
RoHS Compliance: Yes
Height (mm/in, max): 26.11/1.028
Width (mm/in, max): 101.6/4.0
Depth (mm/in, max) 146.99/5.787