Seagate Barracuda 4TB 256MB SATA3 3.5" ST4000DM004

Features
3.5-Inch BarraCuda Hard Drives Deliver!

Rock-solid reliability built on over 20 years of BarraCuda innovation. Versatile mix of capacity and price point options to fit any budget. Multi-Tier Caching Technology™ for excellent hard drive performance.

Multi-Tier Caching Technology

All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). MTC takes your PC to new performance levels, so you can load applications and files faster than ever before. By applying intelligent layers of NAND Flash, DRAM and media cache technologies, BarraCuda delivers improved read and write performance by optimising data flow.

Trusted Dependability

The BarraCuda family of reliable hard drives is here to stay, for years to come.
Experience - For more than 20 years, Seagate has manufactured and delivered the super-reliable BarraCuda family of drives BarraCuda - Seagate's drive-reliability data simply speaks for itself, and the BarraCuda family is often recognised by leading publications and customers.
Specifications
Interface
SATA 6Gb/s
SATA Transfer Rates Supported (Gb/s)
6.0/3.0/1.5
Max Sustained Data Rate, OD Read (MB/s)
190
Cache, Multisegmented (MB)
256
Load/Unload Cycles
300,000
Nonrecoverable Read Errors per Bits Read, Max
1 per 10E14
Bytes per Sector
4096
Heads/Disks
4/2