Seagate ST4000DM004, 4TB Capacity, SATA 6Gbps, 3.5in, 256MB cache. Combining state-of-the-art technology and industry-leading manufacturing expertise, the 14th generation of this award-winning desktop hard drive family delivers 4TB of high-performing, eco-friendly digital storage. Designed with industry-leading acoustics and low power levels. 

Stay on top of your game with this Seagate BarraCuda 3.5-inch 4TB desktop hard drive. Advance power saving reduces the stress on your system, while Multi-Tier Caching Technology provides advanced functionality to reduce data transfer times and help eliminate bottlenecks when it comes to disk writing, such as during updates. The 3.5-inch form factor makes it easy to slot into standard desktop, home servers and rack-mount systems. Thanks to the SATA III connectivity, burst performance is improved, and an internal data rate of 190MB/sec. enables rapid reordering. This Seagate BarraCuda 3.5-inch 4TB desktop hard drive has a 5400 rpm spindle speed to reduce noise.

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.