IronWolf is designed for everything NAS. Get used to tough, ready and scalable 24x7 performance that can handle multi-drive environments. This drive has a capacity of 6 TB. High performance means no lag times or downtime for users during high traffic time for the NAS. Seagate leads the competition with the highest performance in NAS-class drives. Do more with multi-user technology. Enables user workload rate of 180TB/year. Multiple users can confidently upload and download data to the NAS server, knowing it can handle the workload, whether you're a creative professional or small business.The ST6000VN0041 hard drive from Seagate features 6TB of storage size in a 3.5" form factor. This drive connects to your system via the SATA 6 Gb/s interface so make sure you have an available port on your compatible motherboard. Advanced features of this HDD include a 128MB cache/buffer and 7200 rotational spin rate.