Seagate Hard Drive 4TB 7.2K Dual Port SAS (ST4000NM0023) details The Seagate SAS hard drive with a capacity of 4TB is ideal for taking your system to the next level! Increase capacity, speed and responsiveness of your system with this large capacity drive. This large form factor Seagate drive runs at a speed of 7200 RPM providing reliability for your system, and has a transfer rate of up to 6Gbps. Hot swap hard drive to minimise system downtime Seagate is known for its manufacture of high quality hard drives. The ST4000NM0023 drive is hot swappable, which means that you can conveniently remove the drive whilst your system remains in operation. Multi-stage testing process ensures as good as new performance Our testing procedures ensure that every piece of equipment we refurbish is resold in excellent condition and performs to its maximum capabilities. We offer a Techbuyer extended warranty on all our hard drives, reflecting the confidence we have in our products. We pride ourselves on providing the highest levels of customer service, so if you have any questions please get in touch. If you're looking for something else, take a look at our full range of Hard Disk Drives.