I do not have a desktop to test these so they are being sold as is

The product consists of two Seagate Barracuda 2000 Gigabyte hard drives and two Hitachi Ultrastar 1 Terabyte hard drives. Both Seagate and Hitachi are reputable brands known for their high-quality internal desktop drives. With a total storage capacity of 6TB(2TB per Seagate and 1 TB per Hitachi this product is ideal for those in need of large storage solutions for their computer systems. The Barracuda product line from Seagate ensures reliability and performance, making it a popular choice among users looking to upgrade their storage capacity.