The product is a lot of 2 HP 4TB SATA 7.2K RPM 3.5" hard drives, model numbers MB4000GCWDC and ST4000NM0033. These internal server hard drives are compatible with enterprise servers, NAS systems, and other configurations. With a storage capacity of 4TB and a cache of 128MB, these silver-colored drives offer reliable performance and storage capabilities. The drives are designed for HDD-only storage and have a SATA 6Gb/s interface, making them suitable for various server and networking applications. Made in Thailand, these HP and Seagate drives come with a 1-month manufacturer warranty.Pulled from a working environment.All units have good health.