https://www.easyshoppi.com/product/western-digital-8tb-wd-black-performance-internal-hard-drive-hdd-7200-rpm-sata-6-gb-s-256-mb-cache-3-5/
Western Digital 8TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5"