This product is either discontinued or we cannot get that from suppliers.
Western Digital WD10EFRX, SATA 6 Gb/s, Formatted capacity 1,000,204 MB, Form factor 3.5-inch, Data transfer rate Buffer to host (max) 6 Gb/s, Host to/from drive (typical) 150 MB/s, Cache 64MB, IntelliPower, Non-recverable read errors per bits read