Offering a rotational speed of 7, 200 RPM, this drive provides fast disk access.
Featuring SATA interface, this hard drive delivers enhanced data transfer speeds. Please note the following restrictions: VMware does not support 512e or 4Kn hard drives.
4Kn hard drives are only supported on Win and UEFI my experience Dell Inspiron 15r 5521 Wireless works better in Windows 8 x64. but this is my experience Direct Request support, order part replacements and become certified for your product.