This drive has been tested and works as expected ,  it's been formatted to ext4 . This 74GB Western Digital hard drive is a great addition to your computer storage. It is a SATA hard drive that has been formatted and partitioned for your convenience. With a reading and writing speed that is sure to impress, this hard drive is perfect for storing your important files and data. Its model name is Raptor, making it a reliable and trusted brand that you can count on. Whether you're looking for more space to store your documents or media files, this hard drive is a great choice for you.