A fire resistant enclosure comprising an enclosure base including a base cap and a bucket-style base body is provided. The base body includes a bottom wall with a side wall extending upwardly therefrom defining a base cavity. The side wall includes an upper peripheral edge that defines an opening in the base cavity. A data storage device positioned within the base cavity. Fire resistant insulation material is positioned within the base cavity to encapsulate the data storage device, wherein the insulation material fills the base cavity to a level below the upper peripheral edge, wherein the base cap is configured to be coupled with the base body to enclose the data storage device within the enclosure base. In another aspect, an enclosure base and an enclosure lid may be provided, wherein each include bucket-style bodies. The enclosure base and lid define a storage compartment for the data storage device.