Compaq 258574-B21 External Diskette Drive. New.

Compaq 258574-B21 External Diskette Floppy Drive Case. New. 258598-001. Provides Use of Diskette Drive While Freeing Up Dual Bay For an Extra Battery. Easily Attaches to Your Parrallel Port. Designed For Compaq Armada 4100 Family of Personal Computers, but it can be used with others brands if it has a Parallel Port. Diskette Drive is not included. Retail Box. Free US Shipping.