This is a OEM DATA CTGS / TAPES / DISKETTES HEWLETT-PACKARD brand Data Storage Supply (LTO) that works with the following printers / machines (LTO DATA TAPES). This is a Data Storage Supply, that has a yield of , and part number is HEWC7974W. This HP LTO ULTRIUM-4 WORM comes with a 100% guarantee and is extremely well priced for value shoppers and business users alike. Perfect for home or office use. Ships fast and accurately. LTO. LTO DATA TAPES. OEM HEWLETT-PACKARD Brand.