HP OmniBook 4100 4150 4150B 6GB Hard Disk Drive HDD Module with Caddy/Carrier. Working HD with factory install of Win NT 4.00----BOOTABLE AND WORKING complete with all drivers (for 4150). this is a 2.5 HD in its (RARE TO FIND) caddy specifically for the HP 4150 laptop with windows and all the programs from HP.
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