HP F1746B - 12GB hard disk drive module - Plugs into module bay as a second hard disk drive - For OmniBook 41xx and 900 Retail
HP F1746C - 20GB hard disk drive module - Plugs into module bay as a second hard disk drive - For OmniBook 41xx and 900 Retail
HP F1746-80001 - Second hard disk drive housing - Plugs into module bay - Does not include hard disk drive Retail
