HP bd240i internal SATA blu ray device. Bought a new htpc case, but this doesn't fit it. Had to buy a slim drive. Nothing wrong with this drive, just didn't fit my new case.You can pick small or medium flat rate box, it seems to barely fit a small flat rate, but it would probably be fine. If your a little squeemish, you can pick medium box and I'll pad it more than I can in a small the newegg ad above for more infoBrandHPModelBD240I-h01Read SpeedBD-ROM8XDVD-ROM16XCD-ROM48XWrite DL8XDVD-R DL8XDVD-RAM12XCD-R48XCD-RW32XPhysical SpecLightScribe