LG GH22 the company's latest Super-Multi DVD Burner, which supports recording of a full DVD in just 4:30 minutes, using the 22x recording speed. GH22 comes with a 2MB memory buffer coupled with buffer underun technology for reliable burning. GH22 super Multi drive with Security Function offers password encryption, adds a digital signature to all data to allow recipients to verify data authenticity, detect altered data through checksums to verify data integrity and also increase data reliability through redundantly stored data.