Cheapest Burners for DC Backups

[Daz]

I want to start making DC Backups.

Could someone please tell me if these cheap Burners work for DC Backups, or if not what is the cheapest Burner I can get away with.

TEAC, 4 x 4 x 32
LG CED8083B, 4 x 4 x 32
FREECOM, 8 x 4 x 32

Cheers.