The Sony SDLT1-320 is compatible with SDLT 220 and SDLT 320 tape drives. As the Sony SDLT1-320 is certified by the DLT group therefore it is compatible with all manufacturer's SDLT tape drives. High capacity means little if a data tape can't support the transfer speeds you'll need. Sony Super DLT tape I tape keeps your backup windows small with 32 Megabytes per second compressed transfer speed (16MB/Sec native) using SDLT 320 drives. Super DLT cartridge can store 160GB native or 320GB compressed, with impressively fast data transfer rates reaching 16MB/s native or 32MB/s compressed. Sony Super DLTtape has the durability to withstand repeated load/unload cycles in library environments. The new cartridge also contributes to improved tape travel stability.