DLTVS1-160 Sony Data Cartridges have a high storage capacity of up to 320GB (160GB native) with DLT-V4 drive and up to 160GB (80GB native) with DLT VS160 drive. High data transfer of up to 20MB/s (10MB/s native) with DLT-V4 drive and 16MB/s (8MB/s native) with DLT VS160 drive. WORM capability tape with DLT-V4 drives thanks to DLT Ice function and reduced error rate by improving tape to support high data density with excellent reliability.