Only Certance supplies are certified to meet the strict performance and quality specifications defined by Certance engineers, Certance data cartridges are engineered and specified to perform optimally with Certance tape drives! Tape drives and data cartridges must work together, Certance Quality Assurance conducts system tests to ensure that Cerance tape drives and data cartridges achieve optimal performance together!Certance - 1 x DAT 36 GB / 72 GB - DAT 72 - storage media SKU: SYN6836