The 184030 is a DLT-S4 tape cartridge DLT cartridges are half-inch tapes. DLT-S4 cartridges such as the Maxell 184030 were the highest capacity available tape cartridges during the period when it was released in late 2006 and until the likes of LTO-4 and SAIT-2 were released and matched the capacity bit for bit. The 184030 DLT-S4 tape cartridge has a capacity of 800 GB native and 1.6 TB of compressed data. The transfer rates applicable to the 184030 DLT-S4 are 60 MB/s native and 120 B/s compressed. DLT-S4 tapes usually have a dark purple shell. The Maxell 184030 is only compatible with DLT-S4 and DLT-S4A tape drives.