Write-Once Optical Disk is designed for use with large-scale, high-security, or permanent storage applications. Disk offers a 9.1GB capacity and a recording speed of 4096 bytes per sector (14X) while providing up to 100 years of archival life. Antistatic shell coating prevents static buildup, which can cause read/write errors. Disk is engineered to meet and surpass ISO/IEC/ANSI standards.