The S3421 also adds Active Management Technology, a corporate-friendly feature which enables remote desktop management. Otherwise, the two notebooks are nearly identical, with 320GB hard drives, optional 64-bit Windows 7, and standard connectivity including Bluetooth and gigabit ethernet. A fingerprint reader and EasyGuard technology aim to ensure an adequate level of security for business users. LED backlighting and Toshiba's Eco Utility help to extend battery life to close to 5 hours. For less than $100 extra, the M11-S3430 adds discrete graphics memory and a Smart Card reader, but drops a gigabyte of RAM.