CFast Card Connectors Rego Electronics CFast Card Connectors are space-saving connectors with a short entry path. The connectors feature a faster card connection with locking capability. Rego Electronics CFast Card Connectors provide a UL 94V-0-rated plastic housing and operate within a -40°C to +85°C temperature range. The CFast connectors are RoHS-compliant and ideal for automation, industrial computing, gaming, network appliances, and embedded board applications.