Transcend Compact Flash 4GB 133x

Fast, reliable, and high-capacity. With consistent performance and vast storage capacity, Transcend's 133x CF cards are the perfect match for enthusiast and prosumer level DSLR cameras and camcorders. Key Features Ultra-fast 133X performance with dual-channel support Conforms to CF Type I standards Specification Op. Voltage: 3.3V/5V Op. Temperature: -25°C(-13°F) to 85°C(185°F) Weight 11.4g (Max.) R/W Performance: Read 50 MByte/s, Write 20 MByte/s Note: Speed may vary due to host hardware, software, transfer mode, and usage.