Power Adapter for 1394 Slim Cardbus Product Type - Power Adapter - 1394 2-Port CardBus (Part No. NN-PC2012, Version 3.0) - 1394 Dual-Port CardBus (Part No. NN-PCM222, Version 3.0) - FireWire 2-Port ExpressCard (Part No.NN-EC2012-S1, Version 1.0) - FireWire 800 ExpressCard (Part No. NN-EC2812-S1, Version 1.0)