StarTech.com 1ft Micro USB Cable - A to Micro B Backed by StarTech.com's Lifetime warranty Compatible with both 34mm and 54mm ExpressCard slots; includes a slot spacer for greater security while installed in 54mm slots The high performing single chip design optimizes speed, reliability, and power while reducing CPU load by as much as 48% Compatible with both 34mm and 54mm ExpressCard slots; includes a slot spacer for greater security while installed in 54mm slots Advanced FIFO fill management