16GB MicroSDHC Memory Card for Garmin nuvi 55LM GPS with Free USB MicroSD/SDHC Card Reader -- 16 G/GB/GIG 16G 16GIG Compatible With: Garmin nuvi 55LM Capacity & Type: 16GB MicroSDHC Specifications: Complies with SD Association's Specifications Certifications: CE/FCC/RoHS Warranty: 5 Year Manufacturer's