8GB MicroSDHC Memory Card for Garmin nuvi 57 GPS with Free USB MicroSD/SDHC Card Reader - 8 G/GB/GIG 8G 8GIG Compatible With: Garmin nuvi 57 Capacity & Type: 8GB MicroSDHC Specifications: Complies with SD Association's Specifications Certifications: CE/FCC/RoHS Warranty: 5 Year Manufacturer's