Read Steve Snell's dog training collar reviews & more See Steve's Hunting Dogs
Gun Dog Supply's Hunting Dog Store
FREE SHIPPING on Orders $48+

Increased Onboard Memory Capacity in the Astro 320

The Garmin Astro 320 has of 1.7 gigs of onboard memory. This allows you to download maps into the system without having to add an additional SD card. The card slot is still there in case you need more storage.