The Vuzix Blade 2 has 1GB RAM and 8GB internal memory. The 1GB RAM cannot be used for storage purposes. The 1GB RAM is used for storing information that the Vuzix Blade 2 is actively using. The internal memory can be used for storing apps on the headset. The Vuzix Blade 2 also has a Micro SD expansion slot for SD cards up to 32GB. You can buy Micro SD cards for the Vuzix Blade 2 at VR Expert.