Adorama offers the Mach Speed Trio Stealth G4 7" 8GB WiFi Android Tablet
in Black, model no. TRIO-STEALTH G4 7, for $49.99
with free shipping
. That's the lowest total price we could find by $6. It features a Cortex A7 1.5GHz quad-core processor, 7" 1024x600 touchscreen display, 512GB RAM, 8GB internal memory, 2-megapixel rear camera, 0.3-megapixel front camera, 802.11n wireless, Bluetooth 4.0, microSD card slot, USB, and Android 4.4 OS (KitKat).