Image 1 of 2 Image 2 of 2 Unboxed eGPU Lay-flat RTX 4070m $649.00 This is a 4070m GPU on a PCie footprint in a lay-flat design. This is one of my smallest designs and runs on very low power. Quantity: Add To Cart Added! This is a 4070m GPU on a PCie footprint in a lay-flat design. This is one of my smallest designs and runs on very low power.