Hypercom T4210
The T4210 has high-end features normally found in only more expensive IP and wireless models, such as 24MB of total memory, an ARM9 processor for fast transactions and also multi-application. The T4210 is also PCI PED approved so that you can support debit with or without an external PIN pad. With one of the most slim form factors of any countertop device, it is also perfect for handover environments.