PY3000B013 New Genuine Gateway DX4200 DX4300 DX4320 DX4350 DX4380 DX4640 Power Supply Acer Aspire M3400 Desktop Switching Power Supply P/N: PY30009019 (PY.30009.019) Delta Electronics Model: DPS-300AB-39 C Max Output: 300W Form Factor: ATX