1TB SSD Upgrade Apple Duckhead Lüfter iMac 27 Lautsprecher 240 GB SSD OWC Express 1M2 2TB SSD 4 TB SSD Sensor Hard original Apple Apple externes NuPower 60 Wh 8 TB SSD OWC 2TB Aura neue original 128 GB SSD original Apple 500GB SSD Reinigung Stromkabelverlä NVMe SSD original Apple original Apple Reparatur neue original Austausch OWC 1TB Aura NVMe SSD original Apple Innenreinigung