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