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