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