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