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