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