Product Description: 1. Input: 100-240V~/ 3.5A / 47-63HZ 2. Output: +3.3V⎓/6A, +5VSB⎓/2A 3. Replacement Model: DPS-250AB-44D 4. Compatible NAS: TS439, TS453, TS459, TS469, TS639, TS653, TS659, TS669 5. Package included: 1x Power Supply