This is LXun New 250W Power Supply Compatible with Synology DS1815+ DS1812+ DS1513+ DS1512+ DS1511+ DS1813+ DS1515+ DS1010+ RS814 +RS815 DS2015xs QNAP TS531 DPS-250AB-44B Switching Power Supply Adapter.
Connectors: 24Pin + 12Pin + 8Pin Connector
Input: <100-240V~/ 3.5A / 47-63HZ
Output: +12V/17A, -12V/ 3.5A, +5V/12A, +5VSB/2A, + 3.3V /6A
Compatible Models: For DPS-250AB-44B DPS-250AB-89B
Compatible NAS: Compatible with Synology DS1815+ DS1812+ DS1513+ DS1512+ DS1511+ DS1813+ DS1515+ DS1010+ RS814 +RS815 DS2015xs For QNAP TS531
Package Contents: 1 x 250W Power Supply for Synology
Warm Notice: If it shows DOA for DS1515+ or DS1815+, that mean this item will can't repair your NAS DiskStation. Please connect Synology to repair the motherboard.