Astec 12V 24A 288W Regulated and Filtered Power Supply with Case and Accessories High output power: 400 watts max instantaneous, 288 watts RMS continuous Robustly built to IBM specifications for powering 12 VDC storage servers Includes 6 foot IEC power cable and 6 foot coiled cigarette lighter adapter with 2.1 mm right angle, &lt;strong&gt;center-negative tip&lt;/strong&gt; Heavy-duty, 1/4&quot; thick binding posts and cigarette lighter socket for output World-compatible design works with 100 to 240 VAC input power