Synology Disk Station 5-Bay Expansion Unit for Increasing Capacity Network Attached Storage (DX513)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Internal HDD: 5x 3.5" or 2.5" SATA</li><li>Expansion Port: 1(eSATA)</li><li>Fan: 2x (80 x 80mm) Fan</li><li>Noise Level: 30 dB(A)</li><li>Power Recovery: Sync with the paired DiskStation (Default Mode)</li><li>Power Frequency: 50/60Hz， Single Phase</li><li>Power Consumption: 45.1 W (Access)， 16.5 W (HDD Hibernation)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31FS5oEqsNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/312swvlrIWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31-8VGru3OL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31rOlsOz6TL.jpg" noproxy>