The ATX2024FM 20 to 24-pin power supply adapter provides a cost-effective way to connect a 20-pin compatible motherboard to a power supply with a 24-pin connector. The adapter lets you use a newer 24-pin power supply with an older 20-pin motherboard.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;The StarTech.com Advantage&lt;/b&gt;&lt;br /&gt;- StarTech.com&#39;s adapter cable converts your existing standard 24-pin ATX power supply to work as a 20-pin ATX power supply&lt;br /&gt;- Easy to use and install&lt;br /&gt;- Backed by StarTech.com&#39;s lifetime warranty