The Cisco 500 series stackable managed switch provides the advanced capabilities you need to support a more demanding network environment, at an affordable price. It is designed to protect your technology investment as your business grows. Unlike switches that claim to be stackable but have elements which are administered & troubleshot separately, the Cisco 500 series provides true stacking capability, allowing you to configure, manage, & troubleshoot multiple physical switches as a single device & more easily expand your network. The Cisco 500 series switch is fanless making it one of the industry's first in stackable switches, thereby delivering increased reliability, power efficiency, & minimizing noise.