Raxxess 2PORT Quiet Fan Panel Ultraquiet fan Pre-assembled kit Brushed, black anodized aluminum panel Fan guards AC adapter included Rated at 28dBA per fan 3RU AC adapter included Rated at 28dBA per fan 3 rackspaces The pre-assembled Raxxess dual-fan rack panel boasts ultra-quiet fans mounted in a brushed, black anodized aluminum panel with wire fan guards