“StarTech.com Rail Depth Adapter Kit for Server Racks – 4 in. (10 cm) Rack Extender – 1U – Add flexibility to your rack by expanding or reducing the equipment mounting depth by 4 inches – Rail Depth Adapter – Rack extender – Rack extender brackets – Server rack depth extender – Server rack depth adapter – 1U rack depth brackets RACK DEPTH ADAPTER BRACKETS 1U” has been added to your cart. View cart