Dell PowerConnect J4935 Equivalent 1U Rack Mount Kit (Older Model) IMPORTANT: We have replaced this model with a newer one. Search for "B01D7PFUH2" to find the newer model in stock at Amazon. Custom manufactured to meet the original product strength and color. Compatible with Dell PowerConnect 2124, 2224, 2324, 2616, 2624, 2716, 2724, 2824. Made of high strength carbon steel with a black oxide protective coating. See description for a special application note regarding the Dell PowerConnect 2124.