The majority of the server rack enclosure manufacturers will allow you to be able to select across several options, so that the server rack for your engineering project can meet the specific requirements where it will be installed (depending on the environment.) There are common areas where the engineer should be able to select options from.

1. Shelving: the majority of the manufacturers can offer numerous options for your server rack shelves. This include some of adjustable or fixed server shelves that comes with four-point mounting. It also includes some keyboard shelves that has 2-point mounting. It is slightly vented, very durable, and has cantilever shelves. They also have media shelves. The project engineer should be able to effectively choose a server rack wit the depth of 6 inches that is lesser than the overall depth of the server rack. Once you have a server rack that is 30-inch deep cabinet, you should be able to effectively choose a shelf with a depth of 24 inches.
2. Top and Side Panels: these panels are designed to give equipment protection from the foreign materials. The feature options that are included are the perforated slots for added ventilation, grommet holes designed to accommodate the supplementary cable management pathways, and there is also an option to mount the exhaust fans. The existing side panels gives security and they are most often available in wide variety of choices: solid fixed, solid removable, and solid that has vents included.
3. Mounting rails: these are the most commonly used racks that comes with two different sets of mounting rails. In addition to this, the additional rail sets can be bought in order for it to accommodate the different depths in order to start rack loading. The majority of the manufacturers will allow the usage of these from either Universal Mounting Rails or EIA standard rails.
4. Universal rails: they will be able to support the 19” EIA width rackmount including the networking equipment, and almost all of the server equipment. The EIA standard mounting rails will be able to support the 19” EIA width rackmount and also the additional networking equipment to be able to support the other manufacturers’ rack mounting equipment.

In addition to tis, whether the rails consist of square or tapped holes, the majority of the mounting rails should be able to comply with the ANSI/EIA-310-D standard (1992). The majority of the manufacturers of server rack recommends to purchase racks with rails that has square holes and cage nuts. Today, most of the off-the-shelf rack models are being used for rails that has square holes.