# rack server

CEFR C1 · Compound

Source: https://englishreference.com/word/rack-server
Updated: 2026-07-22

## Definition

a computer designed to be installed in a metal frame called a rack. These are used in data centers to save space by stacking many computers on top of each other.

For teachers: a computer specifically designed for mounting within a standardized 19-inch rack frame. This form factor allows for high-density hardware configurations and efficient cooling within a server room or data center environment.

## Examples

- The technician installed a new rack server in the data center.
- To handle the increased website traffic, the company purchased three more rack servers to expand their existing infrastructure.
- Unlike tower servers that occupy significant floor space, a rack server utilizes a slim chassis that slides into a vertical cabinet, maximizing the computational power per square foot.

## Usage notes

- Often used as a compound noun; the plural form is 'rack servers'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.