Server Rack Shelves

Server rack shelves are essential hardware components designed to support and store various equipment within server racks, perfect for New Zealand's growing tech landscape. Made from durable materials like metal, these shelves are installed horizontally, providing stable platforms for servers, networking devices, and other rack-mountable equipment.

Available in various sizes and configurations, server rack shelves cater to different types of equipment, helping to maximize space efficiency within the rack. They ensure proper ventilation and organization, making them ideal for Kiwi businesses looking to optimize their IT infrastructure.

What is a Server Rack Unit?

A rack unit (U), also known as a rack space or simply "U," is a standard unit of measurement used to describe the vertical space within a server rack or equipment enclosure. It represents the height of the rack-mounted equipment and the available space for mounting hardware.

One rack unit (1U) is equivalent to 1.75 inches or 44.45 millimetres in height. This measurement is standardized and widely adopted in the IT industry. Rack-mounted equipment such as servers, switches, and storage devices are typically designed to occupy one or multiple rack units.

The total height of a rack is often specified in terms of the number of rack units it can accommodate. For example, a 42U rack can hold equipment up to 42 rack units in height. By using this standard unit of measurement, it becomes easier to determine the amount of space required for equipment and plan for efficient rack deployment and organization.

Types of Server Rack Shelves

Understanding the different types can help you choose the right rack shelf for your needs.

Fixed Shelves

Fixed shelves are stationary and do not adjust after installation. They offer a solid, stable surface for equipment that doesn't require movement. These shelves are ideal for heavy or bulky items that need to remain in place. Fixed shelves typically have a higher weight capacity and are compatible with both 2-post and 4-post racks.

Sliding Shelves

Sliding shelves allow equipment to be pulled out for easy access and maintenance. They are particularly useful in tight spaces where equipment needs to be accessed frequently. These shelves can extend fully, making it easier to reach the rear of the equipment.

Adjustable Shelves

Adjustable rack shelves offer flexibility by allowing the depth to be modified to fit different equipment sizes. They are suitable for environments where equipment may change over time. These shelves can accommodate a range of equipment depths, making them versatile for various setups.

Heavy-Duty Shelves

Heavy-duty shelves are designed to support substantial weight, making them suitable for large or heavy equipment. These shelves are built with reinforced materials to ensure stability and safety. They are ideal for data centers or server rooms where equipment weight is a concern.

Features and Benefits of Server Rack Shelves

• Organisation - Rack shelves provide a structured and organized environment for equipment placement
• Space Efficiency - By utilising vertical space, server rack shelves optimize the use of floor space.
• Accessibility - Rack shelves facilitate easy access to equipment for installation, maintenance, and troubleshooting.
• Airflow and Cooling - Proper airflow is critical for cooling server equipment. Rack shelves are designed with ventilation features, such as perforations or mesh patterns, which promote the smooth circulation of air.
• Cable Management - Server rack shelves often incorporate cable management features, such as cable routing channels, hooks, or clips. This help to organise and secure cables, reducing clutter, and minimizing the risk of cable damage or accidental disconnections.
• Security - Enclosed server rack shelves with lockable doors provide a level of physical security by restricting unauthorized access to the equipment
• Scalability and Flexibility - Server rack shelves are designed to accommodate various sizes and types of equipment. They offer flexibility to scale up or down as the needs of the data center or server room change, allowing for easy installation or replacement of servers and devices.

How to Choose the Right Rack Shelf?

Consider the following factors when choosing a rack shelf:

• Weight Capacity: Ensure the shelf can support the combined weight of your equipment, including servers, switches, and other devices.
• Shelf Type: Server rack shelves come in several types to suit different equipment and usage needs. This includes fixed shelves for stable heavy equipment, sliding shelves for easy access, adjustable shelves for varying depths, and heavy-duty shelves to support large or heavy devices.
• Size & Mounting Type: Ensure the shelf fits within your rack's dimensions and supports the required mounting configuration.
• Ventilation and Cooling: Opt for shelves with vented designs to promote airflow, helping to maintain optimal operating temperatures for your equipment. This is especially important in environments with high-density setups.
• Material and Durability: Choose rack shelves made from durable materials like cold-rolled steel to ensure longevity and resistance to wear and tear. Consider environmental factors such as humidity and temperature fluctuations when selecting materials.
• Cost: Balance your budget with the features and quality required. While higher-end shelves may offer additional features and durability, ensure they align with your specific needs and financial considerations.

Applications of Server Rack Shelf

Server rack shelves are versatile and support various equipment setups within an electrical cabinet:

• Server Rack Mounting: These shelves provide a stable platform for servers that don’t have built-in rackmount rails.
• Networking Equipment: They support switches, routers, and patch panels for organized and accessible network setups.
• Storage Systems: These shelves hold external drives, or backup systems securely within the rack.
• Telecommunication Equipment: Accommodates phone systems, VoIP hardware, and other telecom devices.
• Power Distribution: Supports PDUs, UPS units, and other power management devices, ensuring reliable and safe energy distribution within the rack.

Optimise Your Server Setup with the Right Shelf

For a secure and efficient server environment, RS, a trusted supplier and distributor in NZ, offers premium rack shelves from brands like Rittal, Eaton, and Legrand. Explore our range of rack shelves and other enclosures like electrical boxes, and order online today. For full delivery details and exclusions, refer to our delivery information page.