Server Racks

The server rack (also called comms rack, network rack, or 19-inch rack) is the enclosure that houses the NVR, PoE switching, UPS, patch panels and structured cabling in any commercial CCTV install. Sizing is in rack units (1U = 44.45 mm of rack-mountable height), with wall-mount enclosures from 6U through 18U covering small-commercial installs and floor-standing enclosures from 22U through 47U for mid-commercial and enterprise. The rack does more than just mount equipment — it provides physical security (lockable doors), cable management (vertical and horizontal runs), cooling (passive vents or active fans), and power distribution (rack-mount PDUs). Specifying the right rack means specifying enough U-height for the equipment plus headroom, the right depth for the deepest unit, and the right load rating for the total equipment weight.

Security Cameras Australia stocks comms racks suitable for CCTV installs from small wall-mount enclosures through enterprise floor-standing cabinets, plus the accessories — shelves, PDUs, cooling, cable management — that complete the install.

For complementary categories see network switches, UPS, and structured cabling.

What's in the server racks range

Wall-mount enclosures

Compact racks bolted to a wall. Suitable for small-commercial and residential-commercial CCTV installs where floor space is at a premium or where the comms layer is centralised in a small dedicated room.

6U — NVR + small PoE switch + UPS in a tight footprint. Small office, retail, small clinic.
9U-12U — adds patch panel, larger UPS, or expansion room. Typical mid-small commercial.
15U-18U — the upper end of wall-mount; beyond this, floor-standing makes more sense for load and access.

Floor-standing enclosures

Full-depth racks on the floor or rack base, with lockable front/rear doors and side panels. Suitable for mid-commercial through enterprise CCTV installs.

22U-27U — typical mid-commercial. NVR, multiple PoE switches, UPS, patch panels, with headroom.
32U-42U — typical enterprise. Multi-NVR or VMS-server installs, structured cabling termination, redundant UPS.
45U-47U — full-height enterprise. Multi-system installs, equipment-room standardisation.

Open frame racks

Two-post or four-post open frames without doors or side panels. Lower cost than enclosed cabinets, easier access. Suit dedicated comms rooms where physical security comes from room access control rather than the rack itself.

Rack accessories

Rack shelves — fixed or sliding shelves for non-rack-mountable equipment.
Cable management — vertical and horizontal management arms, cable rings, finger ducts.
PDUs (Power Distribution Units) — rack-mount power strips, often with metered or switched outlets.
Cooling fans — roof-mount or 1U fan trays for active cooling.
Patch panels — 12, 24, 48-port Cat6/6a patch panels for structured cabling termination.
Blanking panels — fill empty U-spaces for airflow management.

How to size a rack for a CCTV install

U-height calculation

Add up the U-height of every device that needs to be in the rack:

NVR: typically 1U (small) or 2U (larger). Pro/Ultra: 1U-3U.
PoE switch: 1U per managed switch (typically 24- or 48-port).
UPS: 1U-3U depending on capacity.
Patch panel: 1U per 24 ports.
Cable management: 1U per horizontal manager.

Add 20-30% headroom for future expansion. Round up to the next standard size.

Depth considerations

Floor-standing racks come in shallow (600 mm), standard (800 mm) and deep (1000-1200 mm) depths. The deepest piece of equipment dictates minimum depth — most NVRs and switches are 400-500 mm deep, so 600 mm is usually enough, but deeper UPS or VMS servers may need 800 mm or more.

Load rating

Check the rack's load rating against the total equipment weight. UPS units especially are heavy (often 20-40 kg each); some enterprise UPSs exceed 50 kg. Wall-mount racks have lower load ratings than floor-standing — confirm the wall mount can handle the load.

Width and standards

Standard is 19-inch (482.6 mm interior width) for network and CCTV equipment. Some specialised installs use 23-inch (telecoms) or compact half-rack widths — uncommon for CCTV.

Practical install considerations

Heat management

NVR + PoE switch + UPS in an enclosed cabinet generate significant heat. Without ventilation, internal temperature rises and equipment life shortens (electrolytic capacitors and hard drives particularly). Options:

Passive vents for small wall-mount installs in cool rooms.
Roof or front fan trays for moderate heat loads.
Dedicated air-conditioned comms room for enterprise installs with high heat loads.

Cable management

A clean install uses vertical cable management in the side of the rack and horizontal cable management between active devices. Without management, cable bundles obstruct airflow, complicate maintenance, and look unprofessional in customer-facing installs.

Physical security

Lockable doors prevent unauthorised access to recorders and switches. Significant for commercial installs — the rack is the system's physical boundary. Some procurement contexts require keyed-different locks per zone.

Power distribution

Rack-mount PDU distributes power from the UPS to individual devices. Metered PDUs report total draw (useful for capacity planning); switched PDUs allow remote power cycling of individual devices (useful for remote management).

Why buy from Security Cameras Australia

Authorised dealer · genuine racks and accessories with manufacturer warranty.
Expert support · advice on sizing, depth selection, cooling, cable management for CCTV-specific installs.
Complete system specification · rack, NVR, switching, UPS, structured cabling specified together.
Price-match · free shipping · 30-day returns.

Shop server racks

Browse below, or see network switches, UPS, structured cabling, or all networking equipment.

Frequently Asked Questions about Server Racks

Wall-mount or floor-standing — which rack do I need?

Wall-mount for small installs (NVR + small PoE switch + UPS, sub-12U total) where floor space is at a premium. Floor-standing for mid-commercial and larger (more than 18U of equipment, multiple PoE switches, structured cabling termination, equipment depth or weight beyond wall-mount limits). The crossover is roughly 18U — wall-mount becomes awkward beyond that. Open-frame floor-standing is an option for dedicated comms rooms where physical security comes from room access control.

How much U-space does an 8-camera CCTV install need?

Typically 6-9U. Breakdown: 1U NVR, 1U PoE switch, 1-2U UPS, 1U patch panel, 1U cable management, plus 1-2U headroom. A 9U or 12U wall-mount rack fits comfortably. Larger installs scale proportionally — 32-camera install with multi-NVR and larger UPS often needs a 22-27U floor-standing.

Do I need cooling in my rack?

Depends on the heat load and the room. Single NVR + small PoE switch in an air-conditioned office: passive vents enough. NVR + multiple PoE switches + larger UPS in a closed cabinet: fan tray recommended. Enterprise multi-device installs in dedicated comms rooms: air-conditioned space with proper environmental management. Excessive heat shortens equipment life — particularly hard drives and electrolytic capacitors in UPS — so don't skip this.

What's the difference between 600 mm and 800 mm deep racks?

Internal depth available for equipment. 600 mm racks accommodate most NVRs, PoE switches and standard UPS units (typically 400-500 mm deep). 800 mm racks fit deeper VMS servers, larger UPS units, and equipment that needs front-and-rear cabling access with management space. For pure CCTV installs, 600 mm is usually enough. For multi-system or future-proof installs, 800 mm gives headroom.

Can I use a non-CCTV server rack for my install?

Yes — standard 19-inch racks are brand-agnostic. The rack doesn't care whether it's holding an NVR or a database server. What matters is U-height, depth, load rating, ventilation, and physical security. Most server racks sold for general IT use work fine for CCTV — confirm the U-height and depth against the specific equipment.