Legrand MM20 4-Post Rack: Professional Network Infrastructure Mounting
The Legrand MM20 4-post rack is engineered for IT professionals and data center managers who demand reliable, economical equipment mounting solutions. This 45 RU 4-post rack delivers a sturdy mounting platform for switches, servers, and network infrastructure in compact 30-inch spaces. With fixed tapped rails and front/rear waterfalls, the MM20 provides efficient cable management and equipment patching capabilities that streamline your network deployment and reduce installation time.
Key Features
- 45 RU capacity for maximum equipment density
- 30-inch depth optimized for standard network equipment
- 7-foot height provides ample vertical mounting space
- Fixed tapped rails for secure equipment installation
- Front and rear waterfalls enable organized cable routing
- 4-post design ensures stability for heavy server loads
- Black powder-coat finish resists corrosion and wear
- Economical design reduces total cost of ownership
Technical Specifications
| Specification |
Value |
| Manufacturer |
Legrand DAT |
| Model Series |
Mighty Mo 20 (MM20) |
| Part Number |
MM20730FXD12-B |
| Rack Height |
7 feet (84 inches) |
| Rack Depth |
30 inches |
| RU Capacity |
45 RU |
| Rail Type |
Fixed Tapped Rails |
| Post Configuration |
4-Post Design |
| Cable Management |
Front and Rear Waterfalls |
| Finish |
Black Powder Coat |
Frequently Asked Questions
What is a 4-post rack used for?
A 4-post rack is designed for mounting servers, switches, patch panels, and other network equipment in data centers and server rooms. The four-post design provides superior stability and weight capacity compared to 2-post racks, making it ideal for heavy IT infrastructure deployments.
How many servers can fit in a 45 RU rack?
A 45 RU rack can accommodate various server configurations depending on form factor. Typically, you can mount 10-15 standard 2U servers, 20-30 1U servers, or a combination of equipment totaling 45 rack units. The Legrand MM20's 30-inch depth supports most standard enterprise equipment.
What are tapped rails and why do they matter?
Tapped rails feature pre-threaded holes that accept standard mounting hardware without additional nuts or clips. This design simplifies equipment installation, reduces assembly time, and ensures secure mounting of servers and network devices in your 4-post rack infrastructure.
Is the Legrand MM20 suitable for small data centers?
Yes. The MM20 4-post rack's economical design and efficient cable management make it perfect for small to mid-sized data centers, server rooms, and network closets. Its 30-inch depth and 45 RU capacity balance space efficiency with equipment density.