Vertiv Cmrx 59U 24 in 16.25 in White - CMRX-59U16-W-SQM6

Vertiv CMRX-59U16-W-SQM6 59U White Rack Enclosure

Overview

The Vertiv CMRX-59U16-W-SQM6 is a 59U rack enclosure finished in Winter White — the go-to choice when your rack room, data closet, or network operations environment calls for a light-colored cabinet that stands apart visually from standard black deployments. At 59U, it offers substantial vertical real estate for dense equipment loads, and the #12-24 tapped plus 3/8-inch square-hole M6 rail pattern covers the two dominant mounting standards used across networking, storage, and server hardware. UL2416 listing and RoHS II compliance mean it meets the safety and environmental requirements most enterprise and government procurement teams check before a purchase order goes through.

Key Features

• 59U Vertical Capacity: 59 rack units give you room to house full server stacks, patch panels, power distribution, and cable management in a single enclosure — reducing the number of cabinets needed and keeping inter-device cabling short.
• #12-24 Tapped + 3/8" Square Hole (M6) Rails: Both rail patterns ship in the same enclosure. #12-24 tapped threading covers legacy and mid-market gear; square-hole M6 handles modern cage-nut equipment. No adapter kits needed for mixed hardware environments (CMRX-59U16-W-SQM6 supports both mounting conventions out of the box).
• Winter White Finish: The white color variant is specified for environments where aesthetics or room-lighting standards matter — medical facilities, clean-room adjacent spaces, and open-office server closets where black cabinets look out of place.
• UL2416 Listed: UL2416 is the North American safety standard for information technology equipment racks and cabinets. Listing means the enclosure has been independently tested for structural and electrical safety — a prerequisite for most enterprise and healthcare facilities management sign-offs.
• RoHS II Compliant: Restricts hazardous substances in the enclosure materials, satisfying EU environmental directives and many US government procurement requirements that mandate RoHS compliance across the supply chain.
• D-Ring Cable Management (Qty. 20): Twenty 3.5" x 5" quarter-turn D-rings ship in the box, providing structured horizontal and vertical cable routing without a separate cable management purchase for initial deployment.

Integration & Compatibility

The dual-rail mounting standard (#12-24 tapped and 3/8-inch square-hole M6) makes the CMRX-59U16-W-SQM6 compatible with the broadest range of rack-mount equipment on the market. Server hardware from major OEMs, network switches, patch panels, KVM systems, and power distribution units all mount without adapter plates when the correct rail type is selected. The enclosure is available in multiple U sizes (45U, 52U, and 59U) within the CMRX family, so if your load doesn't justify 59U, a shorter variant in the same line maintains identical rail and accessory compatibility. When planning your network switch and power distribution layout, confirm rail depth and weight capacity against your heaviest equipment before finalizing the rack design. For broader Vertiv rack and power infrastructure options, the CMRX family sits within Vertiv's commercial enclosure line.

What\'s in the Box

• 1x CMRX-59U16-W-SQM6 Rack Enclosure (Winter White)
• Rack Mount Hardware
• 20x 3.5" x 5" 1/4-Turn D-Rings

Frequently Asked Questions

Q: What rail mounting standards does the CMRX-59U16-W-SQM6 support?

A: The CMRX-59U16-W-SQM6 supports both #12-24 tapped rails and 3/8-inch square-hole M6 rails, covering the two most common rack-mount hardware standards without requiring adapter kits.

Q: Is the CMRX-59U16-W-SQM6 available in colors other than white?

A: Yes. The CMRX family is available in Black and Winter White. The CMRX-59U16-W-SQM6 specifically is the Winter White variant. If black is required, select the corresponding black model in the CMRX line.

Q: What safety certifications does the CMRX-59U16-W-SQM6 carry?

A: The enclosure is UL2416 listed (North American rack/cabinet safety standard) and RoHS II compliant (EU hazardous substances directive), satisfying typical enterprise and government procurement requirements.

Q: Does the CMRX-59U16-W-SQM6 include cable management hardware?

A: Yes. Twenty 3.5-inch by 5-inch quarter-turn D-rings are included in the box for structured cable routing. Additional rack mount hardware is also included.

Q: What U-size variants exist in the CMRX family?

A: The CMRX line includes 45U, 52U, and 59U configurations. The CMRX-59U16-W-SQM6 is the 59U Winter White model. Shorter variants share the same rail and accessory compatibility.

Marty Allison

The CMRX-59U16-W-SQM6 is one of those enclosures that earns its place in a spec sheet not through flashy features but through rail flexibility — the dual #12-24 tapped and 3/8-inch square-hole M6 support means you're not locked into a single generation or vendor tier of equipment. I've seen plenty of rack builds stall because someone ordered a square-hole-only cabinet and then had to source adapter kits for legacy gear. This one sidesteps that problem out of the box.

Technical Highlights:

• Dual Rail Standard (#12-24 + M6): Eliminates adapter-kit procurement delays on mixed equipment deployments — server OEMs, switch vendors, and KVM hardware all mount natively on one or the other thread standard.
• UL2416 Listing: Independently verified structural and electrical safety — a hard requirement for facilities management and AHJ sign-off in most healthcare, education, and enterprise data closet projects.
• 20x Quarter-Turn D-Rings (3.5" x 5"): Enough hardware included to route both horizontal and vertical cable runs on initial install without a supplemental cable management order.

Deployment Considerations:

• The 59U height means you need adequate ceiling clearance — plan for at least 12–18 inches above the top of the cabinet for airflow and future cable dressing, beyond the enclosure's own height.
• No weight capacity or airflow (CFM) figures are available in current evidence — confirm those specs directly from Vertiv's datasheet before committing to high-density server loads or active-cooling integration.

This enclosure is best positioned for network operations closets and light-to-mid-density IT rooms where a white finish is a facility requirement and the flexibility to mount both legacy and current-generation equipment matters more than maximum airflow optimization.