Middle Atlantic WMRK-4536 45U Gangable Open-Frame Server Rack
Overview
The Middle Atlantic WMRK-4536 is a 45U open-frame floor-standing rack built for dense server and AV equipment deployments where airflow, accessibility, and high structural load matter. At 36 inches deep with 33.5 inches of usable depth, the WMRK-4536 accommodates deep 1U/2U servers, storage arrays, and network appliances without the containment overhead of a full enclosure — useful in equipment rooms where front-and-rear access or cabling flexibility takes priority over dust control. Frame-only configuration ships without side panels, keeping costs down when adjacent rack runs or custom finishing are planned. Manufactured in the USA and TAA-compliant, making it a straightforward fit for federal and government-funded deployments where country-of-origin documentation is required.
Compatibility
Accepts any standard 19-inch EIA-310-compliant rackmount equipment. Cage nut rail system — 33.5 inches of usable depth supports the vast majority of 1U through 4U rack-mount servers, patch panels, KVM switches, PDUs, and NVRs in the Middle Atlantic rack and enclosure line. Gangable design means multiple WMRK units bolt together side-by-side to build wide-format equipment rows without gaps — common in broadcast, surveillance head-end, and data center edge deployments. Side panels are available as separate accessories for perimeter enclosure builds. Compatible with standard rackmount PDUs and cable management accessories on the 19-inch panel width standard.
Installation Notes
Seismic-rated per ASCE 7-10 — the UL-listed seismic load capacity rating means this rack qualifies for deployments in seismic zones where equipment anchoring compliance is required; verify local AHJ requirements before specifying. UL load capacity: 2,500 lbs (1,134 kg) — adequate for fully populated server and storage rows, but note the weight capacity rating of 10,000 lbs refers to stacking/structural load, not equipment payload. Shipping weight is 178 lbs — plan for two-person lift or freight elevator access on upper-floor installs. Frame-only product: side panels, doors, and top panels require separate procurement. Cage nut rails require a cage nut insertion tool (not included) and standard M6 cage nuts.
