Middle Atlantic WRK-40-27 40SP/27D Multibay WRK

Systems with thick cable bundles and plenty of heat need a rack with some elbow room, and the Middle Atlantic WRK-40-27 is a 40RU multibay rack with a wider 24.25 in footprint.

Fully welded steel construction carries a 10,000 lb static load (2,500 lb UL listed, 900 lb seismic certified), extra-wide 10-32 threaded rackrail has cable pass-throughs, and a configurable rear door is included. Request a quote for 5 or more units on equipment-room and multi-bay rollouts.

Key Features

• Rack space: 40 RU; 70.13 in usable height
• Footprint: 24.25 in wide x 27.63 in deep overall; 25.75 in usable depth
• Capacity: 10,000 lb static; 2,500 lb UL listed; 900 lb seismic certified
• Rackrail: Front and rear adjustable 10-32 threaded, numbered spaces, cable pass-throughs
• Cable management: Lacing points and slotted rail brackets; knockouts top and bottom
• Rear door: Configurable rear door included
• Gangable: Yes, for multi-bay installs
• Finish: Black powder coat steel

Ideal For

• Server and AV equipment rooms: large cable bundles
• Multi-bay installs: gangable frames
• Rack rollouts: quote 5+ units

Middle Atlantic WRK-40-27 WRK Series 40RU Multibay Equipment Rack, 27.63 in Deep Specifications

Middle Atlantic WRK-40-27 technical specifications, grouped by feature

Specification	Details
Performance
Certifications	UL listed (US and Canada); GREENGUARD; RoHS
Additional Features
Rack Units	40
Overall Height	76.13 in
Overall Width	24.25 in
Overall Depth	27.63 in
Usable Height	70.13 in
Usable Depth	25.75 in
Static Load Capacity	10,000 lb
UL Load Capacity	2,500 lb
Seismic Load Capacity	900 lb (with WRK-Z4 seismic floor anchor bracket)
Rackrail Type	10-32
Material	Steel, black powder coat
Gangable	Yes
General
Brand	Middle Atlantic
Model	WRK-40-27

Specifications are verified against the Middle Atlantic manufacturer data sheet (October 2026) and may change without notice. Confirm critical requirements with Middle Atlantic before ordering.

Warranty & Support

Planning a multi-room or multi-site install? Request a quote from Robertson AV for 5 or more units, or call us at 800-919-6548 or email orders@robertsonav.com. Free ground shipping on U.S. orders. Schools, businesses, government agencies and houses of worship: ask us about project and quantity pricing.