APC by Schneider Electric AR9550SPB2 42U Freestanding Server Rack with Shock Package
Overview
The APC by Schneider Electric AR9550SPB2 is the NetShelter SX Advanced 42U freestanding rack enclosure in the 750mm-wide, 1295mm-deep footprint — the configuration most data center engineers reach for when they need to house high-density compute, network gear, or surveillance infrastructure without compromising on cable management or physical security. The AR9550SPB2 ships with a shock package, meaning the enclosure arrives ready for transport-sensitive environments or staged deployments where equipment inside must survive the journey. If you're speccing racks for a new machine room build, a surveillance NVR cluster, or edge compute closets being shipped to remote sites, the shock package variant eliminates the need to source protective crating separately.
Explore the full APC by Schneider Electric catalog for complementary power and infrastructure products, or browse our selection of server racks and enclosures to compare form factors and depths across brands.
Key Features
- 42U Rack Capacity: 42 rack units of usable mounting space means you can house a full complement of 1U servers, patch panels, NVR appliances, and switching gear in a single enclosure — without the operational overhead of managing multiple partial racks spread across a row.
- 750mm Width: The 750mm-wide form factor accommodates standard 19-inch (48.3cm) equipment with room for side-mounted cable management trays on both rails — a practical advantage over 600mm enclosures when cable density is high or you're running structured cabling alongside power distribution.
- 1295mm Depth: At 1295mm deep, this enclosure handles full-depth blade servers, high-density patch configurations, and rear-mounted cable management without forcing tray compromises. Adjustable mounting depth runs from 292mm minimum to 1143mm maximum, so everything from shallow telecom gear to deep enterprise storage fits without shimming.
- 1927.8kg Maximum Weight Capacity: That's the structural limit — roughly 4,250 lbs. In practice, fully loaded 42U racks rarely exceed 1,000kg, so this rating means the enclosure frame won't be the limiting factor in your design. Useful headroom for high-density GPU or NVR builds where drives and PSUs add significant cumulative weight.
- Shock Package Included: The shock package variant is built for staged deployments — equipment installed before the rack ships to a remote site, construction-phase delivery into unfinished facilities, or any scenario where vibration and impact during transit are realistic risks. Eliminates the need for separate crating or post-delivery equipment reinstallation.
- Black Finish: The black enclosure finish matches standard data center aesthetics and helps visually differentiate rack zones in mixed-use machine rooms. No operational significance, but relevant if your facilities team enforces color-coded infrastructure labeling.
- 1991mm Height: At 1991mm total height (just under 2 meters), this rack fits through a standard 2-meter doorway with minimal clearance — worth confirming against your facility's door openings and raised-floor ceiling height before delivery.
- Standard 19-Inch Rail Mounting: Fully compliant with the 48.3cm (19-inch) EIA rack standard, so any rack-mount equipment you're already sourcing — switches, NVRs, KVM units, UPS modules — installs without adapter plates or custom rail kits.
Integration and Compatibility
The AR9550SPB2 is a passive enclosure and integrates with the full APC NetShelter SX accessory ecosystem — side panels, roof panels, blanking panels, seismic bracing kits, and PDU mounting options all carry NetShelter SX compatibility. Standard 19-inch rail geometry means any EIA-compliant rack-mount device installs without modification. For network video recorders, surveillance appliances, and edge compute nodes, the 1295mm depth accommodates even the largest 4U NVR chassis without rear-clearance compromise.
If you're planning power distribution inside this enclosure, review our rack PDU options to find zero-U or 1U PDUs designed for the NetShelter SX footprint. Proper airflow management is critical at high load densities — APC's blanking panel kits and hot-aisle containment accessories are designed to pair directly with this enclosure.
Frequently Asked Questions
Q: What is the maximum weight the AR9550SPB2 can support?
A: The AR9550SPB2 has a maximum weight capacity of 1927.8 kg (approximately 4,250 lbs). In practice, most fully loaded 42U racks stay well under this limit, so the enclosure frame itself is unlikely to be a constraint even in high-density deployments.
Q: What is the adjustable mounting depth range on the AR9550SPB2?
A: The rail mounting depth is adjustable from a minimum of 292mm to a maximum of 1143mm, accommodating everything from shallow 1U switches to full-depth blade server chassis without requiring additional rail adapters.
Q: What does the shock package include and why does it matter?
A: The shock package is designed to protect rack-mounted equipment from vibration and impact during transit. This is relevant when equipment is installed into the rack before shipment to a remote site, during construction-phase deliveries, or in any scenario where the populated rack will be moved after loading. It eliminates the need to source separate protective crating.
Q: Will the AR9550SPB2 fit through a standard doorway?
A: The enclosure stands 1991mm tall — just under 2 meters. Most standard commercial doorways clear 2 meters, but you should verify your facility's door heights, hallway widths, and any raised-floor or drop-ceiling constraints before scheduling delivery, particularly for basement or interior machine room installations.
Q: Is the AR9550SPB2 compatible with standard 19-inch rack equipment?
A: Yes. The AR9550SPB2 complies with the 48.3cm (19-inch) EIA rack standard. Any EIA-compliant rack-mount device — servers, NVRs, switches, patch panels, KVM units, UPS modules — installs on the rails without adapter plates.
Q: What are the package dimensions for the AR9550SPB2?
A: The shipping package measures 1195mm wide × 1461mm deep × 2205mm tall and weighs 360 kg. Factor these dimensions and weight into your freight and receiving dock planning — a standard pallet jack and dock leveler are typically required for safe delivery.
The AR9550SPB2 sits in the part of the NetShelter SX line I recommend most often for surveillance and edge compute builds: the 750mm-wide, 1295mm-deep footprint with the shock package. That 1927.8kg weight capacity is the headline spec, but the number that actually drives deployment decisions is the 1143mm maximum mounting depth — it's the difference between fitting full-depth NVR appliances cleanly and fighting rear-clearance issues every time you add a cable management arm.
Technical Highlights:
- 1295mm Usable Depth: The 292mm–1143mm rail adjustment range means this enclosure handles the full spectrum from shallow 1U patch panels to deep 4U NVR chassis in the same rack — no need to pre-sort equipment by depth before populating.
- 1927.8kg Structural Limit: Real-world 42U builds rarely exceed 900–1,000kg even fully populated with drives and power supplies. This headroom means you're never constrained by the frame on a dense surveillance recorder or edge server deployment.
- Shock Package Variant: The shock package is purpose-built for pre-populated transit — rack the NVRs, switches, and PDUs in your staging area, then ship as a complete assembly. Eliminates on-site installation time, which matters when you're standing up a remote location with limited skilled labor available.
Deployment Considerations:
- The 2205mm shipping package height is taller than the 1991mm assembled rack — verify your receiving dock, freight elevator, and any interior corridor dimensions against the crated height before scheduling delivery, not after.
- At 360kg shipping weight, this enclosure requires a dock leveler and pallet jack rated for the load. Standard hand trucks and two-person carries are not adequate; confirm your site's receiving equipment before the truck arrives.
The AR9550SPB2 is the right specification for IT closets and machine rooms being built out in stages — the shock package makes pre-populated rack shipping viable, and the 750mm width gives you the cable management clearance that 600mm enclosures sacrifice when density climbs past 20U of active gear.
