Description
The APC NetShelter SX Gen 2 45U Rack Enclosure (AR3305B2) is purpose-built for modern IT deployments, especially high-density AI, networking, and server environments. This second-generation rack offers enhanced airflow, greater load capacity, and industry-leading cable and power management options. With robust steel construction, 80% perforated doors for maximum ventilation, and tool-less accessory integration, it’s ideal for sustainability-focused data centers and customer-facing spaces.
Whether you're expanding your infrastructure or optimizing existing setups, the AR3305B2 delivers scalability, security, and convenience. Fully compatible with APC’s wide ecosystem of accessories and monitoring solutions.
| Category | Details |
|---|---|
| Product Type | Rack Enclosure |
| Model Number | AR3305B2 |
| Rack Units | 45U |
| Dimensions (HxWxD) | 2124 x 600 x 1200 mm (83.62 x 23.62 x 47.24 in) |
| Net Weight | 137.84 kg (303.89 lb) |
| Color | Black |
| Mounting Depth | Max: 1048 mm (41.26 in), Min: 190.5 mm (7.5 in) |
| Rack Width | 19” |
| Load Capacity | Static: 1814.4 kg (4000 lb), Dynamic: 1020.6 kg (2250 lb) |
| Door Type | 270° Opening (180° when bayed), 80% perforation |
| Included Accessories | Side panels, casters, leveling feet, mounting & baying hardware, keys |
| Standards Compliance | UL 2416, EIA-310E |
| Country of Origin | China |
| Warranty | 5-year repair or replace |
| Packaging Dimensions | 226.2 x 74.8 x 132.3 cm (89.06 x 29.45 x 52.09 in) |
| Packaging Weight | 158.4 kg (349.2 lb) |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
