![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_79a65a5f-274d-4cdb-8528-c3e442101d65_{width}x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_09908baf-890e-4567-b780-0861612d44b4_{width}x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_1196a684-96d7-4769-a3b4-bcee53916f1b_{width}x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_8df9b386-cc84-4cfa-9645-757ef2481a95_{width}x.jpg?v=1748569296)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_79a65a5f-274d-4cdb-8528-c3e442101d65_1024x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_09908baf-890e-4567-b780-0861612d44b4_1024x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_1196a684-96d7-4769-a3b4-bcee53916f1b_1024x.jpg?v=1748569315)
![APC NetShelter SX Gen 2 Server Rack, 45U, 750x1200mm, Black with Sides [AR3355B2]](http://www.avendor.com/cdn/shop/files/files_8df9b386-cc84-4cfa-9645-757ef2481a95_1024x.jpg?v=1748569296)
Description
The APC NetShelter SX Gen 2 AR3355B2 is a high-capacity, 45U server rack enclosure engineered for today’s high-density IT environments. Designed with AI, networking, and colocation deployments in mind, it features enhanced airflow, improved cable management, and optimized usability. The robust, all-steel construction supports heavy dynamic and static loads, while the 2nd Gen enhancements offer better sustainability data, more compatible accessories, and increased operational efficiency. Ideal for enterprise data centers, system integrators, and server rooms requiring scalable and secure infrastructure.
| Category | Details |
|---|---|
| Product Type | Rack Enclosure |
| Model Number | AR3355B2 |
| Rack Units (U) | 45U |
| Color | Black |
| Dimensions (H x W x D) | 2124 x 750 x 1200 mm (83.62 x 29.53 x 47.24 in) |
| Net Weight | 161.32 kg (355.65 lb) |
| Static Load Capacity | 1814.4 kg (4000 lb) |
| Dynamic Load Capacity | 1020.6 kg (2250 lb) |
| Rack Width | 19" |
| Mounting Depth | Min: 286 mm / Max: 1048 mm |
| Included Equipment | Side panels, baying hardware, keys, casters, leveling feet, mounting hardware |
| Door Perforation | 80% airflow perforation |
| Material | All-steel frame, 14 gauge EIA rails |
| Standards Compliance | UL 2416, EIA-310E |
| GTIN | 731304642268 |
| Origin | China |
| Warranty | 5-year repair or replace |
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
