Description
The HPE Aruba Networking 400G QSFP-DD to 2x QSFP56 200G 3m Active Optical Cable (R9B55A) is a high-speed, pre-terminated optical interconnect solution engineered to deliver reliable 400G connectivity. Featuring a QSFP-DD connector on one end and dual QSFP56 200G connectors on the other, this 3-meter active optical cable is ideal for high-performance data center and enterprise network applications that demand bandwidth, reduced latency, and efficient cabling.
Designed for seamless deployment in modern network infrastructures, it supports short-range data transmission with minimal signal loss and offers superior cable management with a lightweight and compact form factor. It's a cost-effective and energy-efficient alternative to traditional transceivers and fiber patch cords, ensuring dependable performance across high-throughput environments.
| Specification | Details |
|---|---|
| Product Number | R9B55A |
| Cable Type | Active Optical Cable (AOC) |
| Connector 1 | QSFP-DD (400G) |
| Connector 2 | 2x QSFP56 (200G each) |
| Data Rate | 400 Gbps total (2 x 200 Gbps) |
| Cable Length | 3 meters |
| Dimensions (WxHxL) | 1.3 cm x 1.8 cm x 324.6 cm |
| Weight | 204.1 grams |
| Applications | High-performance data centers and campus cores |
| Compatibility | HPE Aruba switches and compatible 400G/200G ports |
| Form Factor | Plug-and-play optical cable |
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
