Description
The HPE 400G QSFP-DD to QSFP-DD 3m Active Optical Cable (R9B45A) is a high-performance fiber optic network cable designed for fast and reliable data transmission in modern data centers and enterprise networks. Featuring QSFP-DD connectors on both ends and a 9.84-foot (3-meter) active optical construction, this cable supports ultra-high-speed 400 Gbit/s bandwidth for demanding network environments. Engineered with AOC (Active Optical Cable) technology, it provides improved signal integrity and reduced power consumption compared to traditional copper solutions.
Ideal for short-distance, high-bandwidth interconnects between switches, routers, and other network devices, the HPE R9B45A ensures maximum performance, reliability, and efficiency.
| Specification | Details |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Part Number | R9B45A |
| Cable Type | Fiber Optic |
| Cable Length | 3 meters (9.84 feet) |
| Connector 1 | QSFP-DD Network |
| Connector 2 | QSFP-DD Network |
| Data Transfer Rate | 400 Gbit/s |
| Technology | Active Optical Cable (AOC) |
| Device Compatibility | Network Devices |
| Weight | Approx. 0.30 lb |
| Condition | New and Factory Fresh |
| Shipping Weight | 1 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
