Description
The AddOn HP® 649282-B21-AO is a high-performance 40-Gigabit Ethernet network interface card designed to deliver exceptional speed, scalability, and flexibility for data center, enterprise, and virtualization environments. Built on the reliable Intel® XL710 chipset and fully compliant with IEEE 802.3 standards, this dual-port NIC provides 40Gbps throughput via two open QSFP+ ports, allowing you to tailor connectivity with your choice of QSFP+ transceivers for both multi-mode (MMF) and single-mode (SMF) fiber applications.
With PCIe 3.0 x8 interface support, the 649282-B21-AO ensures low latency and high bandwidth, making it ideal for demanding workloads such as cloud computing, HPC clusters, and network virtualization. It offers advanced VLAN filtering and supports a wide range of operating systems including Windows, Linux, Unix, and macOS. The card comes with both half-height and full-height brackets for versatile deployment in various server form factors.
Each AddOn network interface card undergoes rigorous testing to guarantee seamless interoperability and reliable performance, offering a cost-effective, plug-and-play solution to meet your networking upgrade needs.
| Specification | Details |
|---|---|
| Bus Type | PCIe 3.0 |
| Bus Width | PCIe x8 |
| Chipset | Intel® XL710 |
| Data Rate | 40 Gbps |
| Data Protocol | Ethernet |
| Number of Ports | 2 Ports |
| External Connector | QSFP+ |
| Media Type | MMF or SMF |
| Type | Network Interface Card |
| VLAN Support | Yes |
| Compatible OEM | HP® |
| Compatible OEM Part Number(s) | 649282-B21 |
| Operating System Compatibility | Windows, Linux, Unix, macOS, Novell, FreeBSD, SCO |
| Physical Dimensions (HxWxD) | 10.0 in x 6.0 in x 2.0 in |
| Shipping Weight | 0.4 lbs |
| Compliance Standards | IEEE 802.3 |
| ECCN | EAR99 |
| HTS Code (US) | 8517.62.0090 |
| UNSPSC Code | 43201411 |
| UPC Code | 821455592175 |
| What's Included | 1x Network Interface Card, Half-Height & Full-Height Brackets |
Payment & Security
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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
