Hewlett Packard Enterprise
Hewlett Packard Enterprise 647581-B21-RFB Networking Card – 2-Port SFP+ PCIe 2.0 x8 10Gb/s
Hewlett Packard Enterprise 647581-B21-RFB Networking Card – 2-Port SFP+ PCIe 2.0 x8 10Gb/s
Amazon Pricing Disclaimer
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
In stock: 3
Couldn't load pickup availability
- Trusted by Thousands
- Order with confidence
- Fully tracked shipping
MPN: 647581-B21-RFB
EAN: 5711783517320
Manufacturer: Hewlett Packard Enterprise
Condition: Refurbished
Trusted by customers since 2009
Trusted by customers since 2009
We have been serving customers since 2009, with thousands of completed orders across eBay, Amazon, and our own online store. Our long-standing presence reflects our focus on reliable service, clear communication, and responsive customer support.
Product details information
Product details information
We take care to ensure all product descriptions and specifications on our website are accurate and current at the time of listing. Product packaging or minor details may change over time. If a specific feature or compatibility requirement is important to you, please contact us before placing your order and we will be happy to assist.
Estimated dispatch
Estimated dispatch
Estimated dispatch time: 2–7 working days.
Dispatch times are shown to reflect stock availability and order processing. You will receive tracking information as soon as your order has been dispatched.
Secure Checkout
Secure Checkout
Shop confidently using secure & encrypted payment system managed by Shopify and PayPal. Choose from a wide range of trusted payment options, including PayPal, Amex, Visa, MasterCard, Shopify Payment and more. For added flexibility, we also accept Klarna.

Hewlett Packard Enterprise 647581-B21-RFB Networking Card – 2-Port SFP+ PCIe 2.0 x8 10Gb/s
- DUAL SFP+ PORTS – Provides high-speed 10Gb/s connectivity for enhanced network performance.
- PCIe 2.0 x8 INTERFACE – Ensures fast and efficient data transfer for enterprise applications.
- ADVANCED NETWORKING SUPPORT – Features VLAN tagging, jumbo frames, and NIC teaming for flexible deployment.
- CERTIFIED FOR SAFETY – Meets CE, RoHS, and multiple international standards for quality and compliance.
- 1-YEAR WARRANTY – Backed by a manufacturer warranty for reliable, long-term use.
Product Description:
The Hewlett Packard Enterprise 647581-B21-RFB Networking Card is designed to deliver high-speed, reliable connectivity for enterprise networks. Featuring two SFP+ ports and a PCIe 2.0 x8 interface, this card supports advanced networking features and robust data transfer rates, making it an excellent choice for business-critical applications.
Features:
- Dual SFP+ ports for high-speed networking
- PCIe 2.0 x8 interface for fast data throughput
- Broadcom BCM57810S chipset for enhanced reliability
- Supports VLAN tagging, jumbo frames, and NIC teaming
- LED indicators for easy status monitoring
Technical Specifications:
- Data Transfer Rate: 10 Gbit/s per port
- Internal Memory: 256 MB
- Product Colour: Grey
- Full Duplex: Yes
- Ethernet LAN: Yes
- Wi-Fi: No
- Certification: BSMI, CNS13438, CE, EN 60590, EN55022, EN55024, EN61000-3-2, EN61000-3-3, FCC Part 15, ICES-3, KN22, KN24, UL/cUL, VCCI V3
What's Included:
- Hewlett Packard Enterprise 647581-B21-RFB Networking Card
- Documentation
Warranty & Shipping:
- 1-year manufacturer warranty
- Fully certified for UK and EU compliance
Technical Specifications:
| Wi-Fi | No |
|---|---|
| Chipset | Broadcom BCM57810S |
| Internal | Yes |
| Warranty | 1 Year(s) |
| Interface | Ethernet |
| Full Duplex | Yes |
| Ethernet Lan | Yes |
| Certification | BSMI, CNS13438 (2006) Class EN55022:2006+A12007 class A, CE, EN 60590, EN55022:2006 + A1:2007 Class A, EN55024:1998+A1:2011+A2, EN61000-3-2:2006, EN61000-3-3:2008, FCC Part 15 Class A, ICES=--3, Issue 4, KN22 Class A, KN24, UL/cUL, VCCI V3 (2010.04) Class A |
| Led Indicators | Yes |
| Product Colour | Grey |
| Internal Memory | 256 MB |
| Data Transfer Rate | 10 Gbit/s |
| Jumbo Frames Support | Yes |
| Compatible Memory Cards | Not supported |
| Maximum Data Transfer Rate | 40000 Mbit/s |
Return to the collection you were browsing
Back to Networking Cards in System Components