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Hewlett Packard Enterprise
Hewlett Packard Enterprise 817749-B21-RFB Ethernet 10/25Gb 2-Port Adapter for ProLiant Servers
Hewlett Packard Enterprise 817749-B21-RFB Ethernet 10/25Gb 2-Port Adapter for ProLiant Servers
High-speed 10/25Gb Ethernet | 2 SFP28 Fibre Ports | PCI Express 3.0 Interface | RoHS Certified
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Product Description:
Enhance your server’s network capabilities with the Hewlett Packard Enterprise 817749-B21-RFB Ethernet 10/25Gb 2-port 640FLR-SFP28 Adapter. Engineered for select HPE ProLiant Gen9 and Apollo servers, this adapter provides high-speed, reliable connectivity for data-intensive applications. RoHS certified and covered by a 1-year warranty, it is ideal for enterprise, telco, and service provider environments.
Key Features:
- Supports 10GbE and 25GbE speeds
- 2 x SFP28 fibre ports
- PCI Express 3.0 interface
- Jumbo frames and QoS support
What's Included:
- Hewlett Packard Enterprise 817749-B21-RFB Ethernet 10/25Gb 2-port Adapter
- Documentation
Warranty and Certification:
- 1-year manufacturer warranty
- RoHS compliant
Key Features:
- Supports 10GbE and 25GbE speeds
- 2 x SFP28 fibre ports
- PCI Express 3.0 interface
- Jumbo frames and QoS support
What's Included:
- Hewlett Packard Enterprise 817749-B21-RFB Ethernet 10/25Gb 2-port Adapter
- Documentation
Warranty and Certification:
- 1-year manufacturer warranty
- RoHS compliant

Usage:
Install the adapter into a compatible HPE ProLiant Gen9 or Apollo server slot. Connect fibre optic cables to the SFP28 ports. Configure network settings to enable 10GbE or 25GbE speeds as required. Use for data-intensive applications requiring reliable, high-bandwidth connectivity.
Key Product Details:
MPN: 817749-B21-RFB
EAN: 5706998860477
Manufacturer: Hewlett Packard Enterprise
Condition: Seller Refurbished
Technical Specifications:
| Power | Power consumption (typical) 10.5 W |
|---|---|
| Internal | Yes |
| Warranty | 1 Year(s) |
| Interface | Ethernet / Fiber |
| Cable Type | 10Gb - Active Optical Cable (AOC) 10Gb - Direct Attach Copper (DAC) 25Gb - Active Optical Cable28 (AOC28) 25Gb - Direct Attach Copper28 (DAC28) |
| Pci Version | 3.0 |
| Ethernet Lan | Yes |
| Component For | Server |
| Host Interface | PCI Express |
| Ports Quantity | 2 |
| Rohs Compliance | Yes |
| Weight (Imperial) | 0.22 lbs |
| Built-In Processor | Yes |
| Compatible Products | ProLiant servers |
| Fiber Ports Quantity | 2 |
| Jumbo Frames Support | Yes |
| Networking Standards | IEEE 802.1ab, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3az, IEEE 802.3x |
| Fiber Optic Connector | SFP28 |
| Ethernet Interface Type | 10 Gigabit Ethernet, 25 Gigabit Ethernet |
| Ethernet Lan Data Rates | 10000, 25000 |
| Maximum Data Transfer Rate | 25 Mbit/s |
| Sustainability Certificates | RoHS |
| Quality Of Service (Qos) Support | Yes |
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