About HPE 817749-B21 640FLR-SFP28 10/25Gb 2-Port Network Adapter in Bangladesh
The HPE 817749-B21 640FLR-SFP28 10/25Gb 2-Port Network Adapter is a high-performance FlexibleLOM (FLR) Ethernet adapter designed for HPE ProLiant Gen9 and Gen10 servers. Powered by the Mellanox ConnectX-4 Lx network controller, it delivers high-speed dual-port 10GbE and 25GbE connectivity with advanced RDMA acceleration, virtualization support, and intelligent hardware offloads. It is an ideal networking solution for enterprise virtualization, cloud computing, storage networking, AI workloads, HPC environments, and modern data centers.
HPE 817749-B21 Specifications & Overview
| Specification |
Details |
| Product Type | Ethernet Server Network Adapter |
| Brand | HPE |
| Part Number | 817749-B21 |
| Model | 640FLR-SFP28 10/25Gb 2-Port Network Adapter |
| Network Controller | Mellanox ConnectX-4 Lx (MCX4121A-ACFT) |
| Host Interface | FlexibleLOM (PCIe Gen3 x8) |
| Form Factor | FlexibleLOM (FLR) |
| Network Ports | 2 × SFP28 |
| Port Speed | 10GbE / 25GbE per Port |
| Aggregate Bandwidth | 100Gbps Full Duplex |
| Supported Media | SFP28 SR, DAC, AOC |
| Supported Features | RoCE, SR-IOV, VXLAN, NVGRE Tunnel Offload, RSS, Jumbo Frames, PXE Boot, UEFI Boot, VLAN Tagging, RDMA |
| Compatible Servers | HPE ProLiant Gen9 & Gen10 Servers with FlexibleLOM Slot |
The dual SFP28 interfaces support both 10GbE and 25GbE networking with up to 100Gbps aggregate full-duplex bandwidth. Advanced technologies including RoCE RDMA, SR-IOV virtualization, VXLAN/NVGRE tunnel offloads, Receive Side Scaling (RSS), and Jumbo Frames reduce CPU utilization while maximizing network throughput for virtualized and cloud environments.
The HPE 817749-B21 is optimized for VMware ESXi, Microsoft Hyper-V, Linux, Kubernetes, OpenStack, enterprise virtualization, software-defined networking, storage networking, AI infrastructure, high-performance computing (HPC), and enterprise data centers.
Buy HPE 817749-B21 640FLR-SFP28 10/25Gb 2-Port Network Adapter in Bangladesh
Looking for the original HPE 817749-B21 640FLR-SFP28 10/25Gb 2-Port Network Adapter in Bangladesh? Datacom Technologies (BD) supplies genuine HPE networking products with competitive prices, expert consultation, and dependable after-sales support.
Compatibility
- HPE ProLiant DL160 Gen9
- HPE ProLiant DL360 Gen9 & Gen10
- HPE ProLiant DL380 Gen9 & Gen10
- HPE ProLiant DL385 Gen10
- HPE Apollo Gen9 & Gen10 Servers
- VMware ESXi
- Microsoft Windows Server
- Linux (RHEL, Ubuntu, SUSE)
- OpenStack & Kubernetes
Applications
- Enterprise Virtualization
- Cloud Computing
- Storage Networking
- Software-Defined Networking
- AI Infrastructure
- High-Performance Computing (HPC)
- Enterprise Data Centers
- Private Cloud Infrastructure
- Database Servers
- Mission-Critical Applications
Benefits of Choosing HPE 817749-B21 640FLR-SFP28 Adapter
The HPE 817749-B21 combines Mellanox ConnectX-4 Lx technology, FlexibleLOM architecture, dual-port 10/25GbE SFP28 connectivity, PCIe Gen3 performance, RDMA acceleration, and enterprise-grade virtualization features to deliver exceptional networking performance for modern HPE server infrastructures.
Why Buy HPE 817749-B21 640FLR-SFP28 Adapter from Datacom Technologies (BD)?
Datacom Technologies (BD) is a trusted supplier of enterprise servers, storage systems, networking equipment, and data center solutions in Bangladesh. We provide genuine HPE networking products, competitive pricing, expert consultation, and dependable after-sales support.
- Call/WhatsApp: +8801748173213
- Email: sales@datacom.com.bd
- Alternative Email: datacomtechnologiesbd@gmail.com
- Office: Tropical Center, 218 Dr. Kudrat-E-Khuda Road, New Elephant Road, Dhaka-1205, Bangladesh.
Frequently Asked Questions (FAQ)
Q1: Which controller does the HPE 817749-B21 use?
It uses the Mellanox ConnectX-4 Lx network controller.
Q2: Does it support both 10GbE and 25GbE?
Yes. Each SFP28 port supports both 10GbE and 25GbE Ethernet connectivity.
Q3: Does it support RDMA?
Yes. It supports RoCE (RDMA over Converged Ethernet) for low-latency networking.
Q4: Which media types are supported?
It supports SFP28 SR optical transceivers, Direct Attach Copper (DAC), and Active Optical Cables (AOC).
Q5: Which servers are compatible?
It is compatible with HPE ProLiant Gen9 and Gen10 servers equipped with a FlexibleLOM slot.
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