Name: R491V Dell FastLinQ QL41262 2-Port 25GbE SFP28 PCIe Gen3 x8 Adapter
Brand: Dell
SKU: R491V
Price: 59.00 USD
Availability: InStock
Rating: 4.8 (112 reviews)

Product Overview
The R491V - Dell FastLinQ QL41262 PCIe Adapter provides dual 25GbE SFP28 ports designed for high-speed network environments. It fits into server systems requiring enhanced throughput and efficient data handling, bridging the gap between server processing and network communication without added latency or bottlenecks.

General Information
Brand	Dell

Technical Information
Product Type	Network Interface Card
Chipset/Controller	Marvell FastLinQ QL41262
Virtualization Support	SR-IOV, VMDq, VXLAN, Geneve, NetQueue, vNIC
Data Rate (Speed)	25GbE
Data Center Bridging	Yes
Storage Over Ethernet	iSCSI, FCoE (Fibre Channel over Ethernet)
Interface (Bus)	PCIe 3.0 x8
Number of Ports	2-Port (Dual)
OS Compatibility	Windows Server 2022, VMware ESXi 8.0, RHEL
Network Management	SNMP, RMON
Offload Support	RDMA, RoCE v2, iSCSI, FCoE, PXE Boot, Jumbo Frames
Bracket Height	Both Brackets Included

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	SFP28
Cabling Type	AOC
Weight	3.00
Condition	Refurbished

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL

Product Description
The R491V - Dell FastLinQ QL41262 is a network adapter designed to deliver high-bandwidth and low-latency Ethernet connections. It is commonly found in server environments where fast data transmission and reliable network performance are critical. Built for IT professionals and system administrators, it enhances network infrastructure by supporting modern data center workloads and virtualization. Key Features High throughput with dual 25GbE SFP28 ports for increased network capacity PCIe Gen3 x8 interface enables efficient data movement between server and network Supports RDMA (Remote Direct Memory Access) to lower CPU overhead and latency Advanced offloading capabilities reduce processing demands on the host system Broad compatibility with major operating systems and server hardware In practical terms, this adapter helps maintain stable and fast network connections essential for data-intensive applications. Its reliable performance and robust design ensure smooth operation in demanding network conditions.

Use Cases
This network adapter is typically deployed in data centers and enterprise IT environments where high network bandwidth and low latency are essential. It suits organizations needing to support virtualization platforms and storage clusters with demanding throughput requirements. How It's Used: Connecting servers in data centers to high-speed network fabrics Supporting virtualization hosts with fast network interfaces for VM traffic Enabling storage area networks (SAN) with low-latency Ethernet connections Integrating into rack-mounted server setups requiring scalable networking Improving network efficiency in edge computing deployments by offloading tasks By delivering consistent speed and offloading features, the adapter boosts operational efficiency and network scalability. It reliably handles data flows that are typical in modern IT infrastructures, helping maintain performance under load.

Tech Atlantix

R491V Dell FastLinQ QL41262 2-Port 25GbE SFP28 PCIe Gen3 x8 Adapter

R491V

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