Name: 21WF2 Dell Dual-Port 25GbE Intel E810XXVDA2 PCIe 4.0 x8 Network Adapter
Brand: Dell
SKU: 21WF2
Price: 296.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 21WF2 Dell 21WF2 Intel E810XXVDA2 is a dual-port 25 Gigabit Ethernet adapter designed to fit into PCIe 4.0 x8 slots. It’s built to provide reliable, fast network connections primarily in server and data center contexts, helping organizations manage large volumes of data traffic with ease and sustain network performance under heavy loads.

General Information
Brand	Dell
Part Number	21WF2

Technical Information
Chipset/Controller	Intel E810XXVDA2 (Intel E810)
Virtualization Support	SR-IOV, VMDq, VXLAN, NVGRE, Geneve, NetQueue, vNIC
Data Rate (Speed)	25GbE
Data Center Bridging	Yes
Storage Over Ethernet	iSCSI, FCoE (Fibre Channel over Ethernet)
Interface (Bus)	PCIe 4.0 x8
Number of Ports	2-Port (Dual)
OS Compatibility	Windows Server 2022, VMware ESXi 8.0, RHEL, VMware ESXi
Network Management	SNMP, RMON, NC-SI, IPMI
Offload Support	RDMA, RoCE v2, iSCSI, PXE Boot, Wake-on-LAN (WoL), TCP Stateless Offload, Jumbo Frames
Bracket Height	Both Brackets Included

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	SFP28
Cabling Type	AOC
Weight	5.00
Condition	Refurbished

Miscellaneous
Assembly Required	Yes
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA, cUL

Product Description
The 21WF2 Dell 21WF2 Intel E810XXVDA2 Network Adapter delivers robust 25 Gigabit Ethernet connectivity with two ports to handle heavy network traffic. It's commonly used in data centers and enterprise servers where speed and reliability are critical. IT professionals and system administrators often find this card beneficial for upgrading network infrastructure to support faster data transfer and low latency. Key Features Offers dual 25GbE ports for enhanced bandwidth and redundancy Utilizes Intel E810XXVDA2 chipset known for stable and consistent performance PCIe 4.0 x8 interface allows faster communication with the host system Supports advanced offloading features to reduce CPU overhead Compatible with a wide range of server platforms and operating systems This adapter is typically deployed in environments that require high throughput, such as virtualization, cloud computing, and storage networks. It plays a key role in maintaining efficient data flow and minimizing bottlenecks in busy network setups.

Use Cases
The Dell 21WF2 dual-port 25GbE network adapter is commonly deployed in high-performance data centers and enterprise IT infrastructures where robust and low-latency network connectivity is critical. IT teams managing virtualization platforms and storage clusters benefit from its ability to handle large-scale data traffic efficiently. How It's Used: Accelerates network throughput in virtualization environments supporting multiple VMs and containers. Facilitates high-speed data transfers in storage area networks (SANs) for improved access to shared resources. Enables scalable rack server deployments that require consistent 25GbE connectivity across nodes. Supports edge computing nodes that process data locally while maintaining fast links to centralized data centers. Integrates into enterprise aggregation switches to optimize core network bandwidth and reduce bottlenecks. By delivering reliable 25GbE connections through a PCIe 4.0 interface, the adapter enhances overall network performance and scalability. This allows IT infrastructure to sustain demanding workloads while reducing latency and improving data flow consistency across distributed environments.

21WF2 Dell Dual-Port 25GbE Intel E810XXVDA2 PCIe 4.0 x8 Network Adapter

Product Overview

General Information

Technical Information

Connectivity & Physical

Miscellaneous

Product Description

Use Cases