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Dual QSFP28 ports deliver strong 100Gb connectivity.
E8102CQDA2
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ENET NETWORK ADAPTER E810-2CQDA2 RETAIL MM#99AL14
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E8102CQDA2
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E8102CQDA2 Overview
E8102CQDA2 is a high-performance Ethernet adapter engineered for environments that demand reliable and rapid network connectivity. Designed as an internal PCIe card, this device offers data rates up to 10Gbps and features a robust RJ-45 connector, making it an ideal choice for data centers, enterprise networks, and high-speed workstations.
Optimized for compatibility with major operating systems such as Windows, Linux, macOS, and virtualization platforms like VMware and Hyper-V, the E8102CQDA2 supports essential protocols including TCP/IP, UDP, and iSCSI. Its advanced features—such as auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS—combined with a compact form factor and efficient power management, ensure seamless integration and exceptional performance in demanding network infrastructures.
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E8102CQDA2 Specifications
- Product Type
- Network Adapter
- Adapter Type
- Ethernet
- Data Rate
- 10Gbps
- Connection Interface
- PCIe
- Supported Protocols
- TCP/IP / UDP / iSCSI
- Form Factor
- Internal PCIe Card
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Windows / Linux / macOS / VMware / Hyper-V
- Max Speed
- 10Gbps
- Supported Features
- Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS
- Power Consumption
- 15W
- Connector Type
- RJ-45
- Maximum Range
- 100 meters
- Bus Type
- PCIe x4
- Product Name
- E8102CQDA2 Ethernet Network Adapter
- Height
- 1.2 inches
- Width
- 3.3 inches
- Depth
- 0.8 inches
- Weight
- 0.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| E8102CQDA2 |  E810XXVDA2 |  E810CQDA2OCPV3 |  9462.NGWG.NV |  E810XXVDA4 | |
|---|---|---|---|---|---|
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 25Gbps | 10Gbps | 10Gbps | 25Gbps |
| Connection Interface | PCIe | PCIe Gen4 | PCIe | PCIe | PCIe |
| Supported Protocols | TCP/IP / UDP / iSCSI | TCP/IP / UDP / iSCSI | TCP/IP / UDP / iSCSI | TCP/IP, UDP, iSCSI, NFS | TCP/IP / UDP / iSCSI / NFS |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Windows / Linux / macOS / VMware / Hyper-V | Windows / Linux / VMware / Hyper-V | Windows / Linux / macOS | Windows, Linux, macOS, VMware, Hyper-V | Windows / Linux / macOS / VMware / Hyper-V |
| Max Speed | 10Gbps | 25Gbps | 10Gbps | 10Gbps | 25Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | 15W | 15W | N/A | N/A | 25W |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | SFP28 |
| Maximum Range | 100 meters | 100 meters | N/A | N/A | N/A |
| Bus Type | PCIe x4 | PCIe x8 | PCIe x4 | PCIe x4 | PCIe x16 |
| Product Name | E8102CQDA2 Ethernet Network Adapter | Intel® Ethernet Network Adapter E810XXVDA2 | E810CQDA2OCPV3 | 9462.NGWG.NV Ethernet Network Adapter | Intel Ethernet Network Adapter E810XXVDA4 |
| Height | 1.2 inches | N/A | N/A | N/A | N/A |
| Width | 3.3 inches | N/A | N/A | N/A | N/A |
| Depth | 0.8 inches | N/A | N/A | N/A | N/A |
| Weight | 0.5 lbs | N/A | N/A | N/A | N/A |
Reviews & Ratings
B
Bruno Castillo
5
Consistent PCIe 4.0 performance with low latency.
C
Carter Monroe
5
Reliable high-bandwidth networking for enterprise clusters.
D
Dario Hassan
5
Stable throughput and excellent compatibility.
E
Eamon Fletcher
5
Handles heavy compute traffic without degradation.
F
Faraz Siddiqui
4
Professional-grade adapter meeting data center requirements.
Questions & Answers
What is the Intel Ethernet Network Adapter E810-2CQDA2 (SKU: E8102CQDA2)?
The Intel Ethernet Network Adapter E810-2CQDA2 (SKU: E8102CQDA2) is a dual-port 100 GbE QSFP28 PCIe 4.0 server adapter with advanced offloads and virtualization features for data centers.
What network speeds does the E810-2CQDA2 support?
The E810-2CQDA2 supports 100 GbE per QSFP28 port and is backward compatible with 40 GbE, 50 GbE and 25 GbE modes using breakout cables.
Which interface and form factor does this adapter use?
The adapter uses a PCI Express 4.0 x16 interface in a full-height, half-length, single-slot form factor with an included low-profile bracket.
Which operating systems are compatible with the E810-2CQDA2?
Intel provides validated drivers for Windows Server, major Linux distributions (RHEL, CentOS, Ubuntu), VMware ESXi and OpenStack-based environments.
Does the E810-2CQDA2 support virtualization technologies?
Yes, the adapter supports SR-IOV, VMDq, NVGRE and VXLAN offloads to maximize VM density and network performance.
What advanced offload features does this network adapter offer?
It offers DPDK acceleration, TCP/UDP checksum offload, Flow Director, RSS, iWARP and RoCE RDMA to reduce CPU load and latency.
Can the E810-2CQDA2 perform RDMA over Converged Ethernet (RoCE)?
Yes, the adapter fully supports RoCE v1/v2 for low-latency, high-throughput RDMA traffic in converged networks.
What is the typical power consumption of the E810-2CQDA2?
Typical power consumption is approximately 20 W under load, with a maximum of 25 W per adapter under full operational conditions.
Which cables and transceivers can I use with this adapter?
Use Intel-qualified QSFP28 optical modules, DAC/AOC cables or breakout cables (to SFP28) for 25 GbE connectivity.
Is the E810-2CQDA2 compatible with non-Intel servers?
Yes, the adapter is vendor-agnostic and operates in any standard PCIe 4.0 slot, provided compatible drivers are installed.
What are the primary use cases for this network adapter?
Typical use cases include cloud and virtualized data centers, high-performance computing, storage networking and financial trading platforms.
How do I install the Intel E810-2CQDA2 adapter?
Shut down the server, insert the adapter into a PCIe 4.0 x16 slot, secure the bracket, power on and install Intel drivers from support.intel.com.
Does the retail package include a warranty and accessories?
Yes, the retail kit (MM# 99AL14) includes the adapter, low-profile bracket, Quick Start Guide and a 3-year limited warranty.
Can the E810-2CQDA2 operate at 25 GbE speeds?
Yes, with a compatible breakout cable, each QSFP28 port can be configured to deliver 4×25 GbE channels.
Where can I purchase the Intel E810-2CQDA2 adapter?
Purchase the adapter through Intel authorized distributors, resellers or major e-commerce platforms carrying SKU E8102CQDA2.
How do I update firmware and drivers for this adapter?
Download the latest firmware and driver packages from Intel’s official support site (support.intel.com) and follow the provided installation guide.