Intel
Ethernet Network Adapter E810-CQDA2
Best high-speed connectivity for demanding enterprise server environments.
Elevate your server's network performance with the Intel Ethernet Network Adapter E810-CQDA2. This 100 Gigabit Ethernet Card is engineered for demanding server environments, leveraging a PCI Express 4.0 x16 interface for exceptional data throughput. It features dual QSFP28 ports for high-speed optical fiber connections, delivering a robust 12.50 GB/s data transfer rate. Designed for efficiency and flexibility, it includes a low-profile bracket and adheres to EU RoHS environmental standards, making it a reliable and sustainable choice for modern IT infrastructure.
$446.59
Owner Satisfaction
4.7
/ 5
Category Rank
14
/ 961
#14 in Network Cards & Adapters
Price vs Category Average
-56%
Below average
Host Interface
4.016
/ PCI Express x
Who it's for
- Data center architects managing massive cloud infrastructure traffic
- System administrators prioritizing consistent performance for critical enterprise applications
- IT engineers aiming to minimize CPU overhead in high-performance environments
Who should skip it
- Small business owners operating on limited hardware budgets
- Network managers lacking high-speed 100GbE switching infrastructure
- Server technicians working with limited rack cooling capacity
Performance breakdown
Data Throughput
Blistering 100GbE speeds handle the most demanding enterprise data workloads effortlessly.
Interface Efficiency
PCIe 4.0 architecture ensures minimal bottlenecks for high-speed server communication.
Port Density
Dual QSFP28 ports provide excellent flexibility for complex, high-bandwidth network configurations.
Form Factor
Low-profile design fits seamlessly into compact, space-constrained server chassis environments.
Hardware Reliability
Intel E810 chipset delivers industry-standard stability for mission-critical IT infrastructure.
Sustainability
EU RoHS certification confirms a commitment to environmentally responsible manufacturing standards.
Key Specs
Host Interface
PCI Express 4.0 x16
Data Transfer Rate
12.50 GB/s
Total Number of Ports
2
Expansion Slot Type
QSFP28
Media Type Supported
Optical Fiber
Product Type
100 Gigabit Ethernet Card
Environmental Certification
EU RoHS
Bracket Height
Low Profile
Features
- High-performance 100GbE server connectivity
- Dual QSFP28 ports for dense networking
- Fast PCI Express 4.0 interface
- Supports optical fiber media
- Includes low-profile bracket
- EU RoHS certified for environmental compliance
- Powered by Intel E810 Chipset
What customers say
Customers highly praise the Intel E810-CQDA2 for its exceptional raw throughput and consistently low latency, making it vital for HPC and hyperscale data centers running demanding workloads like AI/ML and high-speed storage. Administrators value the robust driver support and advanced features, such as ADQ and DDP, which effectively reduce CPU overhead and boost server efficiency. Reliability in continuous operation is a confirmed strength. While the premium cost and the complexity of configuring advanced optimizations present a barrier for novice users, experts consider this trade-off worthwhile for the unparalleled performance control this dependable adapter delivers.
Know before you buy
The E810-CQDA2 is designed for optical fiber media. You will need compatible QSFP28 optical transceivers and the corresponding fiber optic cables to establish a connection.
Yes, the card includes a low-profile bracket, making it suitable for both low-profile and standard-height server slots. It is highly versatile for various rack-mount configurations.
No, this specific model does not support Wake-on-LAN or Jumbo Frames. It is optimized primarily for high-speed, high-throughput data environments.
To achieve the maximum data transfer rate of 12.50 GB/s, you must install this card into a PCI Express 4.0 x16 slot. While it may be physically compatible with other slots, older PCIe generations will limit the total bandwidth.
Absolutely. With its dual QSFP28 ports and Intel E810 chipset, it is engineered specifically for demanding server environments that require high-speed, reliable 100GbE connectivity.
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