P21112-B21 HPE Intel E810-CQDA2 Ethernet 100Gb 2-port QSFP28 Internal Ethernet / Fiber 100000 Mbit/s
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Intel E810-CQDA2 Ethernet 100Gb 2-port QSFP28
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overview
specifications
resources
faqs
reviews
P21112-B21 Overview
Is your data center constantly challenged to deliver increased security and reliability in a cost-effective and scalable solution for your network bandwidth?
The HPE Gen10 Plus Ethernet Adapters are 1Gb, 10Gb, 10/25Gb and 100Gb and 200 Gb Ethernet solutions that are scalable and compatible with HPE Gen10 Plus servers for hybrid cloud services, mobile data and streaming video applications.
Your server is the foundation of your data center, but it doesn’t work alone. When one link in your component chain slows down, so does the rest of your operation. Keep your network and data flowing with a seamless ecosystem of HPE servers, networking adapters, transceivers, cables, and switches.
Features
Better Performance
- HPE Gen10 Plus Ethernet Adapters are engineered for an assortment of bandwidths and latency sensitive applications.
- Reduces CPU utilization with support for a variety of I/O offloads including RDMA and Tunneling.
Reliability and Security
- HPE Gen10 Plus Ethernet Adapters authenticate updates for NICs that signed firmware is correct and trusted to reduce rogue firmware installation.
- Protect applications, data, and server infrastructure by authenticating digitally-signed firmware via a root of trust architecture.
Intel E810-CQDA2 Ethernet 100Gb 2-port QSFP28 Adapter for
- Wired
- PCI Express 4.0 Ethernet / Fiber
- 100000 Mbit/s
- Internal Component for: Server
Summary Description
HPE Intel E810-CQDA2 Ethernet 100Gb 2-port QSFP28. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Ethernet / Fiber. Maximum data transfer rate: 100000 Mbit/s
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | HPE |
| Stock | In Stock |
Ports & interfaces
| Connectivity technology | Wired |
|---|---|
| Host interface | PCI Express |
| Interface | Ethernet / Fiber |
| Fiber ports quantity | 2 |
| Fiber optic connector | QSFP28 |
| PCI version | 4.0 |
Network
| Maximum data transfer rate | 100000 Mbit/s |
|---|
Design
| Component for | Server |
|---|---|
| Internal | Yes |
Weight & dimensions
| Width | 214.9 mm |
|---|---|
| Depth | 246.9 mm |
| Height | 61.7 mm |
| Weight | 330 g |
Logistics data
| Harmonized System (HS) code | 85176990 |
|---|
Resources
Frequently Asked Questions
What primary benefits does the HPE Intel E810-CQDA2 bring to a high-performance data center? +
The HPE Intel E810-CQDA2 offers exceptional throughput with two 100GbE ports, utilizing the advanced E810 chipset to significantly reduce CPU overhead. It is engineered to handle massive data traffic, making it ideal for high-density virtualization, cloud applications, and storage-heavy workloads that require low-latency networking and optimized packet processing.
Which server platforms are compatible with the P21112-B21 network interface card? +
This adapter is specifically designed for integration with HPE ProLiant servers. It connects via a PCIe interface, providing a seamless high-speed networking solution. To confirm specific slot compatibility or mezzanine configurations for your existing chassis, consult your server’s technical documentation or reach out to our sales team for assistance with your particular hardware setup.
Does the Intel E810-CQDA2 support RDMA for storage acceleration? +
Yes, this card supports Remote Direct Memory Access (RDMA), which allows for direct data transfer between the memory of two computers without involving either system's operating system. By utilizing iWARP and RoCE v2, it offloads storage traffic, effectively reducing latency and increasing bandwidth efficiency for demanding NVMe-over-Fabrics or high-performance computing environments.
What type of optical transceivers or cables are required for this 100GbE NIC? +
The P21112-B21 features two QSFP28 ports. These ports support a variety of connectivity options, including 100GbE QSFP28 optical transceivers for long-reach fiber connections or DAC (Direct Attach Copper) cables for short-range top-of-rack deployments. Ensure that the selected cables or transceivers are validated for HPE networking equipment to maintain optimal link stability and performance.
How does this NIC assist with virtualization and multi-tenant cloud traffic? +
The Intel E810-CQDA2 features Application Device Queues (ADQ) and advanced traffic steering capabilities. These technologies allow administrators to prioritize specific application traffic, ensuring consistent performance for virtual machines even in congested multi-tenant environments. This granularity helps prevent noisy-neighbor issues and optimizes the delivery of network resources across various cloud workloads.
Can I use the HPE Intel E810-CQDA2 in a standard PCIe expansion slot? +
Yes, this is a standard PCIe form factor network card. It is designed to be installed into the PCIe slots of compatible HPE servers. Before installation, verify that your server’s PCIe riser and power supply have sufficient overhead to support a dual-port 100GbE adapter to ensure reliable operation under heavy network loads.
What management features are available for this Intel-based network card? +
Management is handled through standard HPE integrated server management tools. Because this card uses the Intel E810 controller, it integrates smoothly with existing driver stacks and orchestration software, allowing for streamlined configuration of network parameters, firmware updates, and performance monitoring directly through the HPE server management interface.
How does the power efficiency of the P21112-B21 compare to older 100GbE adapters? +
The E810 chipset represents a significant evolution in power efficiency compared to previous generations of 100GbE controllers. By improving the performance-per-watt ratio, this card allows data centers to scale their network bandwidth to 100Gbps without imposing drastic increases in power consumption or cooling requirements, contributing to lower overall operating costs.
How can I request a bulk quote for multiple HPE P21112-B21 units? +
If you are planning a large infrastructure deployment and require a high volume of these NICs, we encourage you to contact our dedicated sales department. Our team is equipped to provide competitive bulk pricing and can help coordinate large-scale orders to ensure your project stays within budget while meeting all your enterprise networking requirements.
Why should I choose BuyRouterSwitch.com for my enterprise hardware needs? +
BuyRouterSwitch.com is a trusted source for original enterprise networking equipment. When you purchase from us, you receive authentic, factory-sealed products sourced through established industry channels. We specialize in complex network configurations and offer a streamlined procurement process designed to get the critical hardware you need delivered to your facility efficiently and securely.
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