HPE 649281-B21 10Gb 40Gb Dual Port 544QSFP G8 Adapter
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Product Overview Of HPE 649281-B21 10Gb 40Gb Adapter
The HPE 649281-B21 Dual Port 544QSFP G8 Adapter is a high-performance networking solution designed for enterprise-grade data centers, cloud infrastructures, and virtualization environments. Built with advanced Mellanox ConnectX-3 VPI technology, this adapter delivers flexible connectivity options supporting both 10GbE Ethernet and 40Gb InfiniBand workloads, ensuring maximum scalability and efficiency for modern IT systems.
General Information
- Manufacturer: HPE (Hewlett Packard Enterprise)
- Part Number: 649281-B21
- Product Type: Network Adapter / InfiniBand Host Channel Adapter (HCA)
Technical Architecture
- Enterprise-grade dual-port QSFP+ network adapter
- Supports converged Ethernet and InfiniBand environments
- Optimized for high-density server deployments
- Designed for scalable data center architectures
Advanced Hardware Specifications
- Form Factor: Standard PCIe plug-in expansion card
- Interface Slot: PCI Express 3.0 x8 host bus
- Network Processor: Mellanox ConnectX-3 VPI engine
- Ports: 2 x QSFP+ (Quad Small Form-factor Pluggable Plus)
High-Speed Data Throughput
- Maximum raw throughput up to 56 Gbps InfiniBand FDR
- Supports low-latency, high-bandwidth workloads
- Ideal for virtualization, HPC, and cloud networking
Protocol Flexibility
- Configurable per-port operation
- Supports InfiniBand mode (QDR/FDR standards)
- Supports Ethernet mode (10GbE / 40GbE auto-negotiation)
- Mixed deployment capability for hybrid infrastructures
Traffic Optimization Features
- Hardware-based Quality of Service (QoS)
- 802.1Q VLAN segmentation and isolation
- Enhanced traffic prioritization for mission-critical applications
- Reduced network congestion and improved efficiency
Compatibility & Deployment
- DL Series (Rack Servers): DL160, DL360p, DL380e, DL380p, DL385p, DL560 Gen8
- SL Series (Scalable Platforms): SL230s Gen8 compute systems
Universal PCIe Compatibility
- Works in PCIe x8 and x16 slots
- Compatible with enterprise servers and workstation systems
- Supports third-party hardware platforms (white-box servers)
QSFP+ Port Infrastructure
- Dual QSFP+ high-speed external ports
- Designed for short-range and long-range data transmission
- Optimized for rack-to-rack connectivity
Supported Cabling Options
- QSFP+ Direct Attach Copper (DAC) twinax cables
- 40G optical modules (SR4 / LR4 transceivers)
- MPO/MTP multi-fiber optical cabling systems
Adapter & Conversion Support
- QSFP+ to SFP+ adapter compatibility for legacy switches
- Supports integration with 10GbE infrastructure
- Flexible migration path for upgrading networks
Performance Optimization Scenarios
- Low-latency financial trading systems
- Big data analytics workloads
- AI and machine learning infrastructure
- High-bandwidth database replication systems
Operational Benefits
- Improved network efficiency and bandwidth utilization
- Reduced hardware complexity through unified architecture
- Enhanced data center performance and responsiveness
- Cost-effective upgrade path for legacy systems
HPE 649281-B21 10Gb 40Gb Dual Port 544QSFP G8 Adapter
The HPE 649281-B21 10Gb 40Gb Dual Port 544QSFP G8 Adapter is a high-performance server network interface solution engineered for modern enterprise data centers that demand ultra-fast connectivity, scalable bandwidth, and low-latency data transfer capabilities. Designed for HPE ProLiant Gen8 server environments and compatible infrastructure, this adapter delivers advanced dual-port networking functionality through QSFP (Quad Small Form-factor Pluggable) interfaces, enabling seamless integration into high-density virtualized and cloud-optimized systems.
Built for mission-critical workloads, this adapter supports both 10 Gigabit Ethernet and 40 Gigabit Ethernet speeds, making it a versatile choice for organizations transitioning between network infrastructures or maintaining hybrid-speed environments. Its architecture ensures consistent throughput, reduced bottlenecks, and improved workload balancing across multiple network channels.
Advanced Network Architecture
The architecture of the HPE 649281-B21 adapter is centered around efficiency, scalability, and enterprise-grade reliability. It is built with a dual-port QSFP design that enables simultaneous high-speed data transmission across two independent channels. This dual-port structure enhances redundancy and load distribution, ensuring continuous network availability even under heavy traffic conditions.
High-Density Connectivity Framework
The adapter integrates a high-density connectivity framework that supports both 10GbE and 40GbE configurations. This flexibility allows data centers to optimize their network environments based on workload requirements. Whether deployed in storage-heavy environments or compute-intensive virtualization clusters, the adapter ensures seamless data flow without compromising performance stability.
Efficient Data Channel Management
Each port on the adapter operates independently, allowing intelligent data channel management. This ensures that traffic can be segmented efficiently between applications, reducing congestion and improving overall network responsiveness. The internal processing logic is optimized for minimal packet loss and high throughput consistency.
Performance Optimization
Performance is a core strength of the HPE 649281-B21 10Gb 40Gb Dual Port 544QSFP G8 Adapter. It is engineered to handle heavy data loads while maintaining minimal latency and maximum throughput efficiency. The adapter is optimized for high-bandwidth applications such as virtualization, database management, real-time analytics, and storage replication.
Low Latency Packet Processing
The adapter incorporates advanced packet processing mechanisms that reduce latency significantly, ensuring faster response times for time-sensitive applications. This is particularly beneficial in environments where milliseconds can impact transactional performance or system synchronization.
Bandwidth Aggregation Capability
With support for dual-port bandwidth aggregation, the adapter can combine multiple data streams to increase effective throughput. This capability enhances performance in clustered environments and ensures balanced utilization of network resources.
Optimized Workload Distribution
Workload distribution is intelligently managed across both ports, reducing the risk of network saturation. This ensures that high-demand applications receive stable and uninterrupted connectivity even during peak usage periods.
QSFP Interface
The QSFP interface used in the HPE 649281-B21 adapter is a critical component that enables high-speed data transmission and flexible connectivity options. QSFP technology is widely used in enterprise networking due to its ability to support multiple data channels within a compact form factor.
Flexible Cable and Transceiver Support
The adapter supports a wide range of QSFP transceivers and compatible fiber optic cables, allowing administrators to tailor connectivity solutions based on distance, bandwidth, and environmental requirements. This flexibility ensures compatibility across diverse data center architectures.
Enterprise-Level
The HPE 649281-B21 adapter is specifically designed to support virtualization-heavy workloads. In modern data centers where virtual machines dominate computing resources, efficient network adapters are essential for maintaining performance consistency across virtualized environments.
VM Traffic Optimization
The adapter efficiently handles virtual machine traffic by distributing bandwidth dynamically based on demand. This ensures that no single VM monopolizes network resources, maintaining fairness and performance stability across the system.
Data Center Optimization
Modern data centers require scalable and efficient networking solutions, and the HPE 649281-B21 adapter is designed with these requirements in mind. It enhances overall data center efficiency by reducing latency, improving bandwidth utilization, and enabling seamless scalability.
Cloud Infrastructure Compatibility
The adapter is well-suited for cloud-based environments where scalability and performance are critical. It supports high-volume data transfer operations required in private cloud, hybrid cloud, and multi-tenant infrastructures.
Security and Data Integrity Features
Security and data integrity are essential in enterprise networking, and this adapter includes several built-in mechanisms to support secure data transmission. These features help protect sensitive information and maintain system reliability.
Secure Data Transmission Channels
The adapter ensures that data transmitted across network channels remains protected from corruption and unauthorized interference. This is critical in environments handling financial, healthcare, or enterprise-sensitive data.
Error Detection and Correction Mechanisms
Advanced error detection systems are integrated to identify and correct transmission errors in real time. This reduces data loss and ensures consistent reliability across all network operations.
Deployment Scenarios and Use Cases
The HPE 649281-B21 10Gb 40Gb Dual Port 544QSFP G8 Adapter is suitable for a wide range of enterprise deployment scenarios, including virtualization clusters, storage area networks, cloud computing environments, and high-performance computing infrastructures.
High-Performance Storage Systems
It is also ideal for storage-intensive applications where rapid data access and transfer speeds are essential. The high bandwidth capability supports efficient storage replication and backup processes.
Installation and Integration
Installation of the HPE 649281-B21 adapter is designed to be straightforward in compatible HPE ProLiant Gen8 systems. Proper integration ensures maximum performance and long-term reliability in enterprise environments.
Server Compatibility Framework
The adapter is engineered specifically for compatibility with supported HPE server architectures, ensuring seamless hardware recognition and driver integration during setup.
Configuration Flexibility
Administrators can configure the adapter based on network requirements, including speed settings, port utilization, and redundancy configurations. This flexibility allows optimization for different workloads.
Energy Efficiency and Operational Stability
Energy efficiency is an important consideration in modern data centers, and the HPE 649281-B21 adapter is designed to operate with optimized power consumption while maintaining high performance levels. Its architecture ensures efficient energy use without compromising throughput or reliability.
Thermal Management
The adapter incorporates thermal-aware design principles that help regulate operating temperatures under heavy workloads, contributing to overall system stability.
Reduced Power Overhead
Power efficiency features reduce unnecessary energy consumption during low-traffic conditions, helping data centers manage operational costs more effectively.
