01PE285 Lenovo ConnectX-5 Ex 25/40GbE PCI-E 2-ports Adapter

Product Highlights of Lenovo 01PE285 2 Ports Adapter

The Lenovo 01PE285 ConnectX-5 Ex PCI-E Adapter is equipped with 2 ports, providing users with enhanced connectivity options. This feature allows for seamless integration with various devices and networks, making it an essential component for any modern computing setup.

Main Information

• Manufacturer: Lenovo
• Part Number: 01PE285
• Product Type: 2 Ports Network Adapter

Technical Information

• Form Factor: Low Profile Plug-in Card
• Interface (Bus) Type: PCI Express 4.0 x16
• PCI Specification Revision: PCIe 4.0
• Ports: 2 x 40 Gigabit QSFP28
• Data Link Protocols: GigE, 10 GigE, 40 Gigabit LAN, 25 Gigabit LAN
• Data Transfer Rate: 40 Gbps

Network and Transport Protocols

• Protocols Supported: TCP/IP, UDP/IP, iSCSI

Compliance and Standards

• Compliant Standards Include:
• IEEE 802.1Q, IEEE 802.1P, IEEE 802.3ad (LACP)
• IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az
• IEEE 802.3ba, IEEE 802.1AX, IEEE 802.1Qbb
• IEEE 802.1Qaz, IEEE 802.1Qau, IEEE 802.1Qbg
• IEEE 1588v2, IEEE 802.3bj, IEEE 802.3bm
• IEEE 802.3

Lenovo 01PE285 ConnectX-5 Low-Latency Adapter

Enterprise-Grade High-Speed Networking 

The Lenovo 01PE285 ConnectX-5 Ex 25/40GbE PCI-E 2-Port Low-Latency Adapter is a high-performance network interface card engineered for modern enterprise data centers, cloud computing infrastructures, and high-frequency trading environments where ultra-low latency and maximum throughput are essential. Built on advanced Mellanox ConnectX-5 technology, this adapter delivers dual-port Ethernet connectivity supporting both 25 Gigabit Ethernet (25GbE) and 40 Gigabit Ethernet (40GbE) speeds, making it highly versatile for evolving network demands. Its architecture is designed to reduce CPU overhead while accelerating packet processing, ensuring optimized workload distribution across server environments.

This adapter is particularly suited for virtualization, software-defined networking (SDN), network function virtualization (NFV), storage acceleration, and big data analytics. It enables enterprises to scale network performance without replacing existing infrastructure, providing a cost-effective upgrade path for organizations transitioning from 10GbE to higher-speed networks.

PCI-E Gen3/Gen4 Compatibility and Bandwidth Efficiency

The Lenovo 01PE285 adapter utilizes a PCI Express interface designed for high-throughput communication between the network card and the server CPU. With support for PCIe Gen3 x8 or equivalent high-bandwidth lanes depending on system configuration, it ensures minimal bottlenecks even under heavy traffic loads. The adapter is optimized for multi-core processors and distributed computing environments, allowing parallel packet processing and efficient load balancing.

Dual-Port Architecture for Redundant Networking

Featuring a dual-port design, the adapter enables redundancy and link aggregation capabilities. This allows network administrators to configure failover mechanisms or combine both ports for increased bandwidth using link aggregation protocols. Each port independently supports 25GbE or 40GbE speeds, providing flexibility in hybrid network environments where different speed tiers coexist.

Advanced ConnectX-5 Ex Controller Technology

High-Performance Network

At the heart of the Lenovo 01PE285 is the ConnectX-5 Ex controller, a highly optimized network processing engine designed to offload CPU-intensive networking tasks. It supports hardware acceleration for TCP/UDP/IP processing, reducing system latency and freeing CPU resources for application workloads. This is particularly important in virtualized environments where multiple workloads compete for system resources.

RoCE (RDMA over Converged Ethernet)

The adapter supports RDMA over Converged Ethernet (RoCE), enabling direct memory access between servers without involving the CPU. This drastically reduces latency and improves throughput for storage and high-performance computing (HPC) applications. RoCE capability is essential for modern data centers that rely on real-time data processing and distributed computing models.

Performance Optimization and Low-Latency

Ultra-Low Latency Packet Transmission

One of the defining features of the Lenovo 01PE285 is its ultra-low latency design. The adapter minimizes packet processing delay through hardware acceleration and optimized firmware, ensuring near-real-time data transmission. This is critical for industries such as financial trading, real-time analytics, telecommunications, and high-frequency data exchange systems.

Adaptive Interrupt Moderation and CPU Efficiency

The adapter intelligently manages interrupt moderation to balance CPU utilization and network responsiveness. By dynamically adjusting interrupt rates based on traffic patterns, it reduces unnecessary CPU interruptions while maintaining consistent throughput under varying workloads.

Parallel Processing Engine for Multi-Core Systems

Designed for modern multi-core server CPUs, the adapter distributes network processing tasks across multiple queues and processing threads. This parallel architecture ensures that no single CPU core becomes a bottleneck, enhancing overall system scalability and responsiveness.

Data Center and Cloud Integration Capabilities

Virtualization and Multi-Tenant Environments

The Lenovo 01PE285 is optimized for virtualized data centers where multiple virtual machines (VMs) share the same physical infrastructure. It supports Single Root I/O Virtualization (SR-IOV), allowing multiple virtual functions to be assigned directly to VMs. This reduces hypervisor overhead and improves network performance for virtual workloads.

Cloud-Scale Performance Optimization

Cloud service providers benefit from the adapter’s ability to handle massive concurrent connections with consistent performance. Its offload engine ensures that large-scale distributed systems can maintain predictable latency and high throughput, even under peak loads.

Storage Acceleration and RDMA Networking

NVMe over Fabrics (NVMe-oF)

The adapter supports NVMe over Fabrics, enabling high-speed access to remote storage devices as if they were locally attached. This significantly improves storage performance in distributed environments, making it ideal for databases, virtualization storage pools, and cloud storage systems.

High-Performance Storage Networking

By leveraging RDMA capabilities, the adapter reduces storage access latency and CPU overhead. This ensures faster data retrieval and write operations, which is critical for applications requiring high input/output operations per second (IOPS).

Security and Traffic Management Features

Hardware-Level Security Offloading

The Lenovo 01PE285 includes built-in security acceleration features that offload encryption and decryption tasks from the CPU. This enhances secure data transmission without compromising performance, especially in environments requiring encrypted traffic such as financial services and healthcare systems.

Advanced Traffic Filtering and Segmentation

The adapter supports advanced packet filtering rules that allow granular traffic segmentation. This helps organizations enforce network security policies at the hardware level, reducing exposure to malicious traffic and unauthorized access attempts.

Scalability and Enterprise Deployment Scenarios

High-Density Server Environments

In dense server deployments, the adapter provides scalable networking performance without increasing physical infrastructure complexity. Its dual-port design and high bandwidth support allow enterprises to consolidate network hardware while increasing throughput capacity.

Hyperscale Data Center Integration

Hyperscale environments benefit from the adapter’s ability to handle large-scale distributed workloads. Its efficiency in packet processing and virtualization support makes it suitable for cloud giants and large enterprise data centers requiring horizontal scalability.

Edge Computing and Distributed Infrastructure

The adapter also plays a key role in edge computing environments where low latency and high reliability are essential. It enables fast data processing at the edge, reducing the need for constant communication with central data centers.

Low Power Consumption Architecture

Despite its high performance, the adapter is engineered for energy efficiency. It uses optimized silicon design and power management features to reduce overall server power consumption, contributing to lower operational costs in data centers.

Use Cases

High-Frequency Networks

The ultra-low latency characteristics of the adapter make it highly suitable for financial trading platforms where microseconds can impact transaction outcomes. Its deterministic performance ensures stable execution of time-sensitive operations.

Big Data Analytics

For big data environments, the adapter enables fast ingestion and processing of large datasets. Its ability to handle multiple simultaneous streams ensures efficient data pipeline performance.