Server Adapters

LRES1027PF-4SFP28
PCIe 4.0 x8 Quad-Port 25G SFP28 Network Adapter (Intel E810 Based)

PCIe 4.0 x8 quad-port 25G SFP28 network adapter based on Intel E810 for cloud and storage.

Intel E810 Controller Quad-Port 25G SFP28 RDMA Support PCIe 4.0 x8 Interface
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Overview Accessories Specifications Drivers Firmware & Tutorials Version Query

Product Overview

When network congestion causes application timeouts in AI training clusters, every microsecond of latency matters. The LRES1027PF-4SFP28 network adapter addresses this by delivering dedicated traffic queuing to reduce latency in demanding cloud environments.

Based on the Intel E810 controller, this PCIe 4.0 x8 card provides four 25G SFP28 ports with 100Gbps aggregate bandwidth, eliminating bottlenecks in virtualized servers. Its support for iWARP and RoCE v2 RDMA enables high-speed storage connectivity while reducing CPU overhead through dynamic device personalization.

Ideal for cloud computing and communications infrastructure, this adapter ensures precise synchronization via IEEE 1588 PTP v2. For enterprises requiring reliable 25G scaling, the LRES1027PF-4SFP28 delivers proven Intel-based performance and efficiency.

Intel E810 Controller

Based on Intel E810 master control solution with Application Device Queuing (ADQ) to reduce latency and increase throughput.

Quad-Port 25G SFP28

Four 25G SFP28 ports supporting 1G/10G/25G data rates for high-density connectivity in cloud and communications.

RDMA Support

Supports iWARP and RoCE v2 RDMA technology for high-speed, low-latency, high-throughput connectivity for cloud storage targets.

PCIe 4.0 x8 Interface

PCIe 4.0 x8 bus design providing 16.0GT/s transfer rate, compatible with PCIe x16 slots for flexible deployment.

Precision Time Protocol

IEEE 1588 PTP v1 & v2 support for accurate clock synchronization in time-sensitive networking applications.

Virtualization Ready

Supports SR-IOV and DPDK for efficient virtualization and accelerated packet processing in software-defined environments.

Compatible Accessories

High-quality optical modules and cables for optimal compatibility with your network adapter.

Technical Specifications

Complete technical details for integration and deployment planning.

Controller

LRES1027PF-4SFP28 - Controller Specifications
Controller Intel E810

Bus/Interface

LRES1027PF-4SFP28 - Bus/Interface Specifications
Bus Interface PCIe v4.0 (16.0GT/s) x8; compatible x16

Ports

LRES1027PF-4SFP28 - Ports Specifications
Connector 4* 25G SFP28
Data rate per port 1/10/25Gbps
Cable medium Fiber Optics
Cable Type 25GBASE-SR、25GBASE-LR、25GBASE-Cu, 10GBASE-SR、10GBASE-LR、10GBASE-Cu, 1GBASE-SR、1GBASE-LR、1GBASE-Cu

Power

LRES1027PF-4SFP28 - Power Specifications
Power Supply PCIe
Power (min) 12.084W
Power (max) 12.936W

Protocols

LRES1027PF-4SFP28 - Protocols Specifications
Protocol Support IEEE 802.3by-2016, IEEE 802.3ae, IEEE 802.1Qav, IEEE 802.1Qbu, IEEE 802.1Qbv, IEEE 802.3br, IEEE 1588 PTP v1&v2, IEEE 802.3ad, IEEE 802.3az

Features (Yes)

LRES1027PF-4SFP28 - Features (Yes) Specifications
Feature Support (Yes) DPDK, Jumbo Frames, SR-IOV, 1588 PTP

Features (No)

LRES1027PF-4SFP28 - Features (No) Specifications
Feature Support (No) PXE, WoL, UEFI, SCAN CHAIN

Environment

LRES1027PF-4SFP28 - Environment Specifications
Operating Temperature 0℃ to 55℃ (32 ℉ to 131 ℉)
Storage Temperature -40 ℃ to 70 ℃ (-40 ℉ to 158 ℉)
Storage Humidity Maximum: 90% non-condensing relative humidity at 35 ℃
ESD Contact discharge ±2KV
Certification FCC, CE, RoHS

Physical Features

LRES1027PF-4SFP28 - Physical Features Specifications
PCB Size (LxW x H) 166.27x68.81x1.6mm
Bracket Height LowProfile & Full Height
LED Indicators Connection Status Orange Link 1/10G; Transfer status Orange Link + Green Blink

System Support

LRES1027PF-4SFP28 - System Support Specifications
OS Compatibility Windows 10/11, Windows Server 2016/2019/2022, Deepin 20/20.6/20.9, VMware ESXi 6.7/7.0, Galaxy Unicorn V10, NeoKylin 7.6, RHEL/CentOS 7.6/7.9/8.2, Ubuntu 16.04.3/18.04.5/20.04.1/22.04.2, SUSE 12SP5/15SP4, FreeBSD 12.2/13.2, ZTE New Fulcrum 5.0.5/3.2.2, Asianux Server v7.0, Zhongke Fangde server operating system, iKuai router

Driver Downloads

Latest certified drivers for all supported operating systems, ensuring optimal performance and compatibility.

All OS 2 drivers
Release_31.1
v31.1 2026-05-21
Release_28.2.zip
vv28.2 2024-07-19
Linux 1 driver
ice-1.14.13.tar.gz
v1.14.13 2024-08-14
FreeBSD 1 driver
ice-1.40.7.tar.gz
v1.40.7 2024-08-14

Firmware & Tutorial Downloads

Firmware updates, setup guides and documentation to get started quickly.

LR-LINK E810 Controller Series NIC Quick Reference Guide-v1.0
2026-06
LRES1027PF-4SFP28_v1.1-20241220-Test_report
2026-03
E810 Series Firmware
2024-07

Version Identification & Query

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