Server Adapters

LREC9812BF-2SFP+
PCIe x8 Dual-Port 10G SFP+ Network Adapter (Intel X710 Based)

Dual-port 10G SFP+ PCIe network adapter based on Intel X710 for data centers.

Intel X710 Controller Dual SFP+ Ports Advanced Virtualization Low CPU Overhead
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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 LREC9812BF-2SFP+ addresses this by delivering reliable, low-latency connectivity for critical server applications.

Based on the Intel X710 controller, this adapter features dual SFP+ ports supporting 1/10Gbps data rates. With PCIe v3.0 x8 interface compatibility, it ensures efficient data offloading and reduced CPU overhead through LSO and GSO support, enabling higher throughput for virtualized environments.

Ideal for data centers and high-end servers requiring network virtualization, this card supports SR-IOV, VMDq, and DPDK. Its robust design includes half-height and full-height brackets, making it versatile for various chassis configurations while maintaining optimal thermal performance.

Intel X710 Controller

Powered by Intel X710 Ethernet MAC+PHY for reliable 10GbE performance.

Dual SFP+ Ports

Two SFP+ connectors supporting 1/10Gbps data rates for flexible connectivity.

Advanced Virtualization

Supports SR-IOV, VMDq, and DPDK for efficient network virtualization.

Low CPU Overhead

LSO and GSO offloading reduces CPU usage, freeing resources for applications.

High Compatibility

Compatible with PCIe v3.0 x8 and x16 slots, supporting various operating systems.

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

LREC9812BF-2SFP+ - Controller Specifications
Controller Chip Intel X710

Bus Interface

LREC9812BF-2SFP+ - Bus Interface Specifications
Bus Type PCI Express v3.0 (8.0GT/s) x8, compatible with x16
PCIe Version v3.0

Ports

LREC9812BF-2SFP+ - Ports Specifications
Connector 2*SFP+
Data Rate 1/10Gbps
Fiber Type 10000Base-SR, 10000Base-LR, 10000Base-Cu

Power

LREC9812BF-2SFP+ - Power Specifications
Power Consumption 7.4W

Protocol Support

LREC9812BF-2SFP+ - Protocol Support Specifications
Standards IEEE 802.3ae, IEEE 802.3x, IEEE 802.1AS, IEEE 802.1Q, IEEE 802.3AD, IEEE 1588, IEEE 802.3az

Feature Support (Yes)

LREC9812BF-2SFP+ - Feature Support (Yes) Specifications
Supported Features PXE, UEFI, iSCSI, DPDK, VMDq, Jumbo Frames, RSS, SR-IOV, 1588 PTP

Feature Support (No)

LREC9812BF-2SFP+ - Feature Support (No) Specifications
Unsupported Features FCoE, WoL

Environment

LREC9812BF-2SFP+ - 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 ℃

Physical

LREC9812BF-2SFP+ - Physical Specifications
Baffle Height Half height & full height baffle
PCB Size 138.7*68.9*1.6 mm

System Support

LREC9812BF-2SFP+ - System Support Specifications
OS Support Windows 7/8/10/11, Windows Server 2012/2016/2019/2022, VMware ESXi 6.5/6.7, Deepin 15.11, RHEL/CentOS 7.6, Centos 7.9/8.3, Ubuntu 18.04.5/16.04.3, SUSE 12.5, FreeBSD 12.2, ZTE NewFulcrum 3.2.2/5.0.5, Tongxin UOS 20, Galaxy Unicorn v10 SP1, NeoKylin 4.0.2/7.6

Driver Downloads

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

All OS 1 driver
Release_31.1
v31.1 2026-05-21

Firmware & Tutorial Downloads

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

LR-LINK 10G-40G Series NIC Quick Reference Guide-v1.0
2026-06
LREC9812BF-2SFP+-V1.2-20220917-Test_report
2025-05

Version Identification & Query

Look up product firmware versions, hardware revisions, and OS compatibility by entering your part number or hardware version.

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