Server Adapters

LREM5991PF-2SFP+
PCIe 2.1 x8 Dual-Port 10G SFP+ Ethernet Network Adapter (Intel 82599 Based)

Dual-port 10G SFP+ NIC with Intel 82599 controller for firewalls and gateways.

Intel 82599 Controller Mezzanine Structure Dual 10G SFP+ Ports Virtualization Ready
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LREM5991PF-2SFP+
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Overview Specifications Drivers Version Query

Product Overview

Space constraints in firewall and gateway chassis often limit expansion options for high-speed networking. The LREM5911PF-2SFP+ Ethernet network adapter solves this with a specialized mezzanine cross-plugged structure designed specifically for compact security platforms.

Powered by the Intel 82599 controller, this PCIe 2.1 x8 card delivers two independent 10Gb SFP+ ports with full-duplex capability. Each port supports 1G/10G data rates, enabling flexible fiber module deployment for SR/LR links while consuming only 6.852W max power to reduce thermal load.

Ideal for round-the-clock operation in network gates and data transmission systems, the LREM5911PF-2SFP+ offers broad OS compatibility including Windows Server and Linux. This Intel 82599 based adapter ensures stable connectivity where standard form factors fail.

Intel 82599 Controller

Based on Intel 82599 main control chip ensuring wide system compatibility and stability.

Mezzanine Structure

Cross-plugged design optimized for firewalls, gateways, and security platforms with limited space.

Dual 10G SFP+ Ports

Two independent 10Gb channels supporting 1G/10G data transmission for flexible fiber connectivity.

Virtualization Ready

Supports SR-IOV and DPDK for efficient virtualized network function deployment.

Low Power Consumption

Operates between 4.872W and 6.852W, reducing thermal output in dense chassis environments.

Technical Specifications

Complete technical details for integration and deployment planning.

Controller

LREM5991PF-2SFP+ - Controller Specifications
Controller Chip Intel 82599

Bus Interface

LREM5991PF-2SFP+ - Bus Interface Specifications
Bus Type PCIe 2.1 (5.0GT/s) x8; PCIe 2.0 compatible

Ports

LREM5991PF-2SFP+ - Ports Specifications
Connector Type 2*10G SFP+
Data Rate Per Port 1/10 G
Cable Medium Fiber Optics
Fiber Type Support 1000BASE-SX, 1000BASE-LX, 10GBASE-SR, 10GBASE-LR, 10GBASE-ER

Power

LREM5991PF-2SFP+ - Power Specifications
Power Supply PCIe
Min Power 4.872W
Max Power 6.852W

Protocol Support

LREM5991PF-2SFP+ - Protocol Support Specifications
Standards IEEE 802.1Q VLANs, IEEE 802.3ab, IEEE 802.3x, IEEE 1588, IEEE 802.3az Energy Efficient Ethernet (EEE)

Feature Support (Yes)

LREM5991PF-2SFP+ - Feature Support (Yes) Specifications
Supported Features PXE, UEFI, DPDK, Jumbo Frames, SR-IOV, 1588 PTP

Feature Support (No)

LREM5991PF-2SFP+ - Feature Support (No) Specifications
Unsupported Features WoL, iSCSI, SCAN CHAIN

Environment

LREM5991PF-2SFP+ - Environment Specifications
Operating Temperature 0℃ to 55℃ (32℉ to 131℉)
Storage Temperature -40℃ to 85℃ (-40℉ to 185℉)
Storage Humidity Maximum: 90% non-condensing relative humidity at 35℃
Certification FCC, CE, RoHS

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
ixgbe-5.20.10.tar.gz
v5.20.10 2024-08-15
FreeBSD 1 driver
ix-3.3.38.tar.gz
v3.3.38 2024-08-15

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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