LRDR9G91-2I

PCIe 5.0 x8 | 2*DDR5 | CXL2.0 | Montage Based

Support PCIe 5.0 (32GT/s) x8 interface
Comply with CXL2.0 specification
Comply with JEDEC DDR5 specifications
Only supports DDR5 RDIMM
LRDR9G91-2I
PDF 279.92KB
Download
More Support
Inquiry
Suggestion
Overview

LRDR9G91-2I is a PCIe5.0 x8 to dual-slot DDR5 memory expansion card designed by Linkreal Co., Ltd. based on Montage main control solution. Designed to meet the needs of high-performance computing and data center applications, the product provides exceptional performance and reliability. This memory expansion card uses the PCIe 5.0 x8 interface and supports data transfer rates up to 32GT/s, providing the system with powerful bandwidth and fast data access capabilities. At the same time, the LRDR9G91-2I complies with the CXL 2.0 specification, ensuring future scalability and interoperability. LRDR9G91-2I complies with the JEDEC DDR5 specification and is compatible with the latest generation of DDR5 memory, providing advanced memory technology support. The highest rate it supports is DDR5-5600*2 RDIMM, providing users with excellent memory performance and response speed.


In addition, the LRDR9G91-2I adopts a dual-slot design that can accommodate two DDR5 memory modules at the same time, maximizing system memory capacity and performance. Its well-designed cooling system and stable power supply ensure stability and reliability under high load and long-term operation. In summary, the LRDR9G91-2I memory expansion card is a powerful, stable and reliable solution for computing and data center environments that require large memory capacity and high-speed data access.


DDR5 Expansion Solution

DDR5 Expansion Solution, Montage chip, Supports CXL 2.0

DDR5 Testing Solution

DDR5 Testing Solution, Supports JEDEC DDR5 performance testing

Specifications

Model

LRDR9G91-2I

Controller

Montage

Bus Type

PCIe5.0(32GT/s)x8

Bracket Height

Low Profile & Full Height

Power consumption (min)

11.184W

Power consumption (max)

12.504W

CPU

Requires 4th generation Scalable Intel® Xeon® processors and above

Operating System Support

* Windows 10/11

* Deepin 15.11/20/20.6/20.9

* Galaxy Unicorn V10

* Galaxy Unicorn V10 SP1

* NeoKylin 7.6

* RHEL/CentOS 7.3/7.6/7.9/8.2/8.3

* SUSE 15.4

* ZTE New Fulcrum 5.0.5/3.2.2

* Asianux Server V7.0

* Tongxin UOS 20

* Ubuntu 16.04.3/18.04.5

* Ubuntu 20.04.1/22.04.2

Memory Configuration

Maximum quantity

Slot location

Maximum Capacity per Stick

Total Maximum Capacity

1-Rank

1

Speed 1DPC

128GB

128GB (128GB x 1)

2-Rank

2

Speed 1DPC,

Speed 2DPC

128GB

256GB (128GB x 2)


Application
Latest News

LRSV9501-2E Application Practice: AI Inference Server Storage Expansion Upgrade Solution

This article takes an AI inference platform upgrade project of an Internet enterprise as an example to demonstrate the practical application of the LRSV9501-2E PCIe 5.0 Retimer expansion card in AI server storage expansion scenarios, providing reference for enterprises facing similar infrastructure challenges.

All-Round Tool for E-sports Live Streaming and Enterprise Office: In-depth Analysis of LRES1670PT-RJ45 10G Network Card for Multiple Scenarios

The LRES1670PT-RJ45 10G network card, with its outstanding performance and wide compatibility, is becoming an ideal choice for multiple scenarios such as gaming, live streaming and enterprise office. This article will deeply analyze how this network card meets the professional needs of different user groups.

Guide to Upgrading Home Network to 10G: LRES1670PT-RJ45 Network Card Boosts NAS Transfer Speed by 10 Times

Have you encountered these troubles: long waiting times when transferring large files via NAS, stuttering material loading during 4K video editing, and frequent buffering when playing Blu-ray discs on a home theater? This article will detail how to achieve a comprehensive upgrade of your home network at the lowest cost with the LRES1670PT-RJ45 10G network card.

An In-Depth Analysis of How the LRSV9500-4I Utilizes PCIe Switch Technology to Address GPU and Storage Expansion Challenges in AI Servers 2

This paper will deeply analyze industry pain points(limited PCIe slots, difficulty in balancing GPU and SSD deployment, and lack of flexibility in expansion solutions) and demonstrate how LR-LINK LRSV9500-4I provides enterprises with a one-stop expansion solution through flexible X4/X8/X16 Bifurcation modes.