Montage-based PCIe 5.0 x8 dual-slot DDR5 memory expansion card with CXL 2.0 support.
Linkreal presents the LRDR9G91-2I, a specialized PCIe 5.0 x8 memory expansion adapter engineered for high-performance computing and data center applications. Built on a robust Montage main control solution, this card bridges the gap between processor memory limits and growing computational demands, delivering powerful bandwidth and fast data access capabilities.
Compliant with the CXL 2.0 specification, the LRDR9G91-2I ensures future scalability and interoperability within modern server ecosystems. It strictly adheres to JEDEC DDR5 standards, supporting dual-slot configurations with DDR5-5600*2 RDIMMs. This allows systems to maximize memory capacity up to 256GB while maintaining excellent response speeds and performance stability under heavy loads.
The adapter features a versatile bracket design, supporting both Low Profile and Full Height form factors to fit various chassis requirements. With an operating temperature range of 0℃ to 70℃ and low power consumption (max 12.504W), it offers reliable operation in demanding environments. Compatible with Intel Xeon Scalable processors and major Linux distributions, it is an ideal choice for AI training, cloud computing, and enterprise servers requiring large memory footprints.
PCIe 5.0 x8 interface delivers 32GT/s data transfer rates for ultra-fast memory access.
Full compliance with CXL 2.0 specification for scalable memory pooling and interoperability.
Supports latest DDR5-5600 RDIMMs, maximizing bandwidth and system performance.
Dual-slot design supports up to 256GB total memory capacity for HPC workloads.
Montage-based controller ensures stability and reliability in demanding data center environments.
Complete technical details for integration and deployment planning.
| Bus Type | PCIe 5.0 (32GT/s) x8 |
|---|---|
| CXL Specification | CXL 2.0 |
| Memory Interface | DDR5 RDIMM |
| Controller | Montage |
|---|---|
| CPU Requirement | Intel Xeon Scalable 4th Gen and above |
| Max Capacity per Stick | 128GB |
|---|---|
| Total Max Capacity | 256GB (2x128GB) |
| Speed Support | DDR5-5600 |
| Configuration | Dual Slot (2DPC) |
| Bracket Height | Low Profile & Full Height |
|---|---|
| PCB Size | 180 x 68.9 x 1.6 mm |
| Package Size | 222 x 147 x 28 mm |
| Operating Temperature | 0℃ to 70℃ |
|---|---|
| Storage Humidity | Max 90% non-condensing at 35℃ |
| Power Consumption (Min) | 11.184W |
|---|---|
| Power Consumption (Max) | 12.504W |
| Certifications | FCC, CE, RoHS |
|---|
Look up product firmware versions, hardware revisions, and OS compatibility by entering your part number or hardware version.
