IBM 1808-91XX Dual Port GX++ 12x DDR Adapter

Overview

The IBM Dual Port GX++ 12x DDR Adapter (part number 1808-91XX) is a high performance memory interface solution designed for mission critical servers and workstations. This adapter provides two independent DDR ports, each capable of supporting up to twelve DIMM slots, delivering exceptional bandwidth and low latency for demanding data-intensive applications.

Key Features

• Dual independent DDR ports enable flexible memory configurations
• Supports up to twelve DIMMs per port for high capacity scaling
• Optimized signal integrity with advanced trace routing and shielding
• Compatible with IBM GX++ series chassis and server platforms
• Plug-and-play installation with standard 3.5 inch form factor
• Low power consumption thanks to efficient voltage regulation

Technical Specifications

• Manufacturer: IBM
• Model/Part Number: 1808-91XX
• Memory Type: DDR (DDR1, DDR2 and DDR3 depending on configuration)
• Maximum Memory per Port: up to 96 GB (depending on DIMM density)
• Data Rate: up to 400 MHz effective clock speed
• Interface: PCI Express x4 or compatible proprietary slot
• Operating Temperature: 0 deg C to 55 deg C
• Power Supply Requirement: 5 V and 12 V rails from host system

Typical Applications

• Enterprise servers running virtualization, database and analytics workloads
• High performance computing clusters that require large memory footprints
• Scientific research systems handling real-time data acquisition
• Financial trading platforms where low latency memory access is critical
• Legacy IBM GX++ infrastructure upgrades seeking expanded capacity

This Dual Port GX++ 12x DDR Adapter offers a reliable path to scale memory resources while maintaining the performance standards expected from IBM server solutions.