Name: 1GB 4-Port Ethernet TX 10/100/1000 Adapter
Brand: IBM
Availability: InStock

IBM 5740-91XX 1GB 4-Port Ethernet TX 10/100/1000 Adapter

The IBM 1GB 4-Port Ethernet TX 10/100/1000 Adapter (model 5740-91XX) delivers high-speed network connectivity for servers, workstations and storage systems. Designed for reliability and ease of installation, this adapter supports full duplex operatio... Read More

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In Stock: 40
Manufacturer: IBM
Model or Part: 5740-91XX
Condition: Refurbished
Weight: 3.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The IBM 1GB 4-Port Ethernet TX 10/100/1000 Adapter (model 5740-91XX) delivers high-speed network connectivity for servers, workstations and storage systems. Designed for reliability and ease of installation, this adapter supports full duplex operation across three speed tiers, allowing you to scale bandwidth as your business grows. Its compact form factor fits standard PCI Express slots, making it an ideal upgrade for legacy platforms that need modern Ethernet performance.

Key Features

Four independent RJ45 ports for simultaneous 1 Gbps connections
Auto-negotiation of 10, 100 and 1000 Mbps speeds
Full duplex operation reduces collisions and maximizes throughput
PCI Express x1 interface ensures broad compatibility with most server motherboards
Low power consumption helps maintain efficient data center operations
Plug-and-play driver support for major operating systems including Windows Server, Linux and VMware ESXi

Technical Specifications

Model/Part Number: 5740-91XX
Interface: PCI Express x1, 5 V, 2.5 W
Port Type: RJ45 (8P8C) with integrated magnetics
Supported Speeds: 10 Mbps, 100 Mbps, 1000 Mbps
Data Rate: Up to 4 Gbps aggregate
Duplex Mode: Full duplex only
Operating Temperature: 0 deg C to 55 deg C
Dimensions: Standard low profile bracket

Applications
The adapter is suited for a wide range of environments where reliable, high-speed Ethernet is required. Typical uses include:

Enterprise server farms needing multiple network paths for load balancing or redundancy
Virtualization hosts that require separate NICs for management, storage and VM traffic
Network attached storage (NAS) devices that benefit from dedicated gigabit links
Small and medium business workstations that need fast internet and LAN access
Laboratory and testing rigs where multiple simultaneous network connections are essential

Upgrade your system with the IBM 1GB 4-Port Ethernet TX adapter to achieve faster data transfer, improved network resilience and a future-proof solution that meets the demands of modern IT infrastructures.