Name: PCI Dual Diff U/w SCSI
Brand: Sun Microsystems
Price: 61.95 USD
Availability: InStock

Sun Microsystems X6541A PCI Dual Diff U/w SCSI

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$61.95

In Stock: 28
Manufacturer: Sun Microsystems
Model or Part: X6541A
Condition: Refurbished
Weight: 3.00lb

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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 Sun Microsystems X6541A PCI Dual Diff U/w SCSI adapter delivers reliable high-performance storage connectivity for enterprise servers and workstations. Designed to fit a standard 32-bit PCI slot, this card provides two independent differential unshielded (U/w) SCSI channels, allowing simultaneous access to multiple devices while maintaining data integrity in noisy environments.

Key Features

Dual independent SCSI buses for parallel operation
Differential signaling reduces interference and extends cable length up to 25 meters per channel
Supports SCSI-2 Fast Wide (16-bit) at speeds up to 20 MB/s per bus
Plug-and-play PCI interface with auto-configuration support in SunOS, Solaris and major Linux distributions
Low power consumption and heat generation for dense server racks
Compatible with standard SCSI devices including disks, tape drives, scanners and CD/DVD units

Technical Specifications

Manufacturer: Sun Microsystems
Model/Part Number: X6541A
Bus Interface: 32-bit PCI, 33 MHz
SCSI Standard: SCSI-2 Fast Wide (16-bit)
Maximum Transfer Rate: 20 MB/s per channel
Cable Length: Up to 25 meters (differential) per bus
Connector Type: Two DB25 male connectors, one per channel
Operating Temperature: 0 to 55 degrees C
Power Requirement: 5 V and 3.3 V from PCI slot

Typical Applications

Enterprise data servers requiring high throughput storage arrays
Backup and archival systems using tape libraries or external disk enclosures
Scientific and engineering workstations that need simultaneous access to multiple SCSI devices
Legacy system upgrades where modern SAS solutions are not feasible
Network attached storage (NAS) appliances built on Sun hardware platforms

This adapter combines robust construction with flexible connectivity, making it an ideal choice for organizations seeking dependable storage performance without the complexity of newer protocols.