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Dell YD879 Ultra320 SCSI Controller Card for PowerVault 220S/221S
- Type: SCSI Controller Card
- Interface: Ultra320 SCSI
- Connector: Typically LVD/SE (Low Voltage Differential / Single-Ended)
- Compatibility: Dell PowerVault 220S, 221S
- Bus Interface: PCI-X (likely)
- Data Transfer Rate: Up to 320MB/s
- Part Number: YD879
- Enables connection to SCSI drives
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Product Overview
The Dell YD879 is an Ultra320 SCSI Controller Card, specifically designed for Dell PowerVault 220S and 221S storage systems. It enables high-speed connectivity to SCSI hard drives for these specific enclosures.
Technical Information
| Product Type | SCSI Controller Card |
| Interface | Ultra320 SCSI |
| Brand | Dell |
| Model | YD879 |
Additional Specifications
| Compatibility | PowerVault 220S/221S |
| Data Transfer Rate | 320MB/s |
| Bus Type | PCI-X (assumed) |
Product Description
The Dell YD879 is a specialized SCSI controller card engineered to provide high-speed data connectivity for Dell's PowerVault 220S and 221S storage enclosures. It supports the Ultra320 SCSI standard, which represents one of the fastest iterations of SCSI technology, capable of delivering data transfer rates of up to 320 Megabytes per second (MB/s). This performance level is crucial for storage systems that handle significant amounts of data and require rapid access. This controller card typically interfaces with the host server via a PCI-X bus, a common standard for high-bandwidth expansion cards in servers of that era. It is designed to manage multiple SCSI drives within the PowerVault enclosures, allowing them to function as a unified storage pool. The Ultra320 interface supports both LVD (Low Voltage Differential) and SE (Single-Ended) modes, offering flexibility in connecting to various types of SCSI devices, though LVD is preferred for performance and cable length. The YD879 is essential for maintaining or upgrading the storage capabilities of the PowerVault 220S/221S systems. It ensures that these storage solutions can effectively communicate with servers, providing reliable and fast access to data for applications that depend on SCSI-based storage architectures. Its specific compatibility with these PowerVault models highlights its role in Dell's legacy storage infrastructure.
