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IBM 42R8738 2-Ports PCI Express Ultra-320 SCSI DDR Adapter
- Dual-port Ultra320 SCSI connectivity
- PCI Express (PCIe) interface
- DDR (Double Data Rate) support for improved performance
- Connects high-speed SCSI storage devices
- Designed for server environments
- Hot-plug support (depending on system configuration)
- High throughput for SCSI workloads
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Product Overview
This IBM adapter card provides two ports for connecting Ultra320 SCSI devices via a PCI Express interface. It supports DDR (Double Data Rate) for enhanced performance in SCSI environments.
Technical Information
| Interface | PCI Express |
| Ports | 2 x Ultra320 SCSI |
| SCSI Standard | Ultra320 SCSI |
| DDR Support | Yes |
Additional Specifications
| Controller Type | SCSI Adapter |
| Product Type | Adapter Card |
| Manufacturer | IBM |
Product Description
The IBM 42R8738 is a high-performance SCSI adapter designed to bring the capabilities of Ultra320 SCSI to modern systems equipped with PCI Express slots. Ultra320 SCSI represents a significant advancement in SCSI technology, offering doubled bandwidth over its predecessor (Ultra160) by utilizing techniques like packetized transfers and higher clock speeds. This adapter features two distinct SCSI ports, allowing for the connection of multiple Ultra320 devices, such as hard drives or tape drives. The inclusion of DDR (Double Data Rate) technology further enhances the data transfer capabilities by enabling data to be transferred on both the rising and falling edges of the clock signal, effectively doubling the throughput. With its PCI Express interface, the 42R8738 provides a high-bandwidth connection to the host system, ensuring that the SCSI bus is not a bottleneck. This makes it suitable for demanding server applications that require fast and reliable access to large amounts of data stored on SCSI devices.
