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Adaptec AHA-2940U2 Ultra2 SCSI PCI 50-Pin Controller Card
- Ultra2 SCSI interface
- PCI bus interface
- Supports LVD (Low Voltage Differential) and SE (Single-Ended) modes
- Enables connection of multiple SCSI devices
- High data transfer rates up to 80 MB/s
- Ideal for servers and workstations requiring fast storage access
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Product Overview
The Adaptec AHA-2940U2 is an Ultra2 SCSI PCI controller card designed for high-performance storage connectivity. It supports LVD/SE signaling for enhanced compatibility and speed, enabling the connection of multiple SCSI devices.
Technical Information
| Product Type | SCSI Controller Card |
| Interface | Ultra2 SCSI |
| Bus Type | PCI |
Additional Specifications
| Signaling | LVD/SE |
| Connectors | Typically 1x 68-pin VHDCI (external), 1x 50-pin Centronics (internal) |
| Data Transfer Rate | Up to 80 MB/s |
Product Description
The Adaptec AHA-2940U2 is a high-performance PCI controller card that brings the capabilities of Ultra2 SCSI to servers and workstations. This interface is known for its speed and reliability, offering data transfer rates of up to 80 MB/s, which is crucial for demanding storage applications like video editing, large database management, and high-throughput file serving. This controller card supports both LVD (Low Voltage Differential) and SE (Single-Ended) signaling. LVD offers superior performance, longer cable lengths, and better noise immunity, making it the preferred choice for high-speed SCSI implementations. SE compatibility ensures that it can also work with older Single-Ended SCSI devices, providing a degree of backward compatibility. This dual-mode support enhances its versatility and allows for integration into a wider range of system configurations. Designed for the PCI bus, the AHA-2940U2 is easily installed in most standard server and workstation motherboards. It provides the necessary connectivity to support multiple SCSI devices, such as hard drives, tape drives, and optical drives, in a daisy-chain configuration. Adaptec's reputation for robust SCSI solutions means that users can expect reliable performance and stability from this controller, making it a solid choice for upgrading or building high-performance storage systems.
