LSI Logic LSI22320SE Dual Channel Ultra320 SCSI Host Bus Adapter
The LSI22320SE Ultra320 SCSI Host Bus Adapter is a high-performance PCI Express x4 controller engineered for enterprise-grade storage connectivity. This dual channel SCSI adapter delivers exceptional reliability and scalability for demanding server environments, tape libraries, and high-performance workstations requiring legacy SCSI infrastructure. With aggregate throughput of 640 MB/s and support for up to 30 external devices, this low-profile HBA provides the connectivity backbone for mission-critical storage solutions.
Key Features
- Dual Channel Ultra320 SCSI connectivity with 640 MB/s aggregate bandwidth
- PCI Express x4 interface for modern server architectures
- 320 MB/s maximum data transfer rate per channel
- Supports up to 30 external physical SCSI devices
- Two external 68-pin VHDCI Ultra320 SCSI ports
- Low-profile MD2 form factor for compact installations
- High-availability design for enterprise tape libraries and storage systems
- Compatible with entry-level to enterprise server platforms
Technical Specifications
| Specification |
Details |
| Manufacturer |
Strategic Sourcing / LSI Logic |
| Part Number |
LSI22320SE |
| Interface Type |
PCI Express x4 |
| SCSI Channels |
2 (Dual Channel) |
| SCSI Standard |
Ultra320 SCSI |
| Aggregate Bandwidth |
640 MB/s |
| Per-Channel Bandwidth |
320 MB/s |
| External Ports |
2 x 68-pin VHDCI |
| Maximum Devices |
30 external physical devices |
| Form Factor |
Low-profile MD2 plug-in card |
| RAID Support |
None |
Frequently Asked Questions
What is an Ultra320 SCSI Host Bus Adapter used for?
An Ultra320 SCSI HBA connects servers and workstations to external SCSI storage devices, including tape libraries, disk arrays, and legacy storage systems. The LSI22320SE provides dual-channel connectivity for high-availability environments requiring reliable, high-speed storage access.
How many devices can the LSI22320SE support?
This dual channel SCSI adapter supports up to 30 external physical devices across its two Ultra320 SCSI channels, making it ideal for large tape library configurations and enterprise storage deployments.
Is the LSI22320SE compatible with modern servers?
Yes, the LSI22320SE features a PCI Express x4 interface, making it compatible with modern server architectures. Its low-profile MD2 form factor fits standard server expansion slots for both entry-level and enterprise platforms.
Does this SCSI adapter support RAID functionality?
No, the LSI22320SE is a host bus adapter without integrated RAID capabilities. It provides pure SCSI connectivity for connecting external storage devices that may have their own RAID functionality.
