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Supermicro AOC-USAS-L4IR 3Gb/s SAS 16MB PCI Express Raid Controller
- 3Gb/s SAS RAID Controller
- PCI Express (PCIe) Interface
- 16MB Cache Memory
- Supports SAS and SATA drives
- RAID Levels: 0, 1, 10
- Designed for entry-level server storage
- Low-profile bracket support (often)
- Supermicro quality and compatibility
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Product Overview
The Supermicro AOC-USAS-L4IR is a 3Gb/s SAS RAID controller card with a PCI Express interface and 16MB of cache. It is designed for entry-level SAS storage solutions.
Technical Information
| Controller Type | SAS RAID |
| Interface | PCI Express (PCIe) |
| Cache Memory | 16MB |
| Data Transfer Rate | 3Gb/s per lane |
Additional Specifications
| Supported Drives | SAS, SATA |
| RAID Levels | 0, 1, 10 |
| Host Interface | PCIe x4 |
| Form Factor | Add-in Card |
Product Description
The Supermicro AOC-USAS-L4IR is an entry-level SAS RAID controller card designed to provide basic RAID functionality for servers and workstations. It connects via the PCI Express interface, offering a standard means of integrating storage control into a system. This card supports SAS and SATA drives, allowing for flexibility in drive selection for storage arrays. The 3Gb/s per lane transfer rate is suitable for many general-purpose server tasks where extreme bandwidth is not the primary requirement. This controller supports fundamental RAID levels, including RAID 0 for performance enhancement through striping, RAID 1 for data mirroring and redundancy, and RAID 10 for a combination of both performance and redundancy. With 16MB of cache memory, it provides a modest buffer to assist in RAID operations, helping to improve the responsiveness of the storage subsystem compared to a host-based RAID solution without dedicated cache. The AOC-USAS-L4IR is often found in Supermicro server systems, ensuring good compatibility and integration within that ecosystem. It's a cost-effective solution for users who need basic RAID capabilities for data protection or performance improvements for a limited number of drives. The card typically comes in a standard PCIe form factor and may support low-profile brackets for installation in smaller chassis.
