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Adaptec AAR-2420SA 4-Ports SATA PCI Express Raid Controller Card
- 4 x SATA II (3Gb/s) ports
- PCI Express x1 interface
- Supports RAID levels 0, 1, 10
- Onboard Intel IOP333 processor
- 64MB DDR SDRAM cache
- Hot-swappable drive support
- Low-profile bracket included
- Suitable for entry-level RAID configurations
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Product Overview
The Adaptec AAR-2420SA is a 4-port SATA RAID controller card that utilizes a PCI Express interface. It provides basic RAID functionality for small to medium-sized servers and workstations.
Technical Information
| Interface | PCI Express x1 |
| Number of Ports | 4 x SATA II |
| RAID Levels | 0, 1, 10 |
| Cache Memory | 64MB DDR SDRAM |
Additional Specifications
| Processor | Intel IOP333 |
| Hot-Swap | Yes |
| Form Factor | PCIe Add-in Card (Low-profile compatible) |
| Data Transfer Rate | 3Gb/s per port |
Product Description
The Adaptec AAR-2420SA is an entry-level RAID controller designed to offer essential data protection and performance enhancements for systems requiring a limited number of SATA drives. With four SATA II ports, it allows for the creation of RAID arrays for improved data redundancy and speed. The card connects to the host system via a PCI Express x1 interface, which is suitable for basic RAID operations and less demanding workloads. This controller supports fundamental RAID levels: RAID 0 for performance gains through data striping, RAID 1 for data mirroring to ensure availability in case of a drive failure, and RAID 10 (a combination of striping and mirroring) for a balance of performance and redundancy. The onboard Intel IOP333 processor handles RAID calculations, freeing up the host CPU resources. It is equipped with 64MB of DDR SDRAM cache to buffer data and improve transaction speeds. The AAR-2420SA features hot-swappable drive support, enabling users to replace or add drives without shutting down the system, which is crucial for maintaining uptime in server environments. It also includes a low-profile bracket, making it compatible with smaller form factor chassis. This RAID controller is a cost-effective solution for small businesses or workstations needing basic RAID capabilities.
