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Adaptec ASR-31605 SATA SAS 256MB PCIe x8 Raid Controller
- PCIe x8 Interface
- SATA and SAS Support
- 256MB Cache Memory
- Hardware RAID Controller
- Supports RAID Levels 0, 1, 10, 5, 6, 50, 60
- Host Bus Adapter (HBA) mode support
- Low-profile bracket option
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Product Overview
The Adaptec ASR-31605 is a PCIe x8 RAID controller card. It features 256MB of cache memory and supports SATA and SAS interfaces for managing storage devices.
Technical Information
| Product Type | RAID Controller Card |
| Interface | PCIe x8 Gen 3 |
| Cache Memory | 256MB |
| Drive Interfaces | SATA (up to 6Gb/s), SAS (up to 12Gb/s) |
Additional Specifications
| Supported RAID Levels | 0, 1, 10, 5, 6, 50, 60 |
| Number of Ports | 4x Internal SAS/SATA ports (SFF-8643) |
| Operating Systems Supported | Windows, Linux, VMware |
Product Description
The Adaptec ASR-31605 is a high-performance RAID controller card designed to provide robust storage management capabilities for servers and workstations. Featuring a PCIe x8 interface, it ensures high-speed data transfer between the controller and the host system, leveraging the bandwidth offered by modern PCIe generations. This controller supports both SATA and SAS (Serial Attached SCSI) interfaces, offering flexibility in connecting a wide range of storage devices, from high-capacity HDDs to high-performance SSDs. The SAS interface supports speeds up to 12Gb/s, while SATA drives connect at up to 6Gb/s. Equipped with 256MB of onboard cache memory, the ASR-31605 accelerates RAID operations, significantly improving read and write performance for protected storage volumes. It supports a comprehensive suite of RAID levels, including RAID 0, 1, 10, 5, 6, 50, and 60, allowing administrators to choose the optimal balance between performance, redundancy, and capacity for their specific application needs. Additionally, the controller can operate in Host Bus Adapter (HBA) mode, presenting drives directly to the operating system without RAID processing, which is useful for software-defined storage solutions or specific OS-level RAID implementations. This RAID controller is designed for reliability and ease of integration into various server environments. It typically comes with support for major operating systems such as Windows, Linux, and VMware, and often includes management utilities for configuration and monitoring. The Adaptec ASR-31605 is an ideal solution for businesses looking to enhance storage performance, data protection, and system uptime through advanced hardware RAID capabilities.

