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Dell PR174 PERC 3Gb/s SAS 256MB PCI Express x1 Raid Controller
- 3Gb/s SAS interface
- 256MB cache memory
- PCI Express (PCIe) x1 interface
- Hardware RAID controller
- Supports RAID levels 0, 1, 5, 10
- Designed for Dell PowerEdge servers and workstations
- Provides dedicated RAID processing for improved performance
- Hot-plug drive support (depending on chassis and OS)
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Product Overview
The Dell PR174 is a PERC (PowerEdge RAID Controller) card that provides 3Gb/s SAS connectivity and 256MB cache memory. It utilizes a PCI Express x1 interface, making it suitable for servers and workstations requiring hardware RAID capabilities for storage management.
Technical Information
| Interface | PCI Express x1 |
| SAS Speed | 3Gb/s |
| Cache Memory | 256MB |
| RAID Levels Supported | 0, 1, 5, 10 |
Additional Specifications
| Connectors | Typically 1x SFF-8482 (internal SAS) |
| Form Factor | Low Profile / Full Height Bracket Included |
| Compatibility | Dell PowerEdge Servers/Workstations |
Product Description
The Dell PR174 PERC controller is a hardware RAID solution designed to enhance data protection and storage performance for Dell systems. It offers a 3Gb/s SAS interface, allowing for connectivity to SAS and SATA drives, and features 256MB of onboard cache memory to accelerate read and write operations. This cache significantly improves the performance of RAID arrays compared to software RAID solutions, by offloading processing from the host CPU. Utilizing a PCI Express x1 interface, the PR174 is compatible with a wide range of Dell servers and workstations that have available PCIe x1 slots. It supports essential hardware RAID levels including RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), RAID 5 (striping with parity for balance), and RAID 10 (striped mirrors for performance and redundancy). This flexibility allows administrators to configure storage arrays based on their specific needs for performance, data protection, or a combination of both. As a hardware RAID controller, the PR174 provides dedicated processing power for RAID calculations, ensuring consistent performance and reliability. It typically connects to drives via an SFF-8482 connector and often includes support for hot-plug drives, allowing for drive replacement without system downtime when used in compatible chassis. This makes the Dell PR174 a cost-effective solution for upgrading storage capabilities and ensuring data integrity in environments where reliable storage is critical.
