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IBM 42R7844 5902 4-Ports SAS 3Gb/s PCI Express DDR RAID Adapter
- 4-port SAS interface for connecting multiple storage devices.
- 3Gb/s SAS transfer speed for efficient data throughput.
- PCI Express (PCIe) interface for high-speed system integration.
- DDR memory for RAID controller cache, enhancing performance.
- Supports RAID levels for data redundancy and performance optimization.
- Designed for IBM servers and storage solutions.
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Product Overview
The IBM 42R7844 is a 4-port SAS RAID adapter designed for high-performance storage connectivity. It utilizes a PCI Express interface and supports SAS 3Gb/s speeds, making it suitable for demanding server environments requiring reliable data access and protection.
Technical Information
| Product Type | RAID Adapter |
| Interface | PCI Express |
| SAS Speed | 3Gb/s |
Additional Specifications
| Ports | 4 |
| Memory | DDR |
Product Description
The IBM 42R7844, identified by SKU 42R7844, is a robust storage adapter engineered to provide advanced RAID capabilities within IBM server environments. This adapter features four SAS ports, each capable of operating at 3Gb/s, allowing for the connection of a significant number of SAS hard drives or SSDs. Its integration via a PCI Express interface ensures high bandwidth communication with the host system, crucial for I/O intensive applications. At its core, the 42R7844 leverages DDR memory for its RAID controller cache. This cache significantly accelerates read and write operations by storing frequently accessed data and pending writes, thereby reducing latency and improving overall system responsiveness. The adapter supports various RAID levels (e.g., RAID 0, 1, 5, 10), offering flexibility in configuring storage for optimal performance, data redundancy, or a balance of both, depending on the specific needs of the workload. This adapter is a key component for businesses seeking to enhance their storage infrastructure with reliable and high-performance data management. Its design focuses on delivering the necessary throughput and data protection features required for mission-critical applications, databases, and virtualization environments. The IBM 42R7844 is a testament to IBM's commitment to providing scalable and dependable storage solutions.
