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HP ED090AA 1420SA 4-Ports SATA 3Gb/s RAID Controller Card
- Controller Type: SATA RAID Controller
- Number of Ports: 4
- Interface Speed: SATA 3Gb/s (SATA II)
- RAID Levels Supported: RAID 0, 1, 5, 10 (JBOD)
- Interface: PCI (32-bit)
- Form Factor: Low-profile bracket included
- Chipset: Likely Marvell or similar
- Connectors: Internal SATA ports
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Product Overview
The HP ED090AA is a 4-port SATA 3Gb/s RAID controller card. It allows for the creation of hardware-based RAID arrays to improve data redundancy and performance for storage devices.
Technical Information
| Product Type | RAID Controller Card |
| Interface | PCI |
| Number of Ports | 4 |
Additional Specifications
| Port Speed | 3Gb/s |
| RAID Levels | 0, 1, 5, 10, JBOD |
| Form Factor | Add-in Card |
Product Description
The HP ED090AA is a dedicated hardware RAID controller designed to enhance storage capabilities in servers and workstations. By offloading RAID calculations from the CPU to its own processor, it provides improved performance and reliability for disk arrays. This controller supports multiple SATA 3Gb/s drives, enabling users to configure various RAID levels for data protection and speed. This controller supports common RAID configurations such as RAID 0 for striping (performance), RAID 1 for mirroring (redundancy), RAID 5 for striping with parity (balanced performance and redundancy), and RAID 10 for striped mirrors (high performance and redundancy). It also supports JBOD (Just a Bunch Of Disks) mode, where each drive is presented individually to the operating system. The card utilizes a PCI interface, which is an older bus standard, indicating its suitability for legacy systems or specific server configurations that still employ PCI slots. The 3Gb/s transfer rate per port is consistent with the SATA II specification. The inclusion of a low-profile bracket suggests it can be installed in both standard height and smaller form factor chassis.
