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HP P421-2GB-LP Smart Array P421/2GB 2-Ports SAS/SATA 6Gb/s PCI Express 3.0 x8 Low-Profile RAID Contr...
- Smart Array P421 Controller
- 2-Port SAS/SATA Support
- 6Gb/s Transfer Rate
- PCI Express 3.0 x8 Interface
- Low-Profile (LP) Form Factor
- 2GB Cache Memory
- RAID 0, 1, 5, 6, 10, 50, 60 Support
- HBA Mode Support
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Key specifications
See full specs ↓- Controller Type
- HP Smart Array P421
- Interface
- SAS/SATA 6Gb/s
- Ports
- 2 Internal/External (configurable)
- Bus Type
- PCI Express 3.0 x8
- Form Factor
- Low-Profile
- Cache Memory
- 2GB
Product details
The HP P421-2GB-LP is a Smart Array RAID controller featuring a low-profile design. It offers two ports supporting SAS/SATA drives with a 6Gb/s interface and utilizes PCI Express 3.0 x8 connectivity. The controller comes with 2GB of cache memory for improved performance.
Technical Information
| Controller Type | HP Smart Array P421 |
| Interface | SAS/SATA 6Gb/s |
| Ports | 2 Internal/External (configurable) |
| Bus Type | PCI Express 3.0 x8 |
Additional Specifications
| Form Factor | Low-Profile |
| Cache Memory | 2GB |
| RAID Levels | 0, 1, 5, 6, 10, 50, 60 |
| HBA Mode | Yes |
Description
The HP P421-2GB-LP Smart Array controller is a versatile RAID solution designed for HP ProLiant servers, offering robust data protection and performance enhancement for direct-attached storage. Its low-profile form factor allows it to be installed in a wider range of server chassis, including smaller rack-mount systems. The controller supports both SAS (Serial Attached SCSI) and SATA (Serial ATA) drives, providing flexibility in drive selection and configuration. With a 6Gb/s interface speed per port and a PCI Express 3.0 x8 host connection, the P421 ensures high-speed data transfer between the drives and the server's system memory. The inclusion of 2GB of cache memory significantly accelerates RAID operations by buffering data, reducing latency, and improving overall I/O performance, especially in demanding workloads. It supports a comprehensive range of RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, allowing administrators to choose the optimal balance between performance, redundancy, and capacity for their specific needs. Beyond its RAID capabilities, the P421 can also operate in HBA (Host Bus Adapter) mode, presenting drives directly to the operating system without RAID abstraction. This mode is often preferred for software-defined storage solutions or when specific OS-level RAID management is desired. The controller's advanced features, such as online capacity expansion, online RAID level migration, and SSD support, make it a powerful and adaptable storage management tool for enterprise environments.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
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