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header-product RAID Controller HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS

RAID Controller HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS

RAID Controller HPE Smart Array P431/4GB FBWC Photo 1
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Short description

The HPE Smart Array P431 is a 12Gb RAID controller with 4GB FBWC, supporting SAS drives. It features PCI Express x8 interface, RAID levels ADG, 1, 6, 60, and a data transfer rate of 12 Gbit/s. With 4096 MB internal memory, it ensures efficient data management and reliability for enterprise storage solutions.
Warranty: 2 Years
SKU: 481204
Manufacturer: HP Enterprise
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Product information

Description

The HPE Smart Array P431 Controller is a low‑profile PCIe 3.0 x8 SAS RAID controller designed for select HPE ProLiant Gen8 rack and tower servers. It supports 12 Gb/s SAS links, offers two external SAS ports and up to 200 drives per controller when expanded, and includes 4 GB Flash Backed Write Cache (FBWC) for improved data retention and write performance. The controller supports multiple RAID levels including RAID 1, RAID 6 (ADG), and RAID 60 (ADG), and is compatible with other HPE Smart Array controllers for simplified upgrades.

Advantages

The P431 provides increased storage throughput and scalability for growing workloads, with support for an end‑to‑end 12 Gb/s SAS environment. Integrated 4 GB FBWC preserves data in the event of power loss and enables online RAID level migration and global online spare features to reduce downtime. Optional HP Secure Encryption protects data at rest when enabled. The controller also includes optimizations for SSD performance (HP SSD Smart Path) and predictive spare activation to speed rebuilds.

Suitable for

  • Enterprise and SMB servers requiring high-performance SAS storage
  • Environments needing hardware RAID (RAID 1, RAID 6 ADG, RAID 60 ADG)
  • Systems that require encrypted data-at-rest support (with optional HP Secure Encryption)
  • Storage expansion scenarios up to hundreds of drives using external enclosures

Key specifications

  • Manufacturer: HPE (HP Enterprise)
  • Model: Smart Array P431
  • MPN: 698532-B21
  • Interface: PCI Express x8 (PCIe 3.0)
  • SAS speed: 12 Gb/s (end-to-end)
  • External ports: 2 external SAS ports (8 physical links)
  • Cache: 4 GB Flash Backed Write Cache (FBWC)
  • Supported RAID levels: RAID 1, RAID 6 (ADG), RAID 60 (ADG), online RAID level migration
  • Maximum drives supported: up to 200 drives per controller (when expanded)
  • Weight (approx.): 0.45 kg

How to use

Install the P431 into a compatible HPE ProLiant Gen8 server on a free PCIe x8 slot and connect the external SAS cables to supported storage enclosures or disk backplanes. Configure RAID arrays through the HPE Smart Storage Administrator or the server ROM-based setup utility. If using FBWC, ensure the cache module and battery are properly seated to enable flash-backed caching. To enable optional HP Secure Encryption, install and configure the encryption key management according to HPE documentation.

Usage recommendations

For optimal performance, pair the P431 with compatible HPE ProLiant Gen8 servers and certified SAS drives or SSDs, keep firmware and drivers up to date, and follow HPE guidelines for cache backup battery maintenance and encryption key management.

Specifications

Host interface:
PCI Express x8
Weight:
0.45 kg
All features

Ports & interfaces

Host interface:
PCI Express x8
PCI Express slots version:
3.0
Supported storage drive interfaces:
SAS

Other features

External ports:
2

Weight & dimensions

Weight:
0.45 kg

Performance

Internal memory:
4096 MB
Certification:
REACH
RAID levels:
ADG, 1, 6, 60
Data transfer rate:
12 Gbit/s
Compatible products:
HP ProLiant Gen8 / MSA2040

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What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

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How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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