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HPE

HPE 804331-B21 | 12G SAS RAID Controller | 8i lanes, 2GB cache, Gen10 modular, RAID 0/1/10/5/50

SKU:804331-B21

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Description

Performance 12Gb/s SAS internal RAID controller with eight internal lanes and 2GB flash-backed write cache for accelerated writes and parity RAID. Ideal for mixed workloads needing capacity efficiency and resilience with RAID 5/50 support and optional SSD caching features.

Features

- 2GB FBWC accelerates writes and protects data-in-flight
- 8 internal lanes for flexible drive connectivity
- Parity RAID support (5/50) for capacity-efficient resilience
- Optional SSD caching to boost hot data performance
- Modular design optimized for Gen10 servers

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: How does the 2GB cache help performance?
A: Write-back caching reduces latency and accelerates random I/O, especially for parity RAID like RAID 5/50.

Q: Is a backup power unit required?
A: Yes, a compatible backup power unit is recommended/required to protect cached writes during power loss.

Q: Does it support JBOD/HBA mode?
A: Yes, it supports HBA/JBOD for software-defined storage scenarios.

Technical Specifications

- Interface: 12Gb/s SAS
- Internal lanes: 8i
- Cache: 2GB flash-backed write cache (FBWC)
- RAID levels: 0, 1, 10, 5, 50
- SSD caching: Supported (SmartCache/SSD caching features)
- Connectors: Internal mini-SAS HD (SFF-8643), server-dependent
- Form factor: Modular “-a” for Gen10 platforms
- Drive support: SAS and SATA HDDs/SSDs (12G/6G)
- Cache protection: Requires compatible backup power unit for write cache protection

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