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462968-B21 HP 256MB BBWC Cache Module
462968-B21 HP 256MB BBWC Cache Module
The HP 462968-B21 is a 256MB Battery Backed Write Cache (BBWC) memory module, designed to add protected write caching to compatible HP Smart Array RAID controllers (P212, P410, P411) within ProLiant Generation 2 through Generation 7 servers. Built with DDR2 SDRAM and a 650mAh lithium-ion battery providing up to 72 hours of backup, this module allows write operations to be acknowledged quickly while protecting unwritten data during unexpected power events, making it well-suited for transactional workloads and virtualized environments.
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Description
Key Features & Benefits
- Battery-Backed Write Cache Protection: Uses battery-backed cache to acknowledge write operations quickly while helping protect unwritten data during unexpected power events, useful for transactional and virtualized workloads.
- Broad Smart Array Controller Compatibility: Supported on HP Smart Array P212, P410, and P411 controllers, providing flexible upgrade options across compatible RAID configurations.
- Extensive ProLiant Generation Compatibility: Compatible with a wide range of ProLiant G5-G7 platforms, including BL280c/BL460c G6/G7, DL120/DL180/DL320/DL360/DL370/DL380 G6/G7, DL365/DL385/DL585/DL785 G5, ML150/ML330/ML350 G6/G7, and more.
- DDR2 SDRAM Technology: Operates at 800MHz (PC2-6400) with a 3Gb/s data transfer rate, providing reliable cache performance for its server generation.
- Enterprise-Grade Reliability: Rated for 24/7 continuous operation, supporting data centers and remote sites running ProLiant infrastructure.
- Simplified Maintenance: Part number specific procurement simplifies maintenance planning, ensuring the correct cache module is sourced for supported controller families.
Technical Specifications
| Attribute | Details |
|---|---|
| Option Part Number | 462968-B21 |
| Spare Part Number | 462974-001 |
| Assembly Part Number | 013224-001 |
| Component Type | Battery Backed Write Cache (BBWC) Memory Module |
| Cache Capacity | 256 MB |
| Memory Technology | DDR2 SDRAM |
| Speed | 800 MHz (PC2-6400) |
| Data Transfer Rate | 3 Gb/s |
| Battery Type | 650mAh Lithium-Ion |
| Battery Backup Duration | Up to 72 hours |
| Compatible Controllers | HP Smart Array P212, P410, P411 |
| Compatible Platforms | HP ProLiant G5-G7 servers (BL280c/BL460c, DL120/DL180/DL320/DL360/DL370/DL380, DL365/DL385/DL585/DL785, ML150/ML330/ML350, and others) |
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