HP 661069-B21 512MB P-Series Smart Array Flash Backed Write Cache

Overview

The HP 512MB P-Series Smart Array Flash Backed Write Cache (part number 661069-B21) is a high-performance cache module designed to accelerate data writes on HP Smart Array controllers. By temporarily storing write operations in fast flash memory, this cache reduces latency, improves overall I/O throughput, and protects data integrity during power interruptions. It is an ideal upgrade for servers that demand consistent, low-latency storage performance.

Key Features

• 512 MB of dedicated flash backed write cache for rapid data buffering
• Seamless integration with HP P-Series Smart Array controllers
• Flash memory retains data during power loss, ensuring no write loss
• Reduces write latency and increases effective disk I/O performance
• Plug-and-play installation with no additional drivers required
• Compact form factor fits standard server chassis

Technical Specifications

• Model/Part Number: 661069-B21
• Cache Capacity: 512 MB
• Memory Type: Flash based write cache
• Interface: Directly connects to HP Smart Array controller backplane
• Operating Temperature: 0 to 55 degrees C
• Power Consumption: Low power design compatible with typical server power budgets
• Dimensions: Standard 1U server module size
• Compatibility: HP P-Series Smart Array controllers (e.g., P400, P410, P420)

Typical Applications

• Database servers that require fast transaction logging
• Virtualization hosts running multiple VMs with heavy write workloads
• Enterprise applications such as ERP and CRM systems
• File and print servers with high write demand
• Backup and archival systems needing reliable write caching
• Any mission-critical environment where data integrity and performance are paramount

Upgrade your HP server with the 512MB P-Series Smart Array Flash Backed Write Cache to experience faster write operations, enhanced data protection, and smoother overall system performance.