CVFM04 Specifications
Broadcom / LSI Logic CacheVault Flash Module for MegaRAID RAID Controllers
Manufacturer: Broadcom / LSI Logic
Manufacturer Model: CVFM04
Product Line: MegaRAID CacheVault™ Module
Product Series: CacheVault Flash Module
Product Type: Cache Backup Flash Memory Module
Product Name: Broadcom / LSI CacheVault Flash Module (CVFM04)
KEY FEATURES:
Module Type: CacheVault flash memory backup module
Primary Function: Provides non‑volatile flash storage for RAID controller cache to preserve data in the event of power loss or failure
Compatibility: Designed for use with Broadcom / LSI MegaRAID SAS controllers based on the SAS3108 or similar architectures, such as 9361‑8i and 9361‑4i controller families
Installation: Module attaches directly to compatible MegaRAID controller board and is connected to a power backup module (CVPM) for energy source during outages
Hot‑Swap Design: Can be removed and replaced (with host system powered down) for maintenance or upgrades
PERFORMANCE:
Backup Function: Uses flash memory to store volatile cache contents during power loss so that data isn’t lost if a controller’s write‑back cache cannot flush to disk before power fails
Flash Type: Non‑volatile flash memory (ONFI flash) specifically designed for cache backup applications
Data Protection: Works with a CacheVault power module (e.g., CVPM02) that provides the power needed to transfer cache contents safely to the flash module
ENVIRONMENTAL & RELIABILITY:
Operating Temperature: Typical enterprise operating range (~0 °C to 55 °C)
Storage Temperature: Extended storage range (approximately ‑40 °C to 70 °C)
Humidity: 5 % to 95 % non‑condensing
Designed For: Enterprise RAID controller environments where cache integrity is critical
PHYSICAL:
Form Factor: Small flash module designed to mount on or near a MegaRAID controller PCB
Connections: Includes board‑to‑board and cable connections compatible with CacheVault power modules (CVPM series)
Typical Use Cases: Data centers, enterprise servers, storage arrays where RAID cache protection is required

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