• Microchip Adaptec AFM-700 2GB Battery Backed Write Cache

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Microchip Adaptec AFM-700 2GB Battery Backed Write Cache

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Microchip Adaptec AFM-700 2GB Battery Backed Write Cache MFG: Adaptec
UPC: 760884156827

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Overview

Enabling the onboard cache on a RAID adapter card signi cantly enhances performance - especially in RAID 5 and RAID 6 scenarios - by accommodating both read caching and write caching of data. But data stored in the cache for write caching can be lost if the cache is not protected against a power or system failure.

Lithium-ion (Li-ion) battery backup units (BBUs) are traditionally employed to protect cached data on RAID adapters. Once installed, a new BBU will take several hours to reach a full charge. During the charge cycle, write cache is unprotected (i.e. turned o ), which adversly a ects the RAID adapter's performance. A typical BBU requires routine capacity testing and performs sub-optimally during those test periods. Lastly, a fully-charged BBU can only preserve data for a maximum of 72 hours during a power loss before the battery power depletes.

Tech Specs

Manufacturer Microchip Technology Inc.
Manufacturer Part Number 2275400-R
Manufacturer Website Address http://www.microchip.com
Brand Name Microchip Adaptec
Product Model AFM-700
Product Name AFM-700 2GB Battery Backed Write Cache
Product Type Cache Memory
Technical Information:
Memory Size2 GB
Data Backup TypeBattery Backed
Device SupportedRAID Controller
Physical Characteristics:
Weight (Approximate)13.76 oz
Miscellaneous:
Compatibility

Adaptec RAID Adapters:

  • 72405
  • 71685
  • 71605
  • 7805
  • 71605Q
  • 7805Q
Country of OriginIndonesia
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
Warranty:
Limited Warranty3 Year

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