Adaptec AFM-700 2GB Battery Backed Write Cache
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Part number: 2275400-R Manufacturer: Adaptec
Adaptec AFM-700 2GB Battery Backed Write Cache - 2 GB
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    General Information
    Adaptec, Inc
    Manufacturer Part Number
    Manufacturer Website
    Brand Name
    Product Model
    Product Name
    AFM-700 2GB Battery Backed Write Cache
    Marketing Information

    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.

    Product Type
    Battery Backed Write Cache
    Technical Information
    Memory Size
    2 GB
    RAID Controller
    Physical Characteristics
    Weight (Approximate)
    13.76 oz
    390.0 g

    Adaptec RAID Adapters:

    • 72405
    • 71685
    • 71605
    • 7805
    • 71605Q
    • 7805Q
    Green Compliance
    Green Compliance Certificate/Authority
    Standard Warranty
    3 Year