TERRAMASTER F4-423 4-Bay High Performance NAS for SMB with N5095 Quad-core CPU, 4GB DDR4 Memory, 2.5GbE Port x 2, Network Storage Server (Diskless)
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    Western Digital WD Green WD6400AACS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

    Used - Very Good Product Type
    Erased (DoD 5220.22 M Compliant) and tested. There may be drives that have up to 25 bad sectors. There may be writing or markings on the drive or the label may vary slightly from picture.
    • 7200 RPM 16MB Cache
    • SATA 3.0Gb/s
    • 2 years limited
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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    Overview
    Specs
    The Western Digital Caviar Green 640GB Hard Drive uses less power and support quieter, cooler-running desktop PCs. Its breakthrough 16 MB cache makes this hard drive suitable for high-performance home and business computing, as it can handle high-end data-intensive and multimedia applications.
    This hard drive incorporates WD’s GreenPower technology, which yields lower operating temperatures and low acoustics, best for ultra-quiet PCs and external drives use. The IntelliPower delivers a fine-tuned balance of spin speed, transfer rate and caching algorithms; IntelliSeek Calculates optimum seek speeds; and IntelliPark automatically unload the heads during idle. All the features help the drive to operation in lower power consumption and reduced noise environment.
    • neweggGreenPower TechnologyWith GreenPower technology, the Western Digital Caviar Green WD6400AACS yields lower operating temperatures for increased reliability and low acoustics for ultra-quiet PCs and external drives.
    • neweggReduced Power ConsumptionCombined with WD's IntelliSeek, IntelliPark, and IntelliPower technologies, the Western Digital Caviar Green WD6400AACS has reduced power consumption by up to 40 percent compared to standard desktop drives
    • neweggSATA 3.0 Gb/s InterfaceThe Western Digital Caviar Green WD6400AACS features the SATA II interface supporting up to 3.0 Gb/s data transfer rates, Native Command Queuing (NCQ) and hot-pluggable point-to-point connections for optimum performance, efficiency, convenience and flexibility.
    • neweggPerpendicular Magnetic RecordingPerpendicular Magnetic recording technology enables industry-leading capacity in existing standard form factors and improves performance by increasing data density while reducing moving parts for enhanced reliability.

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