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  • $29.98
  • Free 30-day Returns
  • Sold by Direct from manufacturerA-Tech
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    Shipped by Direct from manufacturerA-Tech

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    A-Tech 4GB (2x2GB) DDR2 800MHz DIMM PC2-6400 UDIMM Non-ECC 1.8V CL6 240-Pin Desktop Computer RAM Memory Upgrade Kit

    • 1GB
    • 2GB
    • 2GB (2 x 1GB)
    • 4GB
    • 4GB (2 x 2GB)
    • 4GB (4 x 1GB)
    • 8GB (4 x 2GB)
    • DDR2 800 (PC2 6400)
    • DDR2 667 (PC2 5300)
    • DDR2 533 (PC2 4200)
    • 4GB Kit ( 2x 2GB Modules ) | DDR2 800 MHz ( PC2-6400 / PC2-6400U ) | DDR2 DIMM ( 240-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.8V - DDR2 Standard Voltage
    • High performance Memory RAM upgrade designed for Desktop PC / Computers
    • Easy to install and compatible for select (not limited to) Acer, Alienware, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba Models
    • All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
    • A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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    Overview
    Specs
    Reviews (2)

    Any questions? Ask CelesteSM will help you find out quickly.

    A-Tech The Experts in RAM Memory Upgrades
    Boost Performance. An A-Tech memory upgrade speeds up loading times and boosts system responsiveness
    Ensured Reliability A-Tech memory modules undergo quality control testing for dependable performance
    Multitask with ease. Take on more and multitask with ease by expanding your systems total memory.
    Accelerate speeds up to 800MHz and take on greater workloads
    An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!

    Designed for select Desktop PC Computers compatible with DDR2 800MHz DIMM memory (RAM)

    Memory Specs
    Memory Size: 4 GB Kit ( 2 x 2 GB Modules )
    Memory Type: DDR2
    Form Factor: DIMM ( 240 Pin )
    Speed: DDR2 800 MHz ( PC2-6400 / PC2-6400U )
    ECC Type: Non-ECC UDIMM ( Unbuffered DIMM )
    Voltage: 1.8V

    Ensured Reliability
    All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.

    Lifetime Warranty
    Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.

    US Based Technical Support
    Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • This item is covered by A-Tech Return Policy

    Manufacturer Contact Info

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    The A-Tech 4GB DDR2 800 desktop memory kit includes two 2GB 240-pin, 1.8V non-ECC unbuffered DIMMs, making it suitable for upgrading or replacing RAM in compatible desktop PCs that support DDR2-800.

    Recommended For

    • Owners restoring or maintaining a desktop that specifically supports 240-pin DDR2-800/PC2-6400 UDIMMs and needs a 4GB (2×2GB) replacement or upgrade kit.
    • Retro-PC builders assembling or servicing a period desktop for older PC games or legacy software that runs on DDR2-era hardware.
    • Repair technicians or owners of long-lived equipment who need standard unbuffered desktop DDR2 memory to keep a compatible legacy system in service.
    • Users with a compatible desktop motherboard who want a matched two-module kit; dual-channel operation depends on the motherboard and processor supporting it.

    Real-World Use Scenarios

    • When restoring a compatible DDR2 desktop that has only 1–2GB of RAM, installing this 4GB kit can give older Windows or lightweight Linux systems more room for everyday apps and reduce slowdowns caused by memory pressure; it will not overcome limits from an old CPU or hard drive.
    • For a legacy Windows Vista or Windows 7 desktop used for office documents, email, and a few applications at once, moving from 2GB toward 4GB can provide more multitasking headroom and reduce memory-related pauses; a 32-bit operating system may not make all 4GB available to programs.
    • When keeping an older desktop for period games, adding memory to a system that is short on RAM can help games and background tasks run with fewer memory-related slowdowns; it does not guarantee higher frame rates, which also depend on the processor and graphics card.
    • For a compatible old PC being repurposed with a lightweight Linux desktop, 4GB can leave more memory for a browser and basic productivity apps than a 1–2GB setup; the experience still depends on the chosen software and the rest of the computer.