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  • $51.87
  • 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 DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module

    • 4GB
    • 8GB
    • 8GB (2 x 4GB)
    • 16GB
    • 16GB (2 x 8GB)
    • 16GB (4 x 4GB)
    • 32GB
    • 32GB (2 x 16GB)
    • 32GB (4 x 8GB)
    • 64GB (2 x 32GB)
    • 64GB (4 x 16GB)
    • 128GB (4 x 32GB)
    • DDR4 3200 (PC4 25600)
    • DDR4 2666 (PC4 21300)
    • DDR4 2400 (PC4 19200)
    • DDR4 2133 (PC4 17000)
    • 4GB ( 1x 4GB Module ) | DDR4 2666 / 2667 MHz ( PC4-21300 / PC4-2666V ) | DDR4 DIMM ( 288-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.2V - DDR4 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
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    a-tech the experts in ram memory upgrades
    boost performance
    ensured reliability
    multitask with ease
    accelerate speeds to 2666/2667mhz
    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 DDR4 2666MHz DIMM memory (RAM)

    Memory Specs
    Memory Size: 4 GB ( 1 x 4 GB Module )
    Memory Type: DDR4
    Form Factor: DIMM ( 288 Pin )
    Speed: DDR4 2666 / 2667 MHz ( PC4-21300 / PC4-2666V )
    ECC Type: Non-ECC UDIMM ( Unbuffered DIMM )
    Voltage: 1.2V

    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 DDR4-2666 desktop memory module is a single 288-pin, non-ECC unbuffered DIMM for compatible desktop PCs that support DDR4 memory at 1.2V.

    Recommended For

    • Desktop owners with one compatible 4GB DDR4 module who want to add a matching 4GB stick and raise installed memory to 8GB for everyday tasks. Check the system’s supported speed and module configuration first.
    • Owners of a compatible DDR4 desktop who need to replace a failed or missing 4GB module and keep the system at its existing memory capacity.
    • Refurbishers maintaining older DDR4 desktop PCs who need a single 4GB UDIMM for a compatible system rather than a higher-capacity memory kit.

    Real-World Use Scenarios

    • A desktop with 4GB of compatible DDR4 memory has an open slot: adding this module can bring the total to 8GB, giving everyday browsing and office apps more room than the original 4GB setup. Check the motherboard’s supported memory and slot configuration first.
    • An older desktop’s 4GB memory module has failed or needs replacement: this module can restore 4GB of system memory if the PC supports this DDR4 desktop-memory type. It replaces or matches existing capacity; it does not increase the computer’s memory by itself.
    • A compatible desktop has one memory stick and a free slot: adding a second suitable module may enable dual-channel operation, depending on the motherboard and memory configuration. This can increase memory bandwidth, but it does not guarantee a noticeable improvement in every task.
    • A household or office desktop is used for light browsing, email, or basic documents, and the owner needs a low-capacity replacement or add-on: this module can serve as a compatible 4GB memory component. A single 4GB module is a modest capacity, so it should not be presented as a fix for demanding multitasking or gaming.