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16GB RAM Replacement for Samsung M378A2G43MX3-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
- 16GB ( 1x 16GB Module ) | DDR4 2666 MHz ( PC4-21300 ) | DDR4 DIMM ( 288-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Replacement for Samsung M378A2G43MX3-CTD
- High performance Memory RAM upgrade designed for Desktop Computers
- 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
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Overview
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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!
Compatible Memory Module Replacement for Samsung:
M378A2G43MX3-CTD
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
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!
Compatible Memory Module Replacement for Samsung:
M378A2G43MX3-CTD
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
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
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
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The A-Tech 16GB DDR4-2666 desktop memory module is an unbuffered, non-ECC 288-pin DIMM designed as a replacement for Samsung M378A2G43MX3-CTD. It suits desktop users whose systems support these memory specifications.
Recommended For
- Owners of a desktop that uses DDR4-2666 288-pin UDIMM memory who need to replace a failed 16GB module; check the computer’s supported capacity and memory configuration before ordering.
- Desktop owners with a compatible open memory slot who want to add 16GB for more headroom when multitasking with many browser tabs and work applications; the result depends on the system’s memory limits and existing configuration.
- People matching or replacing a Samsung M378A2G43MX3-CTD module in a compatible desktop, especially when they want a single 16GB DDR4-2666 stick rather than a multi-module kit.
- Desktop users who want to increase memory capacity now with one module and may add another compatible stick later; confirm motherboard support and expect single-channel operation until a suitable second module is installed.
Real-World Use Scenarios
- On a compatible desktop that is running short on memory, adding this module can give a user more room to keep a browser, documents, and video calls open together, reducing slowdowns caused by memory pressure.
- For mainstream gaming on a compatible DDR4 desktop, this module can help bring a low-memory system closer to a 16GB setup; the practical benefit is more memory headroom, not a guaranteed increase in frame rate.
- For everyday home or office use—web browsing, email, documents, and streaming—this 16GB module can support a routine desktop workload when the computer and its memory configuration are compatible.
- For modest photo-editing tasks on a compatible desktop, the added memory can provide more room for an editing app and other open programs; larger projects or heavier creative workloads may need more memory.












