Your Browsing History
Meet Your Seller
Visit A-Tech Store
FOLLOW
16GB RAM Replacement for Samsung M378A2K43BB1-CPB, M378A2K43CB1-CPB | DDR4 2133MHz PC4-17000 DIMM 2Rx8 Desktop Memory
- 16GB ( 1x 16GB Module ) | DDR4 2133 MHz ( PC4-17000 ) | DDR4 DIMM ( 288-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Replacement for Samsung M378A2K43BB1-CPB, M378A2K43CB1-CPB
- 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
+
+
Overview
Specs
Reviews
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
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:
M378A2K43BB1-CPB
M378A2K43CB1-CPB
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 )
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:
M378A2K43BB1-CPB
M378A2K43CB1-CPB
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 )
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
LOADING...
The A-Tech 16GB DDR4-2133 desktop memory module is a 288-pin, 1.2V non-ECC unbuffered DIMM designed for desktop systems that support these specifications, including compatible replacements for Samsung M378A2K43BB1-CPB and M378A2K43CB1-CPB modules.
Recommended For
- Owners of a desktop that specifically supports DDR4-2133, 16GB DDR4 UDIMMs, and non-ECC unbuffered memory who need a replacement module matching the listed Samsung part numbers. Verify the motherboard and CPU memory requirements before buying.
- Users repairing or maintaining an older DDR4 desktop who want a single 16GB module at the system’s supported 2133 MT/s speed, rather than changing the rest of the memory configuration.
- Desktop users whose current memory capacity is the constraint in everyday work—such as office tasks, browsing, and routine multitasking—and whose compatible system can use this 16GB module.
Real-World Use Scenarios
- On a compatible desktop that is running short on memory, installing this module as part of an upgrade to 16GB can give Windows, a browser, and office apps more room to stay open together; the improvement is most noticeable when the previous memory capacity was being filled.
- For everyday multitasking—such as keeping several browser tabs, email, documents, and a video call open—16GB can provide more headroom on a compatible desktop than a lower-memory setup, especially if apps are slowing down when memory use is high.
- For gaming on an older compatible desktop, reaching 16GB can help avoid the memory limits of smaller configurations in many games; it does not guarantee higher frame rates, and demanding newer games or gaming alongside other apps may need more memory.
- When replacing a failed or incompatible Samsung M378A2K43BB1-CPB-class module, this 16GB replacement may restore the desktop’s memory capacity once the motherboard and processor support the module’s type and configuration.












