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4GB RAM Replacement for Samsung M378A5244CB0-CPB | DDR4 2133MHz PC4-17000 DIMM 1Rx16 Desktop Memory
- 4GB ( 1x 4GB Module ) | DDR4 2133 MHz ( PC4-17000 ) | DDR4 DIMM ( 288-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Replacement for Samsung M378A5244CB0-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
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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:
M378A5244CB0-CPB
Memory Specs
Memory Size: 4 GB ( 1 x 4 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:
M378A5244CB0-CPB
Memory Specs
Memory Size: 4 GB ( 1 x 4 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
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The A-Tech 4GB DDR4-2133 desktop memory module is a 288-pin, non-ECC unbuffered DIMM designed as a replacement for Samsung M378A5244CB0-CPB; it suits desktop owners whose systems support these memory specifications.
Recommended For
- Owners repairing a compatible desktop that needs a replacement for Samsung M378A5244CB0-CPB memory; this module is listed as a 4GB DDR4-2133 replacement for that part.
- People adding a second 4GB module to a compatible desktop with an existing 4GB stick, when their goal is a modest capacity increase for everyday tasks rather than a high-memory workload. Check motherboard support and the existing module’s specifications before pairing.
- Users maintaining a low-demand, single-purpose desktop—such as one used for basic documents or a few simple browser tabs—where 4GB of total system memory is sufficient for the intended task.
- Refurbishers or technicians servicing older DDR4 desktop systems that specifically accept 288-pin, non-ECC, unbuffered DDR4-2133 memory and need a single 4GB module.
Real-World Use Scenarios
- If a compatible older desktop has 4GB installed and an available memory slot, adding this module can bring it to 8GB; everyday app switching and light multitasking may feel smoother, though results depend on the system and workload.
- For an older desktop used mainly for email, documents, and a small number of browser tabs, 4GB can support basic tasks; keeping the workload light helps avoid slowdowns when several apps or tabs are open.
- When replacing a failed or incompatible module in a desktop that uses the specified Samsung part, this 4GB DIMM may restore the intended memory capacity if the computer supports its memory type and configuration; it should not be expected to make the PC faster than it was before the failure.
- For a low-demand desktop that is already working with 4GB, replacing its module with another 4GB stick keeps the system at 4GB; it is a capacity replacement, not an upgrade for heavier browsing, gaming, or creative work.












