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4GB RAM Replacement for Samsung M391A5143BB0-CQB | DDR4 2133MHz PC4-17000 ECC UDIMM 1Rx8 Server Memory
- 4GB Module ( 1x 4GB ) | DDR4 2133 MHz ( PC4-17000 ) | DDR4 DIMM ( 288-Pin ) | ECC Unbuffered ( Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible equivalent for Samsung M391A5143BB0-CQB
- High performance Memory RAM upgrade designed for Server/Workstation Systems
- 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:
M391A5143BB0-CQB
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 262 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 / PC4-2133B )
ECC Type: ECC Unbuffered ( 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:
M391A5143BB0-CQB
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 262 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 / PC4-2133B )
ECC Type: ECC Unbuffered ( 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.
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A-Tech’s 4GB DDR4-2133 ECC unbuffered UDIMM is a compatible replacement for Samsung M391A5143BB0-CQB, suited to servers and workstations that support 4GB, 1Rx8 ECC UDIMM memory at 1.2V.
Recommended For
- Owners of a compatible DDR4 ECC-UDIMM server or workstation replacing a failed 4GB, 2133MHz module—especially when matching the Samsung M391A5143BB0-CQB specification.
- Operators of small home servers or labs who need a single 4GB ECC unbuffered DIMM for a system that specifically supports DDR4-2133 ECC UDIMMs.
- Workstation or server users running long-lived or data-sensitive tasks who want ECC error correction, provided both their processor and motherboard support ECC mode.
- Maintainers of older DDR4 systems seeking a modest 4GB memory addition rather than a high-capacity upgrade, after confirming the system supports this module’s speed, rank, and unbuffered ECC type.
Real-World Use Scenarios
- When an older server or workstation with compatible ECC UDIMM support needs a failed 4GB module replaced, this stick can restore that memory slot; confirm the system’s supported memory type and configuration before installing it.
- For a small home file or backup server that already uses ECC UDIMMs, adding this module can increase installed memory modestly while retaining ECC capability, if the CPU and motherboard support ECC operation.
- When maintaining a compatible workstation used for everyday office or technical tasks, this module can replace a matching 4GB ECC UDIMM; it restores capacity rather than providing a substantial performance upgrade.
- For a basic home-lab host running a few lightweight services, this module can serve as a small capacity addition when the system is already configured for ECC UDIMMs; it is not, by itself, a large-memory upgrade for multiple virtual machines.