here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
- Free 30-day Returns
$25.29
Meet Your Seller
Visit A-Tech Store
FOLLOW
4GB RAM Replacement for Hynix HMA451R7AFR8N-UH, HMA451R7MFR8N-UH | DDR4 2400MHz PC4-19200 ECC RDIMM 1Rx8 Server Memory
- 4GB ( 1x 4GB Module ) | DDR4 2400 MHz ( PC4-19200 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for Hynix HMA451R7AFR8N-UH, HMA451R7MFR8N-UH
- 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
+
+
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 Hynix:
HMA451R7AFR8N-UH
HMA451R7MFR8N-UH
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2400 MHz ( PC4-19200 )
ECC Type: ECC RDIMM ( Registered 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 Hynix:
HMA451R7AFR8N-UH
HMA451R7MFR8N-UH
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2400 MHz ( PC4-19200 )
ECC Type: ECC RDIMM ( Registered 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...
This A-Tech 4GB DDR4-2400 ECC Registered DIMM is a 1Rx8 server-memory module for compatible servers and workstations, including systems that use Hynix HMA451R7AFR8N-UH or HMA451R7MFR8N-UH equivalents.
Recommended For
- Server or workstation technicians replacing a failed Hynix HMA451R7AFR8N-UH module in a system verified to support this 4GB DDR4-2400 ECC RDIMM specification.
- Operators maintaining a compatible DDR4 server who need a small capacity increase and whose platform manual supports 4GB, single-rank x8 RDIMMs.
- Workstation or server owners whose system specifically requires ECC registered DIMMs and who have confirmed support for DDR4-2400 RDIMMs.
Real-World Use Scenarios
- An older server that no longer detects a 4GB DIMM needs a replacement: use this equivalent module in a system that supports the listed RDIMM type to restore that memory slot’s capacity.
- A technician is troubleshooting a compatible server with a memory warning: swapping in a known-good module can help check whether the issue follows the DIMM, though the server’s diagnostics and slot configuration still need to be checked.
- A legacy server needs a small memory increase for a light-duty role: adding this module contributes 4GB, but the result depends on the server’s supported DIMM layout and may be modest for memory-intensive workloads.
- A compatible workstation needs a replacement or incremental ECC memory module: this can help maintain its existing setup, provided the workstation supports registered DDR4 memory and the required capacity and placement.