here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
- Free 30-day Returns
$59.88
Meet Your Seller
Visit A-Tech Store
FOLLOW
4GB RAM Replacement for Hynix HMA451U6AFR8N-TF, HMA451U6MFR8N-TF | DDR4 2133MHz PC4-17000 DIMM 1Rx8 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 Hynix HMA451U6AFR8N-TF, HMA451U6MFR8N-TF
- 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 Hynix:
HMA451U6AFR8N-TF
HMA451U6MFR8N-TF
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 Hynix:
HMA451U6AFR8N-TF
HMA451U6MFR8N-TF
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
LOADING...
A-Tech 4GB DDR4 2133MHz desktop memory is a 288-pin, non-ECC, unbuffered DIMM for desktop PCs that support these memory specifications, including compatible systems using Hynix HMA451U6AFR8N-TF or HMA451U6MFR8N-TF modules.
Recommended For
- Desktop owners replacing a failed or missing Hynix HMA451U6AFR8N-TF or HMA451U6MFR8N-TF module in a system confirmed to support this 4GB DDR4-2133 unbuffered DIMM; the goal is to restore working memory, not to make a large performance upgrade.
- Owners of a compatible DDR4 desktop with an open memory slot who want to add 4GB to existing RAM—for example, moving from 4GB to 8GB—for light browsing, email, or writing. Check motherboard support and module compatibility before mixing memory.
- Refurbishers maintaining an older, low-demand desktop that needs a specific 4GB DDR4-2133 DIMM to restore its existing configuration.
Real-World Use Scenarios
- Replacing a failed Hynix HMA451U6AFR8N-TF or HMA451U6MFR8N-TF module in a compatible desktop can restore the system’s previous memory capacity; it is a repair, not a guaranteed speed upgrade.
- Adding this 4GB module to a compatible desktop that currently has 4GB can bring total memory to 8GB. For light browsing, email, and document editing, the extra capacity may help when the original memory is limiting performance; check the system’s supported configuration first.
- If a compatible desktop slows down while switching between a few open programs, adding this module may reduce memory pressure and paging. The improvement depends on whether low RAM is the cause; it will not resolve unrelated CPU or storage bottlenecks.
- For an existing compatible desktop used mainly for one lightweight task at a time, this module can serve as a replacement or part of a modest capacity upgrade. A 4GB module alone offers limited headroom for multiple modern apps or many browser tabs.