here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
- Free 30-day Returns
$86.98
Meet Your Seller
Visit A-Tech Store
FOLLOW
16GB RAM Replacement for Hynix HMA42GL7AFR4N-TF, HMA42GR7AFR4N-TF, HMA42GR7BJR4N-TF, HMA42GR7MFR4N-TF | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
- 16GB ( 1x 16GB Module ) | DDR4 2133 MHz ( PC4-17000 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for Hynix HMA42GL7AFR4N-TF, HMA42GR7AFR4N-TF, HMA42GR7BJR4N-TF, HMA42GR7MFR4N-TF
- 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:
HMA42GL7AFR4N-TF
HMA42GR7AFR4N-TF
HMA42GR7BJR4N-TF
HMA42GR7MFR4N-TF
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: 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:
HMA42GL7AFR4N-TF
HMA42GR7AFR4N-TF
HMA42GR7BJR4N-TF
HMA42GR7MFR4N-TF
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: 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...
A-Tech 16GB DDR4-2133 ECC Registered DIMM server memory is a 1.2V, 2Rx4 module for compatible servers and workstations that support 288-pin RDIMM memory; it is listed as an equivalent replacement for four specified Hynix modules.
Recommended For
- Server administrators replacing a failed Hynix HMA42-series module in a DDR4-2133 system that supports 16GB 2Rx4 ECC RDIMMs.
- IT teams expanding memory in a compatible DDR4 server or workstation, after checking the system’s supported RDIMM type, speed, capacity, and population rules.
- Homelab builders upgrading a server platform that specifically accepts ECC registered DDR4 DIMMs, rather than desktop-style unbuffered memory.
- Workstation owners maintaining an older DDR4 platform whose motherboard and processor support registered ECC memory at the module’s specifications.
Real-World Use Scenarios
- On a compatible server running several virtual machines, adding this module can provide more memory headroom for the host and its VMs. It helps most when monitoring shows memory pressure; one 16GB module may not be enough to change performance if the server is short by much more.
- When a compatible server reports a failing memory module, this can serve as a replacement so the system can return to service. Confirm the server supports ECC registered DDR4 and the module’s capacity and configuration before installing it.
- In a compatible NAS or file server, adding memory can give the operating system more room for filesystem caching, which may help with repeated file access when the system is memory-limited. ECC can correct and report some memory errors, but it does not replace backups or other data-protection measures.
- For a memory-constrained application server, adding this module may reduce memory pressure and the need to rely on slower disk-based paging, provided the system supports it and the workload is limited by RAM. It will not address CPU, storage, or network bottlenecks.