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Green rectangular DDR4 RDIMM module with black memory chips and gold contacts

Hynix

Hynix HMAA8GR7MJR4N-XN 64GB DDR4-3200MHz ECC RDIMM Memory Module

SKU CH-TZWB-Y8Z1T

Single 64 GB DDR4-3200 ECC registered DIMM with 240 pins for server memory upgrades

  • 64 GB capacity supports memory-intensive server workloads
  • DDR4-3200MHz bus speed delivers high data throughput
  • ECC registered design detects and corrects single-bit errors
  • 240-pin RDIMM form factor fits compatible server boards
  • Single 64 GB module simplifies memory configuration

Server-grade capacity

This Hynix module delivers 64 GB of DDR4 memory in a single registered DIMM designed for server and workstation platforms. Error-correcting code and registered signalling protect data integrity under sustained loads. The PC4-25600 rating confirms a 3200 MHz transfer rate for high-throughput tasks. It targets administrators who need maximum density per slot.

Platform requirements

Verify that your motherboard supports registered ECC DDR4 RDIMMs before ordering. The module uses a 240-pin interface and will not fit standard unbuffered desktop DIMM slots. Confirm the platform accepts 64 GB per slot and that the BIOS recognises registered modules. Consumer chipsets typically lack this support.

Ready to install

The unit ships as a single memory module with no additional cables, brackets or software utilities. No driver installation is required; the hardware is recognised by compatible server BIOS automatically. Packaging protects the DIMM during transit and storage.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $700.99
Pricier than about 91% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the Hynix HMAA8GR7MJR4N-XN module and what else is needed?

The package contains a single 64 GB DDR4 RDIMM. No cables or brackets are included; the module installs directly into a compatible 240-pin DDR4 server or workstation slot.

How do I choose between the listed versions or capacities for this module?

This MPN is offered only as a single 64 GB stick running at DDR4-3200MHz with ECC and registered operation. Select it when your platform requires a 64 GB registered DIMM at that speed.

What does the PC4-25600 rating mean once the module is installed in a real machine?

PC4-25600 indicates a peak transfer rate of 25 600 MB/s at 3200 MHz. The registered buffer and ECC logic add one cycle of latency but provide signal integrity and error correction for multi-DIMM server workloads.

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