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Green rectangular RDIMM memory module with black chips and gold contacts

SK hynix

SK hynix HMABAGR7A2R4N-XS 128 GB DDR4 RDIMM accessory

SKU CH-YWEN-0QV9Y

A 128 GB DDR4 RDIMM with ECC running at 3200 MT/s for server workloads

  • 128 GB capacity supports large workloads
  • DDR4-3200 bus speed enables fast data transfer
  • PC4-25600 rating matches server memory standards
  • ECC memory detects and corrects data errors
  • Single 128 GB RDIMM module simplifies installation

Server-grade DDR4 memory

This 128 GB RDIMM module is built for servers and workstations that require registered ECC memory. It suits administrators expanding capacity in compatible DDR4-3200 platforms where data integrity and high density are priorities.

RDIMM form factor with ECC

The registered DIMM design adds a register between the DRAM and the memory controller to reduce electrical load on the bus. ECC capability detects and corrects single-bit errors, helping maintain uptime in mission-critical workloads.

Standard DDR4 power envelope

Operating at the DDR4-3200 JEDEC speed, the module runs at the standard 1.2 V for this generation. Thermal output and acoustic impact follow the platform’s normal cooling design without additional power demands.

Highlights

  • 128 GB capacity supports large workloads
  • DDR4-3200 bus speed enables fast data transfer
  • PC4-25600 rating matches server memory standards
  • ECC memory detects and corrects data errors
  • Single 128 GB RDIMM module simplifies installation

Specifications

No published specifications for this item yet.

Questions about this item

What bandwidth does the PC4-25600 DDR4 interface cap at in practice?

The PC4-25600 rating provides a maximum theoretical bandwidth of 25600 MB/s.

What physical slot and clearance does this 128 GB RDIMM require?

It fits a standard DDR4 RDIMM slot and needs enough vertical clearance for a registered DIMM height.

How is this module installed, and what step do people often get wrong?

Align the notch with the slot key, press firmly until both retention clips click, and ensure the clips fully engage to avoid a loose connection.

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