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Green rectangular DDR5 RDIMM module with gold edge connector and black chips on both sides

RIMLANCE

RIMLANCE 128GB DDR5 6400 ECC Registered RDIMM Server Memory

SKU CH-04GQ-NT765

A 128 GB DDR5 registered ECC module running at 6400 MT/s with CL52 latency and 1.1 V operation for server workloads

  • Total capacity128 GB
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix Chipset
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB capacity supports large workloads
  • DDR5 6400 speed enables fast data transfer
  • ECC registered design protects data integrity
  • 10 V operation reduces power consumption
  • Major OEM DRAM chips ensure reliable performance

Capacity and Purpose

This is a single 128GB DDR5 module built for registered ECC server and workstation platforms. It targets administrators upgrading memory capacity in systems that require registered DIMMs with error correction.

Installation Notes

The 288-pin RDIMM fits standard DDR5 server slots and operates at 1.1V. Installation fails if the platform only supports unbuffered UDIMMs or an older DDR generation, so verify the motherboard accepts registered ECC memory before purchase.

Deciding Specification

The registered ECC design with a CAS latency of 52 at 6400 MT/s determines whether this module matches the system's qualified vendor list. Only platforms validated for registered DDR5 ECC at this speed will post reliably.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $5,531.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).
Price per GB $43.22 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameRIMLANCE
Product lineRIMLANCE DDR5 Series RAM Module
Model nameDDR5 ECC Registered RDIMM Server Memory
Total capacity128 GB
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix Chipset
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.1 V

Questions about this item

How can I confirm the 128GB DDR5 6400 module is running at its rated 52 CAS latency and 1.10V after installation?

Enter the server BIOS or UEFI and open the memory information screen; it should show a single 128GB RDIMM at 6400 MT/s, CL52, 1.10 V with ECC and registered status active.

What ships with the 128GB DDR5 6400 RDIMM and what must I source separately?

The box contains one 288-pin DDR5 6400 ECC registered RDIMM; no cables, brackets or additional modules are included, so any extra DIMMs or cooling parts must be purchased separately.

Which capacity and speed version should I choose for a DDR5 server that supports PC5-51200 registered ECC memory?

Select the 128GB DDR5 6400 (PC5-51200) 2Rx4 registered ECC RDIMM; it matches the 1.10 V, CL52 specification your platform requires for maximum supported capacity per slot.

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