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Green rectangular DDR5 server memory module with gold contacts and black chips

A-Tech

A-Tech 32GB DDR5-4800 ECC RDIMM 1Rx4 EC8 for IBM-Lenovo 4X77A81438 Server RAM

SKU CH-ZR7F-Q6TH5

32 GB DDR5 4800 ECC registered server memory module for IBM-Lenovo 4X77A81438 with 1Rx4 EC8 organisation

  • Capacity32GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 32 GB capacity expands server memory for heavier workloads
  • DDR5 4800 MHz speed delivers high bandwidth for demanding applications
  • ECC RDIMM with 1Rx4 organisation protects data integrity in critical systems
  • 1 V standard voltage reduces power draw per module
  • 288-pin DIMM form factor fits compatible IBM-Lenovo 4X77A81438 servers

32GB DDR5-4800 ECC RDIMM for IBM-Lenovo Servers

This 32GB registered DIMM delivers DDR5 4800 speed with ECC protection for IBM-Lenovo systems using part number 4X77A81438. The single-rank 1Rx4 module uses major-brand chips and operates at the standard 1.1V. It targets administrators upgrading compatible server or workstation platforms.

Thermals noise and power at 1.1V

The module runs at the DDR5 baseline voltage of 1.10V, keeping power draw low for dense server configurations. Registered buffering reduces electrical load on the memory controller, which helps maintain stable thermals under sustained workloads. No active cooling is required on the DIMM itself.

Quality testing and lifetime support

Every unit undergoes quality assurance testing before shipment to verify dependable operation in supported systems. A-Tech backs the module with a lifetime warranty and provides complimentary US-based technical support for installation and troubleshooting. No additional software or accessories are bundled.

Pontos fortes

  • 32 GB capacity expands server memory for heavier workloads
  • DDR5 4800 MHz speed delivers high bandwidth for demanding applications
  • ECC RDIMM with 1Rx4 organisation protects data integrity in critical systems
  • 1 V standard voltage reduces power draw per module
  • 288-pin DIMM form factor fits compatible IBM-Lenovo 4X77A81438 servers

Especificações

BrandA-Tech
Capacity32GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4 (EC8)
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Perguntas sobre este artigo

How do I install the 288-pin DDR5 RDIMM and which slot order is correct?

Power down the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both latches click, then follow the motherboard manual for the recommended population sequence.

Will the ECC RDIMM require any firmware updates or component swaps during its service life?

The module itself has no moving parts or firmware; it only needs occasional dust removal from the gold contacts and the server's air filters to maintain cooling.

At what point does the CL40 latency become the bottleneck during sustained workloads?

Under continuous heavy memory traffic the fixed CL40 timing limits how quickly each request completes, so latency-sensitive tasks hit that ceiling before bandwidth saturates.

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