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Green rectangular DDR4 memory module with black chips and gold edge connector

A-Tech

A-Tech 64GB DDR4 2933MHz ECC LRDIMM 4Rx4 server RAM

SKU CH-9FNP-17AFE

64 GB DDR4 2933 MHz ECC load-reduced DIMM with 4Rx4 rank for server and workstation upgrades

  • Capacity64GB
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64GB capacity expands server memory for heavy workloads
  • DDR4 2933MHz speed delivers high bandwidth data transfer
  • ECC LRDIMM technology corrects errors and reduces electrical load
  • CL21 latency at 1.2V balances responsiveness with efficiency
  • 288-pin 4Rx4 module replaces Samsung M386A8K40CM2-CVF and M386A8K40DM2-CVF

Capacity and Form Factor

This is a single 64GB DDR4 module built in the 288-pin DIMM form factor. It is designed for server and workstation systems that require high-density memory in a standard slot. The module uses a Load Reduced ECC design to support heavy multi-tasking workloads with data integrity protection.

Build Integration Requirements

The stick runs at 2933MHz with a CL21 latency and operates at the standard 1.20V DDR4 voltage. Your motherboard must provide DDR4 DIMM slots and a memory controller that supports LRDIMM 4Rx4 registered modules. The load-reduced buffer reduces electrical load on the memory bus, freeing the controller to populate more slots at rated speed.

Ideal Use Cases and Limitations

This module suits administrators upgrading compatible Samsung M386A8K40CM2-CVF or M386A8K40DM2-CVF configurations in validated server platforms. Builders using consumer desktop boards, non-ECC workstations, or systems limited to standard RDIMM or UDIMM populations should look elsewhere, as the LRDIMM 4Rx4 organisation will not function on those platforms.

Points forts

  • 64GB capacity expands server memory for heavy workloads
  • DDR4 2933MHz speed delivers high bandwidth data transfer
  • ECC LRDIMM technology corrects errors and reduces electrical load
  • CL21 latency at 1.2V balances responsiveness with efficiency
  • 288-pin 4Rx4 module replaces Samsung M386A8K40CM2-CVF and M386A8K40DM2-CVF

Caractéristiques

BrandA-Tech
Capacity64GB
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

How does the 4Rx4 rank configuration affect maximum capacity per channel?

Each module provides 64 GB in a single 4Rx4 rank, so the per-channel limit is reached with fewer DIMMs than lower-rank alternatives.

What thermal load should I expect from the 1.20 V LRDIMM under continuous operation?

The module runs at standard DDR4 1.20 V; the load-reduced buffer lowers electrical load on the memory bus, helping keep temperatures manageable in dense server configurations.

Which motherboard feature must be present for this ECC LRDIMM to function?

The platform must support DDR4 288-pin LRDIMM with ECC and 4Rx4 addressing; standard UDIMM or RDIMM-only boards will not recognise the module.

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