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Green printed circuit board with black memory chips in a single row on both sides, gold edge connector at the bottom

A-Tech

A-Tech 64GB DDR4 3200 ECC RDIMM 2Rx4 CL22 1.20V Server Memory

SKU CH-K0A1-Y2FSK

64 GB DDR4-3200 ECC registered DIMM, 2Rx4 CL22 at 1.20 V, compatible with Samsung M393A8G40CB4-CWE

  • Capacity64GB
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 64 GB capacity enables larger datasets in memory
  • DDR4 3200 MHz speed supports high-throughput server workloads
  • ECC registered design detects and corrects data errors
  • 2Rx4 dual-rank organisation increases memory density per slot
  • 20 V standard voltage reduces power draw per module

64GB DDR4 3200 ECC RDIMM Server Module

This 64GB DDR4 3200 ECC RDIMM module delivers registered, error-correcting memory for server and workstation platforms. It operates at 1.20V with CL22 latency and uses a 2Rx4 organisation on Samsung chipset. The 288-pin DIMM form factor fits standard DDR4 server slots.

Suited for capacity-hungry server builds

This module suits administrators expanding memory in compatible DDR4 servers that accept registered ECC RDIMMs. It is not for desktop boards that require unbuffered non-ECC DIMMs. Buyers needing lower capacities or different speeds should verify their platform specifications before ordering.

Steady throughput under sustained load

Registered buffering and on-die ECC maintain data integrity during continuous multi-threaded workloads. The 3200MHz rating provides consistent bandwidth for virtualization, database and compute tasks. Thermal characteristics follow standard DDR4 1.2V operation for rack-density deployments.

Points forts

  • 64 GB capacity enables larger datasets in memory
  • DDR4 3200 MHz speed supports high-throughput server workloads
  • ECC registered design detects and corrects data errors
  • 2Rx4 dual-rank organisation increases memory density per slot
  • 20 V standard voltage reduces power draw per module

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM393A8G40CB4-CWE
Capacity64GB
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetSamsung Chipset
FeaturesM393A8G40CB4-CWE

Questions sur cet article

Does my server motherboard need to support DDR4 3200 ECC registered DIMMs for this 64GB module to work?

Yes, the system must accept DDR4 3200 ECC RDIMM 2Rx4 modules at 1.20V with 288-pin DIMM slots to use this 64GB stick.

Can I mix this 2Rx4 CL22 module with existing 1Rx4 or 2Rx8 DDR4 3200 ECC RDIMMs in the same channel?

Mixing different rank architectures such as 2Rx4 with 1Rx4 or 2Rx8 may prevent the server from posting or force all channels to run at the lowest common speed and latency.

How do I confirm the module is running at DDR4 3200 with ECC active after installation?

Check the BIOS memory information or use a tool like dmidecode to verify the speed shows 3200 MT/s, the type shows DDR4 Synchronous Registered ECC, and the voltage reads 1.20V.

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