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Green rectangular circuit board with black memory chips and gold edge connectors

SAMSUNG

SAMSUNG M393A8G40AB2-CWE 64GB DDR4-3200 ECC Registered RDIMM server RAM

SKU CH-R097-TFW4P MPN M393A8G40AB2-CWE

64 GB DDR4-3200 ECC registered RDIMM with CL22 latency for server workloads

  • Capacity64GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 3200 (PC4 25600)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • High capacity 64 GB supports large server workloads
  • DDR4-3200 speed delivers 25600 MB/s bandwidth
  • ECC registered design corrects errors for data integrity
  • Low 1.2 V voltage reduces power consumption
  • CL22 latency provides responsive memory access

High-capacity server module

This 64GB DDR4-3200 ECC registered RDIMM is built for servers and workstations that need maximum memory density per slot. The dual-rank 2Rx4 organisation and Samsung DRAM provide the reliability expected in multi-socket platforms running virtualisation or database workloads.

Low-voltage registered operation

Operating at 1.20V with CL22 latency, the module draws minimal power while the registered signal processing reduces electrical load on the memory controller. ECC circuitry corrects single-bit errors on the fly, helping maintain uptime without adding audible noise or thermal stress to the chassis.

288-pin DDR4 form factor

The standard DIMM fits any DDR4 RDIMM slot wired for registered memory; it cannot be used in unbuffered consumer boards or laptops. Each stick delivers 64GB in a single slot, leaving remaining channels free for future expansion without requiring a larger motherboard or additional risers.

Points forts

  • High capacity 64 GB supports large server workloads
  • DDR4-3200 speed delivers 25600 MB/s bandwidth
  • ECC registered design corrects errors for data integrity
  • Low 1.2 V voltage reduces power consumption
  • CL22 latency provides responsive memory access

Caractéristiques

BrandSAMSUNG
ModelM393A8G40AB2-CWE
Capacity64GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 3200 (PC4 25600)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetSamsung Chipset
Poids d’expédition0.14 kg
Dimensions du colis127 × 76 × 25 mm

Questions sur cet article

How do I install the 288-pin DDR4 RDIMM and what step is often missed?

Align the notch on the module with the slot key, press down firmly until both retention clips click, and verify the system recognises the full 64 GB capacity in BIOS.

What maintenance or replacement will this 64 GB ECC registered module need over time?

No routine maintenance is required; if a correctable error count rises or the module fails POST, replace the individual RDIMM rather than the whole kit.

What limit appears first when this 1.20 V CL22 RDIMM runs sustained workloads?

The DDR4-3200 JEDEC timing ceiling and 1.20 V voltage cap restrict further frequency scaling before thermal throttling becomes a factor.

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