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Green rectangular DDR4 memory module with black chips on both sides and gold contacts along the bottom edge

SAMSUNG

SAMSUNG M386A4G40DM0-CPB 32GB DDR4 2133 ECC LRDIMM server RAM

SKU CH-M7R1-FQ5HH MPN M386A4G40DM0-CPB

32 GB DDR4 2133 ECC load-reduced server memory module with CL15 timing at 1.2 V

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.20V
  • 32 GB capacity supports larger server workloads
  • Load Reduced DIMM design enables higher memory density
  • ECC protection detects and corrects data errors
  • DDR4 2133 speed with CL15 latency delivers responsive performance
  • 20 V operation reduces power consumption and heat

32 GB LRDIMM for server workloads

This SAMSUNG M386A4G40DM0-CPB module delivers 32 GB of DDR4 2133 memory with ECC and load-reduced buffering. It targets enterprise servers that require high-capacity DIMMs and data-integrity protection for mission-critical applications. The 288-pin form factor fits standard DDR4 server slots.

Sustained operation at 1.20 V and CL15

The module runs at 1.20 V with 15-15-15 timings and CAS latency 15, keeping power draw and heat low during continuous multi-threaded loads. Load-reduced architecture reduces electrical loading on the memory bus, allowing larger memory configurations to remain stable over extended periods. ECC corrects single-bit errors in real time, preventing silent data corruption during long compute jobs.

Installation notes and common pitfalls

The DIMM installs like any 288-pin DDR4 module, but the motherboard must explicitly support LRDIMM technology and 4Rx4 rank organisation. Mixing LRDIMMs with registered or unbuffered DIMMs will prevent the system from posting. Verify that the server BIOS recognises load-reduced modules before populating all slots.

Points forts

  • 32 GB capacity supports larger server workloads
  • Load Reduced DIMM design enables higher memory density
  • ECC protection detects and corrects data errors
  • DDR4 2133 speed with CL15 latency delivers responsive performance
  • 20 V operation reduces power consumption and heat

Caractéristiques

BrandSAMSUNG
ModelM386A4G40DM0-CPB
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
Poids d’expédition0.04 kg
Dimensions du colis169 × 52 × 15 mm

Questions sur cet article

How much heat and power does the 32GB DDR4 2133 LRDIMM produce when running continuously?

The module operates at 1.20 volts, the standard DDR4 voltage, so power draw per stick stays low and heat output remains modest even under sustained load.

What motherboard slot and memory channel configuration does this 288-pin DDR4 2133 ECC LRDIMM require?

It fits a 288-pin DDR4 slot and needs a platform that supports Load Reduced DIMMs with ECC and 4Rx4 organisation.

Can this 32GB DDR4 2133 CL15 LRDIMM run alongside older registered DDR4 ECC modules in the same server?

Mixing LRDIMMs with standard registered DIMMs is not supported; all slots must use the same memory technology for the system to operate correctly.

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