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A green 240-pin DDR3 LRDIMM module with black memory chips and a silver label

A-Tech

A-Tech 32GB DDR3 1866 ECC LRDIMM 4Rx4 Server Memory

SKU CH-S8E5-FWEP6

32GB DDR3 1866 ECC LRDIMM module with 4Rx4 organisation, CL13 latency and 1.5V operation for server memory upgrades

  • Capacity32GB
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 32 GB capacity supports heavy server workloads
  • DDR3 1866 MHz speed enables fast data throughput
  • ECC LRDIMM design detects errors and reduces electrical load
  • CL13 latency at 1.50 V standard voltage
  • 240-pin DIMM form factor fits compatible server slots

32GB DDR3 1866 LRDIMM for Servers

This 32GB DDR3 1866MHz ECC Load Reduced DIMM is built for server and workstation platforms that require registered memory. It operates at PC3-14900 speed with CL13 latency and 1.5V standard voltage. The module uses a 4Rx4 organisation and Samsung chipset for data integrity in multi-socket systems. It suits administrators upgrading compatible Samsung part numbers.

Installing DDR3 LRDIMM Modules

The 240-pin DIMM seats in standard DDR3 slots, but the platform must support Load Reduced technology and 4Rx4 density. Mixing LRDIMMs with standard RDIMMs or UDIMMs will prevent boot. Verify the system qualified vendor list for the exact Samsung M386B4G70BM0-CMA3, M386B4G70DM0-CMA3 or M386B4G70DM0-CMA4 part numbers before ordering. Incorrect population order across channels is the most common cause of POST failure.

Sustained Load Behaviour on DDR3 1866

Under continuous workloads the ECC circuitry corrects single-bit errors without halting the server. Load Reduced buffering lowers electrical load on the memory controller, allowing higher total capacity per channel at 1866MHz. The 1.5V supply remains stable during extended compute passes. Modules without ECC or Load Reduced buffering cannot deliver the same error resilience for 24/7 operation.

Points forts

  • 32 GB capacity supports heavy server workloads
  • DDR3 1866 MHz speed enables fast data throughput
  • ECC LRDIMM design detects errors and reduces electrical load
  • CL13 latency at 1.50 V standard voltage
  • 240-pin DIMM form factor fits compatible server slots

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM386B4G70BM0-CMA3, M386B4G70DM0-CMA3, M386B4G70DM0-CMA4
Capacity32GB
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.50V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetSamsung Chipset
FeaturesM386B4G70BM0-CMA3, M386B4G70DM0-CMA3, M386B4G70DM0-CMA4

Questions sur cet article

How can I verify the module is running at 1866 MHz with CL13 after installation?

Enter the system BIOS or use a tool like CPU-Z to confirm the memory speed reads DDR3 1866 (PC3-14900) and the CAS latency shows 13.

What exactly ships in the box and do I need any extra cables or brackets?

The package contains one 32 GB DDR3 ECC LRDIMM module (240-pin DIMM). No cables, brackets or additional hardware are required for installation.

Which Samsung part numbers does this A-Tech module replace so I pick the right version?

This module is a compatible replacement for Samsung M386B4G70BM0-CMA3, M386B4G70DM0-CMA3 and M386B4G70DM0-CMA4.

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