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Green 240-pin DDR3 server DIMM with black chips, ECC LRDIMM label

A-Tech

A-Tech 32GB DDR3 1866 ECC LRDIMM 4Rx4 Server Memory for IBM-Lenovo 46W0760 46W0761 46W0763 47J0244

SKU CH-R4SC-8N59R

32 GB DDR3 1866 ECC LRDIMM module with CL13 latency and 1.5 V operation for compatible IBM-Lenovo servers

  • Capacity32GB
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 32 GB capacity expands server memory headroom for heavier workloads
  • DDR3 1866 MHz speed accelerates data throughput for demanding applications
  • ECC LRDIMM technology detects and corrects errors while reducing electrical load
  • 4Rx4 organisation with major-brand chips delivers high-density reliability
  • 5 V standard voltage ensures compatibility with DDR3 server platforms

32GB DDR3 1866 LRDIMM for IBM-Lenovo servers

This 32GB DDR3 1866 ECC LRDIMM module is built for IBM-Lenovo servers and workstations that require load-reduced memory. It operates at 1.5V with a CAS latency of 13 and uses a 4Rx4 rank configuration. The 240-pin DIMM fits systems specifying part numbers 46W0760, 46W0761, 46W0763, or 47J0244.

Sustained load behaviour with load-reduced ECC

The load-reduced design lowers electrical loading on the memory bus, helping the server maintain stability when all DIMM slots are populated. ECC circuitry corrects single-bit errors in real time, preventing data corruption during long compute runs. Standard 1.5V DDR3 voltage keeps power draw predictable under continuous multi-threaded workloads.

Upgrade path from lower-capacity DDR3 RDIMMs

This module replaces smaller DDR3 registered DIMMs when the platform supports LRDIMM topology and 4Rx4 addressing. The jump is worthwhile when the system memory limit has been reached with standard ranks and the workload demands higher density per slot. Verify the server memory qualification list before purchase, as LRDIMM and RDIMM types cannot be mixed.

Highlights

  • 32 GB capacity expands server memory headroom for heavier workloads
  • DDR3 1866 MHz speed accelerates data throughput for demanding applications
  • ECC LRDIMM technology detects and corrects errors while reducing electrical load
  • 4Rx4 organisation with major-brand chips delivers high-density reliability
  • 5 V standard voltage ensures compatibility with DDR3 server platforms

Specifications

BrandA-Tech
Capacity32GB
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.50V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions about this item

How much heat and power does the 32GB DDR3 1866 LRDIMM draw at 1.50V when running continuously?

The module operates at the standard DDR3 voltage of 1.50V. As a Load Reduced DIMM it places less electrical load on the memory bus than a standard registered DIMM, which helps limit heat output during sustained server workloads.

What must my server already have to accept this 240-pin DDR3 LRDIMM?

Your system needs DDR3 memory slots that support 240-pin LRDIMM modules at 1866MHz, ECC capability, and a memory controller able to address 4Rx4 ranks. Verify the motherboard or server documentation lists these exact requirements before purchase.

Will this 4Rx4 LRDIMM work alongside older DDR3 RDIMMs already installed in my Lenovo server?

Mixing Load Reduced DIMMs with standard Registered DIMMs is generally not supported because they present different electrical loads to the memory controller. Check the server's memory population rules to confirm whether homogeneous LRDIMM populations are required.

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