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Two green DDR4 LRDIMM modules, 288-pin, no heat spreader

A-Tech

A-Tech 256GB (2x128GB) DDR4 2933 ECC LRDIMM 4Rx4 server RAM

SKU CH-E0PQ-D7NRF

256 GB dual-channel DDR4 2933 ECC LRDIMM kit with two 128 GB quad-rank modules at CL21 and 1.2 V

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes

Capacity 256GB (2 x 128GB)

  • 256 GB total capacity with two 128 GB modules
  • DDR4 2933 MHz speed rated at PC4-23400
  • ECC load-reduced design detects and corrects data errors
  • Quad-rank 4Rx4 organisation increases density per module
  • Standard 1.2 V DDR4 voltage for efficient operation

Capacity and kit configuration

This A-Tech kit delivers 256 GB of DDR4 server memory in two 128 GB LRDIMM modules. It is built for enterprise servers and workstations that require high-density registered ECC memory. The quad-rank 4Rx4 organisation allows large capacities per slot while maintaining standard 1.20 V operation.

Upgrade path from lower-density RDIMMs

Moving from standard registered DIMMs to these load-reduced modules lets you populate more slots at higher densities without exceeding the memory controller's electrical load limits. The jump is worthwhile when your workload demands more than 128 GB per channel and the platform Qualified Vendor List includes 4Rx4 LRDIMMs at 2933 MHz.

Compatibility checks before ordering

Confirm that your server or workstation explicitly supports DDR4 2933 LRDIMMs in a 4Rx4 configuration and that the BIOS revision lists this part number. Verify the correct slot population order for dual-channel operation and ensure the memory controller can address quad-rank modules at the rated speed.

Highlights

  • 256 GB total capacity with two 128 GB modules
  • DDR4 2933 MHz speed rated at PC4-23400
  • ECC load-reduced design detects and corrects data errors
  • Quad-rank 4Rx4 organisation increases density per module
  • Standard 1.2 V DDR4 voltage for efficient operation

Specifications

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 256GB (2x128GB) 4Rx4 PC4-2933Y-L
Part NumberNE-SS-0713
Capacity256GB (2 x 128GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4 / 4DRx4
Multi-channel KitDual Channel Kit
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesMajor Brand Chips

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Questions about this item

Will these 288-pin LRDIMM modules fit my server's DDR4 memory slots?

Yes, they are 288-pin DDR4 DIMMs designed for servers and workstations that support load-reduced memory; they will not fit desktop or laptop slots.

What is the correct way to seat both 128GB modules for dual-channel operation?

Install one module per memory channel following the motherboard manual's population order; the common mistake is placing both sticks in the same channel, which forces single-channel mode.

How can I tell when a 4Rx4 module needs replacement?

ECC will log correctable errors in the system event log; a rising count or uncorrectable errors reported by the OS or BIOS indicates the module should be swapped.

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