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Eight green 288-pin DDR4 LRDIMM modules with black chips, no heat spreaders

A-Tech

A-Tech 1TB (8x128GB) DDR4 2666 ECC LRDIMM 2S4Rx4 Server RAM

SKU CH-J1RS-J3D7E

Eight 128 GB DDR4 2666 ECC LRDIMM modules deliver 1 TB of load-reduced server memory at 1.2 V

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1TB total capacity across eight 128GB modules
  • DDR4 2666MHz speed rated at PC4-21300 standard
  • ECC Load Reduced DIMM for data integrity under load
  • 2S4Rx4 octal-rank 3DS/TSV architecture maximises density
  • 2V operation at CL19 latency for efficient performance

1 TB DDR4 LRDIMM kit for servers

This kit delivers 1 TB of DDR4 memory across eight 128 GB load-reduced DIMMs. It is built for servers and workstations that require ECC protection and high-density registered modules. Desktop and laptop systems cannot use these modules.

DDR4 2666 limits capacity and speed scaling

The DDR4 2666 interface caps data-rate at 2666 MT/s and operates at 1.2 V with CL19 latency. Load-reduced topology reduces electrical load on the memory bus, yet total capacity and rank count remain bound by the platform's memory-controller specification.

Verify LRDIMM support and slot count before ordering

Confirm that your server or workstation motherboard lists DDR4 LRDIMM 288-pin modules in its qualified-vendor list and provides at least eight available DIMM slots. Check the manual for population rules, maximum rank-per-channel limits, and any required BIOS version.

Highlights

  • 1TB total capacity across eight 128GB modules
  • DDR4 2666MHz speed rated at PC4-21300 standard
  • ECC Load Reduced DIMM for data integrity under load
  • 2S4Rx4 octal-rank 3DS/TSV architecture maximises density
  • 2V operation at CL19 latency for efficient performance

Specifications

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 1TB (8x128GB) 2S4Rx4 PC4-2666V-L
Part NumberNE-SS-0711
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank2S4Rx4 (8Rx4 3DS/TSV)
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesMajor Brand Chips

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Questions about this item

Is the 1 TB kit the only capacity option or are smaller kits available?

The listing covers the 1 TB kit built from eight 128 GB modules. Other kit sizes are not described in this product entry.

What does the 2666 MHz rating mean once the modules are installed in a server?

The modules run at DDR4 2666 (PC4-21300) with CL19 latency at 1.20 V, delivering that transfer rate when the platform supports the speed.

How does the 288-pin DDR4 LRDIMM interface affect maximum capacity and rank limits?

The 288-pin DDR4 LRDIMM form factor with 2S4Rx4 (8Rx4 3DS/TSV) organisation allows eight ranks per module, enabling the 128 GB density per DIMM.

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