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Four green DDR4 server DIMMs, 288-pin, no heat spreader

A-Tech

A-Tech 512GB (4x128GB) DDR4 2933 ECC LRDIMM 2S4Rx4 server RAM

SKU CH-Z2DJ-ZJ8PS

Four 128 GB DDR4 2933 ECC load-reduced DIMMs giving 512 GB at CL21 1.2 V for server and workstation upgrades

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes

Capacity 512GB (4 x 128GB)

  • 512 GB total capacity across four 128 GB modules for high-density server workloads
  • DDR4 2933 MHz speed with CL21 latency accelerates data throughput in multi-channel configs
  • ECC Load Reduced DIMM technology corrects errors while reducing electrical load on the memory bus
  • 2 V standard voltage lowers power draw per module in large-scale deployments
  • 288-pin octal-rank 3DS/TSV architecture enables maximum density per DIMM slot

512 GB DDR4 ECC LRDIMM quad kit

This 512 GB kit contains four 128 GB DDR4 2933 modules built for servers and workstations that require ECC load-reduced memory. It is not compatible with desktop or laptop computers.

DDR4 2933 limits module speed to PC4-23400

The DDR4 2933 interface caps data rate at 2933 MT/s with CL21 latency and 1.20 V operation. Systems that only support lower DDR4 speeds will downclock the modules, while platforms needing faster memory cannot use this kit.

Octal-rank 3DS/TSV density decides slot fit

Each module uses 2S4Rx4 (8Rx4) 3DS/TSV organisation, so the motherboard must support octal-rank load-reduced DIMMs. Boards limited to quad-rank or standard registered DIMMs will not recognise the full capacity.

Puntos fuertes

  • 512 GB total capacity across four 128 GB modules for high-density server workloads
  • DDR4 2933 MHz speed with CL21 latency accelerates data throughput in multi-channel configs
  • ECC Load Reduced DIMM technology corrects errors while reducing electrical load on the memory bus
  • 2 V standard voltage lowers power draw per module in large-scale deployments
  • 288-pin octal-rank 3DS/TSV architecture enables maximum density per DIMM slot

Especificaciones

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 128GB 2S4Rx4 PC4-2933Y-L
Part NumberAT128G4D4D2933LO4N12V
Capacity512GB (4 x 128GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank2S4Rx4 (8Rx4 3DS/TSV)
Multi-channel KitQuad Channel Kit
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesMajor Brand Chips / Error Correcting Technology for Server Systems

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Preguntas sobre este artículo

Should I choose the 512GB quad-channel kit or buy single 128GB modules separately?

The 512GB kit contains four matched 128GB modules tested together for quad-channel operation, which ensures consistent timing and rank configuration across all channels.

What does the 2933 MHz rating deliver in a live server?

The modules run at DDR4 2933 (PC4-23400) with CL21 latency at 1.20V, providing the rated throughput when the platform memory controller is configured for that speed.

How does the LRDIMM 2S4Rx4 3DS interface affect maximum capacity?

Each module uses octal-rank x4 3DS/TSV stacking behind a load-reduced buffer, allowing the memory controller to address 128GB per DIMM slot without exceeding electrical loading limits.

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