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Green printed circuit board with black memory chips on both sides, gold edge connector, no heat spreader

A-Tech

A-Tech 256GB DDR4 3200 ECC LRDIMM 2S4Rx4 288-Pin Server RAM

SKU CH-5YP6-RR22X

Single 256 GB DDR4 3200 ECC LRDIMM module with 2S4Rx4 octal-rank 3DS chips for high-density server workloads

  • Total capacity256 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced

Capacity 256GB

  • 256 GB single module expands server memory capacity for large workloads
  • DDR4 3200 MHz speed accelerates data throughput in compatible systems
  • ECC load-reduced design corrects errors and reduces electrical load on the memory bus
  • Octal-rank 3DS/TSV architecture enables high density within a 288-pin form factor
  • 2 V standard DDR4 voltage maintains power efficiency at maximum capacity

Capacity & Purpose

This is a single 256GB DDR4 3200 ECC LRDIMM module built for servers and workstations that require load-reduced memory. It targets administrators upgrading compatible enterprise platforms to increase memory density and throughput for virtualization or database workloads. It is not for desktop or laptop computers, nor for systems that only accept standard registered DIMMs.

Installation Notes

The module uses a standard 288-pin DDR4 DIMM form factor and seats like any DIMM, but the octal-rank 3DS/TSV architecture means the memory controller must support load-reduced operation. A common issue is inserting the stick into a slot or channel the firmware does not populate for LRDIMM, which results in a no-post condition. Follow the system manual for correct channel population and BIOS settings.

Pre-Order Checks

Verify that your server or workstation explicitly lists support for 256GB DDR4 3200 ECC LRDIMM modules with a 2S4Rx4 (8Rx4 3DS/TSV) rank structure. Confirm the maximum supported capacity per slot and the qualified voltage of 1.2V. Ensure the BIOS version in use recognises load-reduced DIMMs at the rated speed.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $2,161.99
Pricier than about 87% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $8.45 per GB
Pricier than about 60% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Server Memory RAM
Model nameA-Tech 256 GB 2S4Rx4 PC4-3200AA-L
Part numberAT256G1D4D3200LO4N12 V
Total capacity256 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Memory rank2S4Rx4 (8Rx4 3DS/TSV)
Kit configurationSingle Module
Heat spreaderNo
Power
Rated voltage1.2 V

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