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Four green DDR4 RDIMM modules with gold contacts and black chips, no heat spreaders

A-Tech

A-Tech 128GB (4x32GB) DDR4 3200 ECC RDIMM 1Rx4 Server RAM

SKU CH-PP0D-QA63W

A 128GB quad-channel DDR4 3200 ECC registered server memory kit with four 32GB single-rank x4 modules at CL22 and 1.2V

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 128GB (4 x 32GB)

  • 128 GB quad-channel kit expands server memory capacity
  • DDR4 3200 MHz speed accelerates data-intensive workloads
  • ECC registered design detects and corrects memory errors
  • 1Rx4 single-rank layout optimises signal integrity
  • 2 V standard voltage reduces power draw

128GB Quad-Channel ECC RDIMM Kit

This A-Tech kit supplies 128GB of DDR4 3200 registered ECC memory across four 32GB modules. It is built for servers and workstations that require error-correcting registered DIMMs. The single-rank 1Rx4 organisation and 1.20V operation match standard DDR4 server specifications. Desktop and laptop systems cannot use these modules.

Upgrade from lower-capacity or non-ECC memory

Replacing smaller RDIMM sets or unbuffered ECC modules with this quad-channel kit adds capacity and registered signal integrity for multi-socket platforms. The jump is worth it when workloads exceed current memory limits or when the platform demands registered DIMMs for stability. CL22 latency at 3200 MHz delivers standard DDR4 25600 throughput for supported server chipsets.

Suited for DDR4 server and workstation builders

Administrators expanding memory in compatible 288-pin DDR4 server platforms will benefit from the matched quad-channel configuration. Buyers needing unbuffered UDIMMs, desktop SO-DIMMs, or higher-speed registered modules beyond 3200 MHz should look elsewhere. Systems limited to lower maximum capacities per slot or non-ECC memory cannot use this kit.

How it compares

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

Price $991.99
Pricier than about 80% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $7.75 per GB
Pricier than about 54% 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 32 GB 1Rx4 PC4-3200AA-R
Part numberAT32G4D4D3200RS4N12 V
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

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Questions about this item

Will the 288-pin DDR4 RDIMM modules fit my server's memory slots?

Yes, each 32 GB module uses the standard 288-pin DDR4 RDIMM form factor that fits server and workstation DIMM slots designed for registered ECC memory.

Do I need to populate all four slots in a specific order for the quad-channel kit to work?

Install the four modules in the channel pairs shown in your system manual; the common mistake is placing them in adjacent slots instead of the correct interleaved pattern.

How can I tell if a module has failed and needs replacing later?

ECC will log correctable errors in the system event log; rising correctable-error counts or uncorrectable errors indicate a module should be swapped out.

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