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Eight green DDR4 RDIMM sticks in anti-static tray

A-Tech

A-Tech 256GB (8x32GB) DDR4 3200 ECC RDIMM 2Rx4 Server RAM

SKU CH-PVWH-H85P7

Eight 32 GB registered DDR4 ECC modules at 3200 MHz with CL22 latency and 1.20 V for server workloads

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 256GB (8 x 32GB)

  • 256 GB total capacity for heavy server workloads using 8 × 32 GB modules
  • DDR4 3200 MHz speed with CL22 latency for fast data throughput
  • ECC registered DIMM design detects and corrects memory errors automatically
  • 2 V standard voltage keeps power draw low in dense configurations
  • 288-pin dual-rank x4 layout fits DDR4 server and workstation slots only

256GB DDR4 3200 ECC RDIMM kit

This A-Tech kit provides 256GB of DDR4 3200 registered ECC memory across eight 32GB dual-rank modules. It is built for servers and workstations that require 288-pin RDIMM modules with error correction. The CL22 latency and 1.20V operation match standard DDR4 specifications for enterprise platforms. Desktop and laptop systems cannot use these registered modules.

Sustained load behaviour

Registered buffering reduces electrical load on the memory controller, allowing all eight modules to run at the rated 3200 speed without signal degradation during continuous workloads. ECC circuitry detects and corrects single-bit errors in real time, preventing data corruption during long compute jobs. The 2Rx4 organisation keeps each rank dense while maintaining stable timing at 1.20V.

Upgrade scope and limits

This kit replaces smaller DDR4 RDIMM configurations or fills empty slots in compatible server and workstation boards that support 288-pin registered memory. The jump is worthwhile when workloads exceed current capacity or when error correction becomes a requirement. Systems limited to unbuffered UDIMMs or to lower maximum module densities cannot accept this memory.

How it compares

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

Price $2,324.99
Pricier than about 88% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $9.08 per GB
Pricier than about 63% 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 2Rx4 PC4-3200AA-R
Total capacity256 GB (8 × 32 GB)
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V

Other versions of this model

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Questions about this item

How much power does the 3200 MHz DDR4 kit draw at its 1.20V rating during continuous server workloads?

Each 32 GB module runs at the standard DDR4 voltage of 1.20V, so the eight-module kit draws only the power required by your platform's memory controller at that voltage.

What motherboard feature must my system already provide for these 288-pin registered DIMMs to function?

The platform must support DDR4 RDIMM memory with ECC and registered buffering; desktop or laptop boards that accept only unbuffered UDIMMs will not work.

Will the dual-rank x4 organization of these modules reduce the number of DIMMs I can populate alongside older DDR4 RDIMMs?

Each module presents two ranks to the memory controller, so the total rank count adds to any existing RDIMMs; consult your system manual for the maximum ranks per channel.

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