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Green circuit board with black memory chips and silver edge connectors

A-Tech

A-Tech Supermicro Certified 32GB DDR4 3200 ECC RDIMM 2Rx4 CL22 1.20V

SKU CH-TMBR-S2XGB

32 GB DDR4 3200 ECC registered DIMM with Samsung chips, dual-rank 2Rx4 layout, CL22 latency and 1.20 V operation, certified for Supermicro servers

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetSamsung Chipset
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Supermicro certified for validated server compatibility
  • Samsung DDR4 chips deliver 3200 MHz registered ECC performance
  • 32 GB dual-rank 2Rx4 module increases workload capacity
  • CL22 latency at 1.20 V optimises throughput efficiency
  • 288-pin RDIMM form factor fits standard DDR4 server slots

Server-grade DDR4 RDIMM

This 32GB registered ECC module targets administrators expanding Supermicro platforms. The DDR4 3200 speed and dual-rank organisation suit virtualisation hosts and database nodes that demand validated compatibility.

Sustained throughput stability

Registered signalling and on-die ECC maintain data integrity during continuous heavy workloads. CL22 latency at 1.20V keeps thermal output predictable inside densely populated chassis over long duty cycles.

288-pin RDIMM form factor

Samsung M393A4K40DB3-CWE chips underpin the Supermicro MEM-DR432L-SL02-ER32 certification. The registered interface requires a compatible server board; desktop or unbuffered channels will not accept this module.

How it compares

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

Price $317.99
Pricier than about 62% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $9.94 per GB
Pricier than about 67% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR432L-SL02-ER32
Total capacity32 GB
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V

Questions about this item

At 1.20 V and 3200 MHz, does this 32 GB RDIMM run cooler than lower-speed modules under continuous load?

The module operates at the standard DDR4 voltage of 1.20 V. Power draw and heat output depend on the server's memory controller and airflow, not on the module alone.

What motherboard slot and memory controller features are required for this 288-pin ECC Registered DIMM to function?

The system must provide a 288-pin DDR4 RDIMM slot with ECC and registered-buffer support. Standard unbuffered desktop slots will not accept this module.

If I keep existing DDR4 3200 ECC RDIMMs, will this Samsung 2Rx4 CL22 module match their timing and rank configuration?

This module runs at CL22 with a 2Rx4 organization. Mixing works only when all installed DIMMs share the same speed, voltage, CAS latency, rank layout, and ECC type.

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