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Green rectangular memory module with gold edge connectors and black chips

Crucial

Crucial CT32G4RFD432A 32GB DDR4 3200 ECC Registered Server RAM

SKU CH-W9Z3-K20ER MPN CT32G4RFD432A

32 GB DDR4 3200 ECC registered memory with CL22 latency and 1.20 V operation

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • Registered buffering reduces electrical load for stable multi-module operation
  • 32 GB capacity supports large virtualisation and database workloads
  • DDR4 3200 speed delivers 25 600 MB/s peak bandwidth
  • CL22 latency at 1.20 V balances responsiveness with efficiency

Capacity and role

This 32 GB DDR4 module is built for servers and workstations that require registered ECC memory. It suits environments where data integrity and sustained uptime are priorities over raw overclocking headroom.

Registered ECC upgrade path

It replaces unbuffered non-ECC DIMMs when the platform demands registered signalling and single-bit error correction. The jump is worth it when the motherboard and CPU explicitly support registered modules and the workload cannot tolerate silent data corruption.

Sustained-load behaviour

At 1.20 V and CL22 the module maintains JEDEC-standard DDR4 3200 throughput during continuous operation. Registered buffering reduces electrical load on the memory controller, helping stability in densely populated channels over long periods.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • Registered buffering reduces electrical load for stable multi-module operation
  • 32 GB capacity supports large virtualisation and database workloads
  • DDR4 3200 speed delivers 25 600 MB/s peak bandwidth
  • CL22 latency at 1.20 V balances responsiveness with efficiency

Caractéristiques

BrandCrucial
ModelCT32G4RFD432A
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Poids d’expédition0.03 kg
Dimensions du colis157 × 50 × 3 mm

Questions sur cet article

Will the 288-pin DDR4 module fit my server's registered DIMM slots?

Yes, the module uses the standard 288-pin DDR4 form factor and is registered, so it fits server DIMM slots wired for registered memory.

Do I need to populate specific slots first when installing this 2Rx4 module?

Install modules in the slots your motherboard manual lists for the first memory channel; the common mistake is skipping the primary slot and leaving it empty.

How can I tell if the ECC function is active after installing the 32GB kit?

Enter the BIOS or UEFI and verify that ECC is reported as enabled; the registered buffer and ECC logic operate automatically once the setting is on.

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