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Green rectangular DDR4 RDIMM module with black memory chips and gold edge connectors

OWC

OWC 32GB DDR4 3200 CL22 2Rx4 ECC Registered RDIMM 1.2V 288-pin Server RAM (OWC3R2D42R432GB)

SKU CH-FDZY-452T8 MPN OWC3R2D42R432GB

A 32 GB DDR4 3200 CL22 ECC registered RDIMM running at 1.2 V for server upgrades

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

Rank 2Rx4

  • ECC registered design protects server data integrity
  • 32GB single module expands memory capacity efficiently
  • DDR4 3200 speed delivers high throughput performance
  • JEDEC compliant build ensures broad server compatibility
  • 2V operation reduces power consumption per module

32GB DDR4 3200 ECC RDIMM

This OWC module is a 32GB DDR4 3200MHz PC4-25600 CL22 2Rx4 ECC Registered RDIMM running at 1.2V. It uses a 288-pin form factor and is fully compliant with JEDEC specifications. The memory is designed for server and workstation platforms that require registered ECC memory.

Server and workstation upgrades only

This memory suits administrators upgrading or repairing servers and workstations that specifically require registered ECC RDIMMs. It will not work in standard desktop computers or laptops that use unbuffered non-ECC modules. Builders needing unbuffered memory or consumer DIMMs should look at a different product type entirely.

Registered ECC requirement decides fit

The single specification that determines compatibility is the registered ECC RDIMM design. Only systems with motherboards and chipsets that support registered ECC DDR4 memory can use this module. Attempting to install it in a standard desktop board will result in a non-booting system.

How it compares

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

Price $224.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $7.03 per GB
Typical for this category: the median of 6,064 items is $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 nameOWC
Part number3R2D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.09 kg
Package size152 × 102 × 13 mm

Questions about this item

What does the 3200 MHz rating mean once the module is installed in a server?

The module runs at the JEDEC DDR4 3200 standard, delivering a peak transfer rate of PC4 25600 when the platform supports that speed.

How does the registered ECC interface affect what the memory can do?

Registered ECC adds a buffer and error-correction logic that stabilises heavy loads on multi-socket servers, but it prevents use in standard desktop boards.

Will the 288-pin RDIMM fit in a typical 1U server chassis?

The module follows the standard 288-pin DDR4 RDIMM form factor with no heat spreader, so it clears the low-profile DIMM slots found in most 1U systems.

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