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Green printed circuit board with gold edge connectors and black memory chips

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC Registered RDIMM memory upgrade

SKU CH-ZJZT-XN6CY

A 32 GB DDR5 ECC registered RDIMM running at 4800 MHz CL40, validated for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 servers

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8

Capacity 32GB

  • ECC registered design protects data integrity in Dell PowerEdge servers
  • 32 GB capacity expands memory for virtualisation and heavy workloads
  • DDR5 4800 CL40 speed delivers high bandwidth at 1.1 V
  • 2Rx8 registered module fits C6600, C6620, MX760C, R660 and R6615
  • Single 288-pin RDIMM enables simple upgrade without mixing ranks

Compatible Dell PowerEdge servers

This 32 GB DDR5 4800 ECC Registered RDIMM is built for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 systems. It targets administrators who need to expand memory capacity in these specific rack and modular servers without mixing memory types.

Build integration and constraints

The module uses a 288-pin DDR5 interface at 1.1 V with CL40 latency and a 2Rx8 rank layout. It requires a platform that supports registered ECC DDR5 and cannot be combined with unbuffered or load-reduced DIMMs, so all populated slots must match this specification.

What the module replaces

It serves as a direct replacement for Dell part numbers AC239378 and SNPW08W9C/32G, letting you reuse existing qualified configurations. The single 32 GB stick adds capacity in one slot, leaving remaining slots available for identical modules to scale further.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $865.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $27.06 per GB
Pricier than about 75% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R832 GB
Total capacity32 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell PowerEdge C6600
Dell PowerEdge C6620
Dell PowerEdge MX760C
Dell PowerEdge R660
Dell PowerEdge R6615

Other versions of this model

5 more in the same range

Questions about this item

What CAS latency does this 32GB DDR5 4800 module run at under sustained server loads?

The module operates at CL40 latency as specified for DDR5 4800 operation.

How much power does this 1.1V ECC registered DIMM draw when the server runs continuously?

It runs at the standard DDR5 1.1V voltage; registered buffering adds minimal overhead versus unbuffered modules.

Which Dell PowerEdge models must I already have for this 288-pin RDIMM to be compatible?

Compatible systems include PowerEdge C6600, C6620, MX760C, R660 and R6615.

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