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

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM memory upgrade

SKU CH-HX6J-96CJZ

64GB DDR5 4800 CL40 ECC registered RDIMM for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 servers

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB

  • 64 GB capacity lets you run large workloads on supported Dell PowerEdge servers
  • DDR5 4800 speed with CL40 latency delivers high-throughput registered memory performance
  • ECC registered design detects and corrects data errors for server reliability
  • 1 V operation reduces power draw per module in dense configurations
  • Validated for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 systems

OWC 64GB DDR5 4800 ECC RDIMM

This 64GB DDR5 4800 CL40 registered DIMM operates at 1.1V with a 2Rx4 organisation. It is built for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 servers. The module replaces Dell part AC239379 SNPJ52K5C/64G.

Registered ECC DDR5 constraints

Registered ECC DDR5 cannot be mixed with unbuffered or load-reduced modules in the same system. The 288-pin form factor fits only platforms that support registered DDR5 memory. Standard desktop boards will not accept this module.

Server DIMM installation notes

Align the notch with the slot key and press firmly until the retention clips engage. A common error is seating the module in a channel the platform does not populate for registered memory. Verify the server memory population rules before adding modules.

Points forts

  • 64 GB capacity lets you run large workloads on supported Dell PowerEdge servers
  • DDR5 4800 speed with CL40 latency delivers high-throughput registered memory performance
  • ECC registered design detects and corrects data errors for server reliability
  • 1 V operation reduces power draw per module in dense configurations
  • Validated for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 systems

Caractéristiques

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge C6600
Dell PowerEdge C6620
Dell PowerEdge MX760C
Dell PowerEdge R660
Dell PowerEdge R6615

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Questions sur cet article

Should I choose the 64GB module or add multiple smaller DIMMs to reach the same total?

This single 64GB DDR5 4800 CL40 2Rx4 registered ECC DIMM fills one slot; adding more of the same part scales capacity in 64GB increments while keeping speed and latency identical.

What does the 4800 MT/s rating actually deliver inside a Dell PowerEdge R660?

The module runs at DDR5 4800 (PC5-38400) with CL40 latency at 1.1V, so the server memory controller sees the full JEDEC-standard data rate without overclocking.

How does the 288-pin registered ECC interface limit what I can mix with this DIMM?

The 288-pin RDIMM keying and registered ECC protocol mean it only works alongside other registered ECC DDR5 modules; unbuffered or load-reduced DIMMs cannot be installed in the same system.

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