Dell 64GB 2933MHz DDR4 PC4-23400 ECC Registered CL21 288-Pin DIMM 1.2V Dual Rank x4 Memory Module – 0W403Y

Dell 64GB DDR4 ECC Registered Memory Module – 0W403Y

The Dell 0W403Y is designed for compatible server platforms that require high-capacity DDR4 ECC registered memory. It offers a practical choice for system expansion and like-for-like replacement applications where the module characteristics must match the host design.

Key Features

• Enterprise-grade registered ECC architecture
• Dual-rank x4 memory organization
• 1.2V operating design
• Suitable for compatible Dell servers
• Useful for capacity upgrades and maintenance stock
• Exact 0W403Y identifier for matching

Product Specifications

• Manufacturer: Dell
• Part Number: 0W403Y
• Capacity: 64GB
• Memory Type: DDR4 ECC Registered DIMM
• Speed: 2933MHz
• Standard: PC4-23400
• CAS Latency: CL21
• Pin Count: 288-pin
• Voltage: 1.2V
• Rank: Dual rank
• Organization: x4
• Product Type: Server Memory

Installation Guidance

• Confirm registered ECC DDR4 support on the target platform
• Review the server manufacturer”s slot and channel population requirements
• Check compatibility with the density and organization of installed modules
• Verify available DIMM slots and firmware support

Use Cases

• Enterprise server capacity expansion
• Virtual machine host upgrades
• Application and database infrastructure
• Replacement of an equivalent server DIMM
• Maintaining standardized spare memory inventory

Compatibility

• For compatible Dell systems using DDR4 ECC registered DIMMs
• Confirm capacity, speed, rank, organization, voltage, and latency requirements
• Do not mix with unsupported unbuffered or non-ECC memory
• Use the exact 0W403Y part number for replacement matching

Frequently Asked Questions

Can this be installed in a standard desktop?

No. It is server memory with registered ECC architecture.

What should be verified before purchase?

Check the server”s supported memory type, population plan, density, and organization.

How should I identify a replacement?

Match the exact 0W403Y part number and confirm the complete system specification.

The Dell 0W403Y is a high-capacity replacement and upgrade option for compatible DDR4 server platforms. Confirm the host memory design before ordering.