Lenovo 16GB 4800MHz DDR5 PC5-38400 ECC Registered DIMM Single Rank x8 Memory Module – 03KL452

Lenovo 16GB DDR5-4800 ECC Registered DIMM — 03KL452

The Lenovo 03KL452 is a 16GB DDR5-4800 (PC5-38400) ECC Registered DIMM in a single rank x8 configuration. An alternate part number variant of the 4X77A77029, it delivers the same entry-capacity first-generation DDR5 server memory with ECC reliability for Lenovo ThinkSystem servers on DDR5-4800 platforms.

Key Features

• 16GB DDR5-4800 (PC5-38400) — entry-capacity DDR5 server RDIMM
• ECC Registered (RDIMM) — error correction and signal buffering
• Single Rank x8
• 288-pin DIMM — DDR5 server memory interface
• Validated for Lenovo ThinkSystem servers

Product Specifications

• Part Number: 03KL452
• Manufacturer: Lenovo
• OEM Status: OEM Lenovo ThinkSystem
• Capacity: 16GB
• Speed: DDR5-4800 (PC5-38400)
• Type: ECC Registered DIMM (RDIMM)
• Form Factor: 288-Pin DIMM
• Rank: Single Rank x8

Memory Specifications

• Capacity: 16GB
• DDR Generation: DDR5
• Speed: 4800MHz (PC5-38400)
• ECC: Yes
• Buffered: Registered (RDIMM)
• Rank: Single Rank x8
• Form Factor: 288-Pin DIMM

Performance Specifications

• Bandwidth: Up to 38,400 MB/s (PC5-38400)
• Operating Temperature: 0°C to 85°C

Use Cases

• DDR5 server memory for Lenovo ThinkSystem DDR5-4800 platforms
• Entry-capacity DDR5 RDIMM for ThinkSystem DDR5 deployments
• Virtualization and general-purpose workloads on DDR5 servers

Compatibility

• Lenovo ThinkSystem servers supporting DDR5-4800 RDIMM
• Not compatible with DDR4 slots or consumer platforms
• Verify Lenovo ThinkSystem compatibility matrix for specific server models

Frequently Asked Questions

What is the difference between 03KL452 and 4X77A77029?

Both are Lenovo 16GB DDR5-4800 ECC Registered Single Rank x8 DIMMs — alternate part numbers that may differ in DRAM manufacturer or firmware revision. Verify from Lenovo”s compatibility matrix.

Is this compatible with non-Lenovo servers?

This is an OEM Lenovo ThinkSystem RDIMM validated for ThinkSystem servers. Compatibility with non-Lenovo servers is not guaranteed.

The Lenovo 03KL452 delivers 16GB of DDR5-4800 ECC Registered server memory in a single rank x8 configuration — validated for Lenovo ThinkSystem DDR5-4800 servers requiring entry-capacity DDR5 RDIMM for enterprise workloads.