Dell 64GB DDR5 4800MT/s 2Rx4 ECC Registered Server Memory — J52K5

The Dell J52K5 is a genuine OEM 64GB DDR5 ECC Registered (RDIMM) server memory module operating at 4800MT/s (PC5-38400) in a 2Rx4 dual-rank configuration. Designed for Dell PowerEdge servers supporting DDR5 memory, it delivers high-bandwidth, low-latency memory performance for virtualization, in-memory databases, AI/ML inference, and enterprise workloads — with ECC protection ensuring data integrity in mission-critical server environments.

Product Details

• Part Number: J52K5
• Manufacturer: Dell (OEM)
• Model: 64GB DDR5 4800MT/s 2Rx4 ECC RDIMM
• Product Type: Server Memory

Key Features

• 64GB Capacity: High-density module for memory-intensive server workloads
• DDR5 4800MT/s: Next-generation memory speed for maximum bandwidth
• ECC Protection: Detects and corrects single-bit memory errors in real time
• 2Rx4 Dual Rank: Optimized for high-density multi-DIMM server configurations
• Genuine Dell OEM: Validated for Dell PowerEdge servers

Technical Specifications

• Part Number: J52K5
• Capacity: 64GB
• Memory Type: DDR5 ECC Registered (RDIMM)
• Speed: 4800MT/s (PC5-38400)
• Rank: 2Rx4 (Dual Rank x4)
• Form Factor: 288-Pin DIMM
• OEM Status: Genuine Dell OEM

Use Cases

• Dell PowerEdge Servers: Memory upgrade or replacement for DDR5-capable PowerEdge platforms
• Virtualization: High-capacity memory for VMware ESXi and Hyper-V hypervisors
• In-Memory Databases: SAP HANA, Oracle, and Redis deployments
• AI/ML Inference: High-bandwidth memory for AI workloads

Compatibility Notes

• Compatible with Dell PowerEdge servers supporting DDR5 RDIMM memory
• Genuine Dell OEM — validated for Dell server platforms
• Verify server model and DIMM slot compatibility before ordering

Frequently Asked Questions

Which Dell PowerEdge servers support DDR5 memory?

DDR5 memory is supported on Dell PowerEdge 16th generation (Gen16) servers and later. Verify your specific PowerEdge model's memory compatibility using Dell's memory configurator.

What is 2Rx4 memory?

2Rx4 refers to dual-rank, x4 organization — meaning the module has two ranks of memory chips with x4 data width per chip. This configuration is common in high-density server RDIMMs.

Can I mix DDR5 and DDR4 memory in the same server?

No — DDR5 and DDR4 are not compatible and cannot be mixed in the same server. DDR5 requires a DDR5-capable platform with the appropriate memory slots.

Whether you are upgrading a Dell PowerEdge server for higher memory capacity, deploying a virtualization cluster, or building an AI/ML inference platform, the Dell J52K5 64GB DDR5 RDIMM delivers the bandwidth, capacity, and ECC reliability your enterprise server demands.