Hynix 64GB 3200MHz DDR4 PC4-25600 ECC Registered CL22 288-Pin DIMM 1.2V Dual Rank x4 Memory Module – HMAA8GR7AJR4N-XNTG

SK Hynix 64GB 3200MHz DDR4 PC4-25600 ECC Registered CL22 288-Pin DIMM 1.2V Dual Rank x4 Memory Module — HMAA8GR7AJR4N-XNTG

The SK Hynix HMAA8GR7AJR4N-XNTG is a 64GB DDR4-3200MHz ECC Registered (RDIMM) server memory module operating at 1.2V with CL22 latency. Featuring a 288-pin interface and Dual Rank x4 configuration, it delivers enterprise-grade ECC error correction and high-capacity memory for multi-processor server platforms. The XNTG suffix denotes a specific production revision of the HMAA8GR7AJR4N SK Hynix 64GB DDR4-3200 RDIMM family.

Key Features

• 64GB high-capacity DDR4-3200MHz ECC Registered DIMM for enterprise servers
• DDR4-3200MHz (PC4-25600) for high-bandwidth server memory performance
• Registered DIMM (RDIMM) for stability in multi-DIMM server configurations
• Dual Rank x4 configuration for high-density memory deployment
• 1.2V low-voltage operation for energy-efficient server operation
• 288-pin interface — standard DDR4 RDIMM form factor

Product Specifications

• Part Number: HMAA8GR7AJR4N-XNTG
• Manufacturer: SK Hynix
• Model: 64GB DDR4-3200 ECC Registered DIMM (XNTG revision)
• OEM Status: Genuine SK Hynix OEM
• Capacity: 64GB
• Type: DDR4 ECC Registered DIMM (RDIMM)
• Speed: 3200MHz (PC4-25600)
• CAS Latency: CL22
• Voltage: 1.2V
• Rank / Organization: Dual Rank x4
• Pins: 288-Pin
• ECC: Yes

Memory Specifications

• Capacity: 64GB
• DIMM Type: Registered ECC (RDIMM)
• DDR Generation: DDR4
• Pin Count: 288-Pin
• Rank: Dual Rank (2Rx4)
• Voltage: 1.2V
• ECC: Yes (Error-Correcting Code)
• Production Revision: XNTG

Performance Specifications

• Speed: DDR4-3200MHz
• Bandwidth: PC4-25600
• CAS Latency: CL22
• XMP / JEDEC: JEDEC standard

Use Cases

• High-capacity enterprise server memory for dual and quad-socket platforms
• Virtualization hosts requiring large DDR4-3200 RDIMM memory pools
• Database and in-memory computing workloads
• HPC and scientific computing requiring high-capacity ECC RDIMM

Compatibility

• Compatible with servers supporting DDR4-3200 ECC Registered (RDIMM) memory
• Compatible with Intel Xeon Scalable (Ice Lake) and AMD EPYC server platforms
• Functionally equivalent to HMAA8GR7AJR4N-XN and other suffix variants
• Verify server QVL (Qualified Vendor List) before ordering

Frequently Asked Questions

What is the difference between HMAA8GR7AJR4N-XNTG and HMAA8GR7AJR4N-XNTG-AC?

Both are SK Hynix 64GB DDR4-3200 ECC RDIMM modules from the same family. The -AC suffix typically indicates an alternate channel or OEM-specific variant — they are functionally equivalent with the same specifications.

Is this module compatible with Intel Xeon Ice Lake processors?

Yes, it is compatible with Intel Xeon Scalable Ice Lake server platforms supporting DDR4-3200 ECC RDIMM. Verify your specific server”s QVL before ordering.

Can I mix XNTG with other HMAA8GR7AJR4N revision variants?

Mixing production revisions of the same module family is generally supported, but consult your server documentation and QVL for mixed-revision DIMM configuration guidance.

The SK Hynix HMAA8GR7AJR4N-XNTG 64GB DDR4-3200 ECC Registered DIMM delivers high-capacity, enterprise-grade server memory performance. Order today for genuine SK Hynix RDIMM quality with proven ECC reliability.