SK Hynix 32GB DDR4-2666MHz PC4-21300 ECC Registered CL19 288-Pin DIMM 1.2V Dual Rank x4 Memory Module — HMA84GR7AFR4N-VKTD
The SK Hynix HMA84GR7AFR4N-VKTD is a 32GB DDR4-2666MHz ECC Registered (RDIMM) server memory module operating at 1.2V with CL19 latency. Featuring a 288-pin interface and Dual Rank x4 configuration with AFR NAND die, it delivers enterprise-grade ECC error correction for Intel Xeon Scalable and AMD EPYC server platforms. The VKTD suffix denotes a specific production revision of the HMA84GR7AFR4N SK Hynix 32GB DDR4-2666 AFR RDIMM family.
Key Features
- 32GB DDR4-2666MHz ECC Registered DIMM for enterprise servers
- DDR4-2666MHz (PC4-21300) for high-bandwidth server memory performance
- Registered DIMM (RDIMM) for stability in multi-DIMM server configurations
- Dual Rank x4 (2Rx4) configuration for high-density memory deployment
- AFR NAND die — SK Hynix AFR generation memory die
- 1.2V low-voltage operation for energy-efficient server operation
Product Specifications
- Part Number: HMA84GR7AFR4N-VKTD
- Manufacturer: SK Hynix
- OEM Status: Genuine SK Hynix OEM
- Capacity: 32GB
- Type: DDR4 ECC Registered DIMM (RDIMM)
- Speed: 2666MHz (PC4-21300)
- CAS Latency: CL19
- Voltage: 1.2V
- Rank / Organization: Dual Rank x4 (2Rx4)
- Pins: 288-Pin
- ECC: Yes
- Production Revision: VKTD
Memory Specifications
- Capacity: 32GB
- DIMM Type: Registered ECC (RDIMM)
- DDR Generation: DDR4
- Pin Count: 288-Pin
- Rank: Dual Rank (2Rx4)
- Voltage: 1.2V
- ECC: Yes
- Die Type: AFR
- Production Revision: VKTD
Performance Specifications
- Speed: DDR4-2666MHz
- Bandwidth: PC4-21300
- CAS Latency: CL19
- XMP / JEDEC: JEDEC standard
Use Cases
- Enterprise server memory for Intel Xeon Scalable (Skylake/Cascade Lake) platforms
- AMD EPYC server memory requiring DDR4-2666 RDIMM
- Virtualization hosts requiring DDR4-2666 RDIMM memory
- Database and in-memory computing workloads
Compatibility
- Compatible with servers supporting DDR4-2666 ECC Registered (RDIMM) memory
- Compatible with Intel Xeon Scalable (Skylake, Cascade Lake) and AMD EPYC platforms
- Functionally equivalent to HMA84GR7AFR4N-VK, VKTF, and VKTN variants
- Verify server QVL (Qualified Vendor List) before ordering
Frequently Asked Questions
- What is the difference between HMA84GR7AFR4N-VKTD and other VK suffix variants?
- All HMA84GR7AFR4N VK-suffix variants are SK Hynix 32GB DDR4-2666 ECC RDIMM 2Rx4 AFR die modules with identical specifications. VKTD denotes a specific production revision — functionally equivalent to VK, VKTF, and VKTN.
- Is this module compatible with Intel Xeon Skylake processors?
- Yes, it is compatible with Intel Xeon Scalable Skylake and Cascade Lake server platforms supporting DDR4-2666 ECC RDIMM. Verify your specific server”s QVL before ordering.
- Can I mix VKTD with other HMA84GR7AFR4N-VK 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 HMA84GR7AFR4N-VKTD 32GB DDR4-2666 ECC Registered DIMM delivers reliable, enterprise-grade server memory performance. Order today for genuine SK Hynix RDIMM quality with proven ECC reliability.


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