SK Hynix DDR5 128GB 4800 MT/s RDIMM
Brand: SK Hynix | Category: Memory (RAM)
SKU: HMAF16GR7AJR4N-XN | Part #: HMAF16GR7AJR4N-XN | MPN: HMAF16GR7AJR4N-XN
Contact for Pricing — Request a Quote
About the SK Hynix DDR5 128GB 4800 MT/s RDIMM
A single SK Hynix DDR5 128GB RDIMM (part number HMAF16GR7AJR4N-XN) enables server configurations to reach 6TB of total system memory—the ceiling required by modern enterprise workloads spanning AI inference, high-frequency trading, and real-time analytics. This SK Hynix module operates at 4800 MT/s with CAS latency 40, delivering the performance density that next-generation Xeon Scalable platforms demand while maintaining strict JEDEC DDR5 RDIMM compliance. Built on advanced 3DS (Three-Dimensional Stacking) technology with Through-Silicon Vias, the HMAF16GR7AJR4N-XN achieves exceptional reliability through on-die ECC paired with system-level error correction, critical for mission-critical deployments where data integrity cannot be compromised.
SK Hynix DDR5 RDIMMs are procured by infrastructure architects, storage engineers, and IT procurement teams building dense virtualization clusters, database servers, and GPU-accelerated compute nodes. Organizations deploying Intel Sapphire Rapids and newer Xeon platforms require registered DIMMs to stabilize large-capacity memory subsystems; the 16Rx4 organization and dual 32-bit subchannels ensure this module scales predictably across multi-socket configurations. The 1.1V operating voltage and 10-layer PCB design minimize power consumption and thermal stress—differentiators that reduce total cost of ownership in data centers operating 24/7 across Dubai's demanding climate.
Omnixon Global stocks the SK Hynix DDR5 128GB RDIMM (HMAF16GR7AJR4N-XN) for immediate deployment across enterprise infrastructure projects. Whether you are staging a new server fleet or expanding existing capacity, our technical team ensures compatibility validation and rapid fulfillment. Contact Omnixon Global to submit your RFQ today.
Technical Specifications
| Brand | SK Hynix |
| Category | Memory (RAM) |
| SKU | HMAF16GR7AJR4N-XN |
| Part Number | HMAF16GR7AJR4N-XN |
| Condition | New |
| Capacity | 128GB |
| Form Factor | RDIMM |
| Speed | 4800 MT/s |
| Manufacturer Part Number | HMAF16GR7AJR4N-XN |
| Memory Type | DDR5 |
| Form Factor | RDIMM (Registered DIMM) |
| Capacity | 128GB |
| Data Transfer Rate | 4800 MT/s |
| Module Interface | 288-pin |
| Operating Voltage | 1.1V |
| Die Technology | 3DS (Three-Dimensional Stacking) with TSV (Through-Silicon Via) |
| ECC Support | On-Die ECC (DDR5 native) plus system-level ECC |
| DRAM Organization | 16Rx4 |
| Data Width | 64-bit (with ECC: 72-bit) |
| Subchannels | 2 independent 32-bit subchannels |
| CAS Latency (CL) | 40 |
| Timing (CL-tRCD-tRP-tRAS) | 40-39-39-76 |
| Register Type | RCD (Register Clock Driver) |
| JEDEC Compliance | JEDEC DDR5 RDIMM standard |
| Compatible Platforms | Intel Xeon Scalable (Sapphire Rapids and later) DDR5-capable server platforms |
| Operating Temperature | 0°C to 85°C |
| PCB Layers | 10-layer |
Frequently Asked Questions about SK Hynix DDR5 128GB 4800 MT/s RDIMM
What does the SK Hynix DDR5 128GB 4800 MT/s RDIMM do?
The SK Hynix DDR5 128GB 4800 MT/s RDIMM is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. SK Hynix validates this module against major server vendor compatibility matrices.
What are the headline specs of the SK Hynix DDR5 128GB 4800 MT/s RDIMM?
Key specifications for the SK Hynix DDR5 128GB 4800 MT/s RDIMM: new condition; memory type DDR5; memory capacity 128GB; memory speed 4800 MT/s; memory voltage 1.1V; memory form factor RDIMM. Manufacturer part number HMAF16GR7AJR4N-XN. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.