SK Hynix MCR DIMM DDR5 256GB Server Module
Brand: SK Hynix | Category: Memory (RAM)
SKU: SKHY-HMCG16MGBQA181N | Part #: HMCG16MGBQA181N | MPN: HMCG16MGBQA181N
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About the SK Hynix MCR DIMM DDR5 256GB Server Module
The SK Hynix MCR DIMM DDR5 256GB is a Multiplexed Combined Rank module that operates two ranks in parallel to deliver effective data rates well above standard RDIMMs, targeting the most memory-bandwidth-bound server workloads. At 256GB it offers exceptional capacity for in-memory analytics, large-model AI, and HPC.
MCR technology uses a specialized data buffer to fetch from two ranks simultaneously, presenting higher effective throughput to the memory controller while maintaining DDR5 reliability features. It is designed for platforms that natively support the MCR interface for maximum bandwidth scaling.
Ideal for
- Large-model AI and machine-learning hosts
- In-memory analytics and databases
- HPC and scientific simulation
- Bandwidth-bound enterprise workloads
- High-capacity virtualization
Technical specifications
| Manufacturer | SK Hynix |
| Part Number | HMCG16MGBQA181N |
| Capacity | 256 GB |
| Memory Type | MCR DIMM (DDR5) |
| Effective Data Rate | Up to 8800 MT/s |
| Technology | Multiplexed Combined Rank |
| ECC | On-die + module ECC |
| Registered | Yes |
| Voltage | 1.1 V |
| Form Factor | 288-pin DIMM |
| Data Buffer | Dual-rank parallel fetch |
| Target Platform | MCR-capable DDR5 servers |
| Error Handling | Post-package repair |
| Operating Temperature | 0°C to 85°C |
| Reliability | Enterprise 24x7 |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
Technical Specifications
| Brand | SK Hynix |
| Category | Memory (RAM) |
| SKU | SKHY-HMCG16MGBQA181N |
| Part Number | HMCG16MGBQA181N |
| Condition | New |
| Capacity | 256 GB |
| Memory Type | MCR DIMM (DDR5) |
| Effective Data Rate | Up to 8800 MT/s |
| Technology | Multiplexed Combined Rank |
| ECC | On-die + module ECC |
| Registered | Yes |
| Voltage | 1.1 V |
| Form Factor | 288-pin DIMM |
| Data Buffer | Dual-rank parallel fetch |
| Target Platform | MCR-capable DDR5 servers |
| Error Handling | Post-package repair |
| Operating Temperature | 0°C to 85°C |
| Reliability | Enterprise 24x7 |
Frequently Asked Questions about SK Hynix MCR DIMM DDR5 256GB Server Module
What does the SK Hynix MCR DIMM DDR5 256GB Server Module do?
The SK Hynix MCR DIMM DDR5 256GB Server Module 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 MCR DIMM DDR5 256GB Server Module?
Key specifications for the SK Hynix MCR DIMM DDR5 256GB Server Module: new condition; manufacturer SK Hynix; part number HMCG16MGBQA181N; capacity 256 GB; memory type MCR DIMM (DDR5); effective data rate Up to 8800 MT/s; technology Multiplexed Combined Rank. Manufacturer part number HMCG16MGBQA181N. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.