SK Hynix CXL 2.0 DRAM Memory Expander 256GB
Brand: SK Hynix | Category: Memory (RAM)
SKU: HMCG08MEBRQ100N | Part #: HMCG08MEBRQ100N | MPN: HMCG08MEBRQ100N
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About the SK Hynix CXL 2.0 DRAM Memory Expander 256GB
The SK Hynix CXL 2.0 DRAM Memory Expander delivers enterprise-grade memory expansion with native support for cache-coherent, byte-addressable memory access—critical for latency-sensitive workloads in high-frequency trading, in-memory databases, and real-time analytics where every nanosecond counts. This 256 GB capacity module connects directly via PCIe 5.0 x8 host interface, enabling Tier 2 near-memory tiering on next-generation datacenter infrastructure without the overhead of traditional storage hierarchy.
Built on SK Hynix DDR5 DRAM technology and engineered to the CXL Consortium CXL 2.0 Specification, the HMCG08MEBRQ100N (part number) operates as a Type 3 CXL.mem device, offering full hardware error correction across the entire DRAM array. The on-device ECC support and integrated hardware error reporting via CXL protocol ensure data integrity in mission-critical environments. Operating across the commercial and datacenter temperature range of 0°C to 55°C, this module fits into standard EDSFF E3.S / Add-in Card (HHHL) form factors, simplifying deployment in PCIe 5.0-capable enterprise servers with x86 CPUs supporting CXL 2.0. Storage architects and IT procurement teams evaluating memory expansion strategies will find this SK Hynix solution purpose-built for low-latency, high-capacity use cases where conventional DRAM alone cannot scale. Contact Omnixon Global to request a quotation and explore integration options for your enterprise environment.
Key Specifications
- Manufacturer: SK Hynix
- Manufacturer Part Number: HMCG08MEBRQ100N
- Total Capacity: 256 GB
- Memory Technology: DDR5 DRAM
- CXL Protocol Version: CXL 2.0
- Host Interface: PCIe 5.0 x8
- ECC Support: Yes — on-device ECC across full DRAM array
- Operating Temperature Range: 0°C to 55°C
- Form Factor: EDSFF E3.S / Add-in Card (HHHL)
Technical Specifications
| Brand | SK Hynix |
| Category | Memory (RAM) |
| SKU | HMCG08MEBRQ100N |
| Part Number | HMCG08MEBRQ100N |
| Condition | New |
| Manufacturer Part Number | HMCG08MEBRQ100N |
| Product Name | CXL 2.0 DRAM Memory Expander |
| Total Capacity | 256 GB |
| Memory Technology | DDR5 DRAM |
| CXL Protocol Version | CXL 2.0 |
| CXL Device Type | Type 3 (CXL.mem) |
| Host Interface | PCIe 5.0 x8 |
| ECC Support | Yes — on-device ECC across full DRAM array |
| Form Factor | EDSFF E3.S / Add-in Card (HHHL) |
| Operating Temperature | 0°C to 55°C (commercial/datacenter range) |
| Compliance Standards | CXL Consortium CXL 2.0 Specification; JEDEC DDR5; PCIe 5.0 Base Specification |
| Memory Addressing | Byte-addressable, cache-coherent via CXL.mem protocol |
| Use Case Classification | Memory Capacity Expansion — Tier 2 / Near Memory |
| Target Platform | PCIe 5.0-capable enterprise servers (x86 CPUs with CXL 2.0 support) |
| RAS Features | Error Correction Code (ECC), hardware error reporting via CXL protocol |
Frequently Asked Questions about SK Hynix CXL 2.0 DRAM Memory Expander 256GB
Is the SK Hynix CXL 2.0 DRAM Memory Expander 256GB compatible with my server?
Part number HMCG08MEBRQ100N is qualified for SK Hynix servers that list compatible memory in their QVL. We verify QVL match before quoting — share your server model in the RFQ and our pre-sales engineers confirm fit, recommended population pattern, and total capacity supported.
What support applies to this memory module?
Full manufacturer support (typically 3 years, RDIMM/LRDIMM SKUs often lifetime against manufacturing defects). All product is sourced through distribution so support registers cleanly under your company name.
How do I request a quote?
Submit the RFQ form on this page with your quantity and destination country. Our pre-sales team responds with a vendor-confirmed quote, availability, and matching server-QVL confirmation if needed.