Micron CXL 2.0 Memory Expansion Module 128GB
Brand: Micron | Category: Memory (RAM)
SKU: MCPE28C512E2-ADAAA | Part #: MCPE28C512E2-ADAAA | MPN: MCPE28C512E2-ADAAA
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About the Micron CXL 2.0 Memory Expansion Module 128GB
The Micron CXL 2.0 Memory Expansion Module 128GB (part number MCPE28C512E2-ADAAA) delivers cache-coherent, memory-semantic load/store access via CXL.mem protocol—critical for high-frequency trading systems and in-memory databases where latency and voltage stability directly impact transaction throughput. This Micron DDR5 DRAM device operates as a CXL Type 3 host-managed device across a PCIe Gen 5 x8 interface, enabling applications to tier workloads across heterogeneous memory hierarchies without application rewrites. With on-die ECC and end-to-end data integrity built in, the module safeguards mission-critical datasets in demanding enterprise environments while maintaining a compact E3.S form factor optimized for dense server deployments. Operating temperature range spans 0°C to 70°C, ensuring stable performance in varied datacenter cooling scenarios.
Enterprise infrastructure teams—particularly storage architects, AI infrastructure engineers, and IT procurement teams managing hyperscale compute clusters—select this Micron expansion module to overcome traditional DRAM bottlenecks. Linux NUMA and tiered memory framework support (including DAMON and memtier) plus hypervisor memory tiering compatibility allow seamless integration into existing orchestration stacks. The 128GB capacity paired with CXL 2.0 protocol support unlocks memory-as-a-service architectures, enabling disaggregated compute and memory scaling that conventional PCIe expansion cannot match. Organizations running latency-sensitive workloads, large language model inference, or in-memory analytics find this module essential for cost-effective capacity growth without forklift upgrades to CXL 2.0-capable server platforms with PCIe Gen 5 slots and CXL-enabled CPU/chipset support.
Omnixon Global stocks the MCPE28C512E2-ADAAA and specializes in rapid procurement for enterprise IT infrastructure across the Gulf region. Contact our team to request a quote, confirm current availability, and discuss integration requirements for your next-generation CXL memory deployment.
```Technical Specifications
| Brand | Micron |
| Category | Memory (RAM) |
| SKU | MCPE28C512E2-ADAAA |
| Part Number | MCPE28C512E2-ADAAA |
| Condition | New |
| Manufacturer Part Number | MCPE28C512E2-ADAAA |
| Product Family | Micron CXL 2.0 Memory Expansion Module |
| Form Factor | E3.S (Enterprise and Datacenter Small Form Factor) |
| Capacity | 128GB |
| Memory Type | DDR5 DRAM (CXL Type 3 Host-Managed Device Memory) |
| CXL Protocol Version | CXL 2.0 |
| Host Interface | PCIe Gen 5 x8 |
| Device Type | CXL Type 3 (HDM — Host-Managed Device Memory) |
| Operating Temperature | 0°C to 70°C |
| Power Interface | PCIe EDSFF E3.S connector (power and signal combined) |
| Memory Access Semantics | Cache-coherent, memory-semantic load/store access via CXL.mem protocol |
| OS Memory Tiering Support | Compatible with Linux NUMA/tiered memory frameworks (e.g., DAMON, memtier) and hypervisor memory tiering |
| ECC Support | Yes — on-die ECC and end-to-end data integrity |
| Target Platform Compatibility | CXL 2.0-capable server platforms with PCIe Gen 5 slots and CXL-enabled CPU/chipset support |
Frequently Asked Questions about Micron CXL 2.0 Memory Expansion Module 128GB
Is the Micron CXL 2.0 Memory Expansion Module 128GB compatible with my server?
Part number MCPE28C512E2-ADAAA is qualified for Micron 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.