The SK hynix HMAA8GL7MMR4N-UH is a 64GB DDR4-2400 LRDIMM frequently ordered in volume by resellers, system integrators, and data center procurement teams stocking memory for virtualization hosts, cloud nodes, and HPC builds. Its load-reduced buffer design lowers electrical load on the memory bus, enabling denser channel population than standard RDIMMs on supported platforms — a key selling point for high-density server configurations. We hold this SKU in stock for B2B supply and can support recurring bulk orders. Note that LRDIMMs must not be mixed with RDIMMs in the same channel; we recommend customers verify the platform QVL before committing to volume quantities.
B2B Supply Highlights
- Batch consistency: volume orders are fulfilled from matched production lots wherever possible, ensuring uniform firmware, die revision, and date codes across each shipment — critical for integrators deploying multi-node fleets.
- Stock availability: ongoing inventory maintained for this part number; large quantities confirmed prior to order acceptance.
- Warranty & RMA: standard supplier warranty with structured RMA handling; defective units are processed with traceable reporting for inventory accounting.
- Compliance: export-ready with CE, FCC, and RoHS conformity documentation available on request for customs and tender requirements.
- Buyer guidance: procure all modules for a single server build in matched part number, rank configuration, and speed grade to avoid memory training issues; verify 64GB 4Rx4 LRDIMM support against the platform’s qualified vendor list before scaling orders.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Brand | SK hynix |
| Part Number | HMAA8GL7MMR4N-UH |
| Capacity | 64GB |
| Memory Type | DDR4 SDRAM |
| Module Type | LRDIMM (Load Reduced DIMM) (not interchangeable with RDIMM in the same channel) |
| Form Factor | 288-Pin DIMM (server form factor) |
| Data Rate | 2400 MT/s |
| Speed Grade | DDR4-2400 (may clock down on faster or slower platforms, platform dependent) |
| Bandwidth | PC4-19200 |
| Rank Configuration | 4Rx4 (Quad Rank) (check channel population limits per platform) |
| Error Correction | ECC Supported (requires ECC-capable platform) |
| CAS Latency | CL17 |
| Operating Voltage | 1.2V (standard DDR4 voltage) |
| Signal Processing | Registered / Load Reduced |
| Organization | 8G x 72 (72-bit includes ECC bits) |
| Application | Servers, Data Centers, Virtualization, Cloud Computing, HPC |
Compatibility Notes for Integrators
- This is a DDR4 LRDIMM — it is not backward or forward compatible with DDR3 or DDR5 platforms and cannot be mixed with RDIMMs or UDIMMs in the same channel. Confirm that the target server platform (e.g., Intel Xeon or AMD EPYC generation) supports 64GB quad-rank LRDIMMs at 2400 MT/s.
- Within the DDR4 line, LRDIMMs enable higher per-channel density than RDIMMs thanks to the load-reduced buffer, making them well suited to large-memory virtualization, in-memory databases, and caching tiers. CL17 at 2400 MT/s is a standard baseline grade for this generation.
- For fleet deployments, standardize on matched part numbers and speed grades across all modules per host to minimize qualification and training issues.
For pricing on volume orders, stock confirmation, or compliance documentation, request a wholesale quote and our sales team will respond with current availability and terms.
Wholesale & Procurement Notes
- MOQ negotiable depending on configuration and destination market.
- Tiered volume pricing available — contact sales for a quote on project quantities.
- Typical lead time: 3–7 business days for in-stock quantities; extended lead times quoted for large batches.
- Packing & shipping: anti-static trays/boxes with export cartons; air, sea, or express freight supported.
- RMA window: standard warranty period with 30-day DOA replacement handling.
