Huaqiangbei Electronics Sourcing Guide (B2B)

MICRON MTC40F2047S1RC64BB1 128GB DDR5 6400 RDIMM

MICRON MTC40F2047S1RC64BB1 128GB DDR5 6400 RDIMM

SKU: 4961

The MTC40F2047S1RC64BB1 from Micron is a 128GB DDR5 ECC registered DIMM running at 6400 MT/s, positioned for wholesale distribution to resellers, system integrators, and IT procurement teams building out current-generation enterprise server platforms. Typical end-use deployments include virtualization hosts, private and public cloud infrastructure, AI compute clusters, and HPC environments that require registered modules with on-die error correction. Procurement teams should note that DDR5 RDIMMs are not backward-compatible with DDR4 and cannot be mixed with non-registered DDR5 modules; we recommend confirming the qualified module list of the target platform before committing to volume orders.

Product specifications

Parameter Specification
Model Number MTC40F2047S1RC64BB1
Brand Micron
Memory Type DDR5 ECC RDIMM (Registered DIMM)
Capacity 128GB
Data Rate 6400 MT/s (may be down-clocked on platforms with lower supported speeds)
Speed Grade PC5-51200R
Rank Configuration 2Rx4 (Dual Rank)
Error Correction ECC Supported (requires ECC-capable platform)
CAS Latency CL52
Operating Voltage 1.1V
Pin Count 288-pin
Form Factor RDIMM (Registered DIMM)
DRAM Architecture x4-based DRAM
Data Width 80-bit (64-bit Data + 8-bit ECC)
DRAM Density 32Gb DDR5 DRAM
Compliance JEDEC DDR5 Standard
Memory Bandwidth 51.2 GB/s (per module, theoretical)
Operating Temperature 0°C to 95°C
Applications Enterprise Servers, Data Centers, Cloud Computing Platforms, AI Computing, and High-Performance Computing Environments

Sourcing & Channel Information

  • Platform fit: as a registered DDR5 module, this part is intended exclusively for server and workstation boards that explicitly list RDIMM support. It will not operate in consumer desktop boards, and RDIMMs cannot be combined with UDIMMs or SODIMMs on the same channel — a key point when advising your downstream customers.
  • Stock and batch consistency: we supply from single-lot, date-code-matched inventory wherever possible, which simplifies symmetric channel population and avoids mixed-batch issues on multi-node rollouts. Contact us for current stock levels and batch composition before scheduling delivery.
  • Configuration guidance for your projects: to realize rated bandwidth, populate memory channels symmetrically per the server vendor’s population rules (matched capacity, rank, and speed per channel), and verify the module appears on the platform QVL prior to bulk purchase.

Quality Assurance & Compliance

All units are sourced through authorized channels, 100% inspected before dispatch, and covered by a standard replacement warranty with structured RMA handling for channel partners. Shipments conform to CE, FCC, and RoHS requirements and are accompanied by appropriate export documentation, making the product suitable for resale and deployment across our supported overseas markets. Pricing is tiered by order volume, and consolidated packing or drop-shipment options can be arranged for system integrators managing multi-site deployments. For current availability, batch details, and a volume-based offer, please request a wholesale quote.

Wholesale & Procurement Notes

  • MOQ negotiable depending on stock position and destination market
  • Tiered volume pricing available — contact us for a formal quotation
  • Typical lead time: 3–7 business days for in-stock items; 2–4 weeks for scheduled volume orders
  • Packing: original OEM packaging in anti-static trays; bulk carton, consolidated pallet, or drop-shipment options on request
  • RMA window: replacement warranty within 12 months of receipt, subject to our standard B2B terms

Related reading

Wholesale picks