Supplying DDR chips and DDR modules (Samsung, SK Hynix, Micron, CXMT, etc.).
Suitable for enterprise-grade servers, workstations, desktop computers, and laptops.
NAND Flash
Supplying embedded storage (eMMC/UFS) and SSD chips and modules for consumer and enterprise applications.
Location
Shenzhen — one of China’s most developed coastal cities, located adjacent to Guangzhou, Hong Kong, and Macao.
Region
Serving global markets across diverse countries and regions, with a constant focus on markets at every stage of development.
Value
Continuously delivering value to clients and supporting their business growth.
Service Process
A clear, proven management process — ensuring every project is delivered efficiently.
Step 1: Define Client Project Requirements
1.1 Establish communication and clarify the client’s initial project requirements. Assign a Project Manager. Confirm sample requirements and arrange sample shipment if needed.
1.2 Create client and project files.
Step 2: Project Kick-off Meeting
2.1 Project Manager holds an internal kick-off meeting.
2.2 Project Manager organizes a formal kick-off meeting with the client to confirm contract objectives and project milestones. (Client representatives typically participate via video conference.)
Step 3: Production / Procurement
3.1 Project team tracks production and procurement progress.
3.2 Project Manager provides the client with regular weekly/monthly reports, risk registers, and issue resolution updates.
Step 4: Project Completion & Acceptance
4.1 Upon project completion, the project team reviews contract deliverables and conducts an internal acceptance check.
4.2 Project Manager organizes a formal acceptance meeting with the client. (Client representatives typically participate via video conference.)
Step 5: Packing & Shipping
5.1 Dedicated logistics personnel complete final packing.
5.2 All export customs documentation is finalized.
5.3 Official shipment dispatched.
Step 6: After-Sales Service
6.1 Client unpacks and inspects goods upon receipt.
6.2 Project team actively follows up on after-sales service.
RIDATA DDR5 64GB, 6400MHz RDIMM, Enterprise Server Memory, Made in China Taiwan RAM, RT164642RD238-IHXM, Workstation Memory Buying Guide.
With the explosive growth of Artificial Intelligence (AI), big data analytics, and cloud virtualization, today’s servers and High-Performance Computing (HPC) workstations require unprecedented bandwidth and memory reliability. For IT procurement managers and system integrators, selecting memory that matches high performance with enterprise-grade stability is key to lowering Total Cost of Ownership (TCO) and securing mission-critical continuity.
This guide provides an in-depth evaluation of the RIDATA DDR5 6400 MT/s 64GB RDIMM Server Memory (Part Number: RT164642RD238-IHXM).
Unmatched 6400 MT/s Bandwidth DDR5 introduces dual independent sub-channels per DIMM to dramatically boost efficiency. Operating at 6400 MT/s (MHz), this RIDATA module reduces data transfer latency and unlocks the full parallel computing power of modern multi-core server processors.
High-Density 64GB Modules for Slot Optimization With 64GB capacity per stick, IT teams can maximize memory density within limited server DIMM slots. In virtualization environments such as VMware, Hyper-V, or Kubernetes clusters, high-density RDIMMs support higher Virtual Machine (VM) density while reducing server footprint and power consumption.
Enterprise ECC Registered Technology Designed specifically as an RDIMM (Registered DIMM), the RT164642RD238-IHXM incorporates an onboard register chip to reduce electrical load on the CPU memory controller. Integrated Advanced ECC (Error-Correcting Code) automatically detects and corrects single-bit memory errors, preventing system crashes and data corruption during intensive operations.
2. Quality Assurance: Made in China Taiwan
Strict Industrial Standards Manufactured 100% in China Taiwan, RIDATA leverage years of expertise in storage and memory solutions. Every module undergoes rigorous burn-in stress testing and cross-platform compatibility validation to guarantee 24/7 reliability in demanding data center conditions.
Full Product Traceability Each unit is issued a unique serial number (e.g., SN: RDAD5RDM266170001), ensuring streamlined asset tracking, authenticity verification, and efficient enterprise warranty support.
3. Application & Deployment Matrix
Deployment Scenario
Value Proposition
Suitability
AI Training & Inference Servers
High 6400 MT/s bandwidth speeds up dataset loading and parallel execution
Excellent
Enterprise Virtualization & Cloud
64GB density maximizes VM capacity per node
Excellent
Financial & Database Systems
ECC Registered design ensures zero single-bit error tolerance
Excellent
3D Rendering & CAD Workstations
Reduces heavy rendering times and prevents workstation freezes
Very High
4. Procurement Conclusion
For IT decision-makers and system builders planning infrastructure upgrades, the RIDATA DDR5 6400 64GB RDIMM (RT164642RD238-IHXM) delivers a well-balanced combination of extreme speed, robust stability, and trusted China Taiwanese manufacturing quality—making it a dependable investment for modern compute workloads.
Server DRAM supply chainWhy Server Memory Requires More Than Capacity and Price?
Server-grade memory modules operate under sustained, high-density workloads. A compatibility, thermal, or data-integrity issue can affect entire systems, delivery schedules, and customer confidence—not just a single DIMM. For DDR5 RDIMMs, LRDIMMs, and other server modules, the right OEM/ODM partner must combine DRAM sourcing, module design, validation, and volume-manufacturing capability.
DDR5 delivers higher bandwidth and density than previous generations, while integrating the PMIC on the module and improving temperature monitoring and power management. This raises the bar for a supplier’s design, component sourcing, and test capabilities.semiconductor.
Key Criteria for Selecting a Server Memory Supplier
Selection Area
What Buyers Should Verify
DRAM sourcing
Original-brand DRAM, traceable wafer/die batches, authorization or supply documentation
Product portfolio
DDR5 RDIMM, LRDIMM, ECC UDIMM, CUDIMM, and other server-relevant form factors
Platform compatibility
Validation on major Intel and AMD server platforms; alignment with server OEM QVL requirements
Critical components
Qualified and traceable RCD, PMIC, SPD Hub, and temperature-sensor solutions
Testing capability
100% module testing, burn-in, signal-integrity, thermal, and stress testing
Quality system
ISO 9001 or equivalent systems, batch traceability, failure analysis, and RMA process
Supply continuity
Stable access to DRAM, PMICs, RCDs, and other long-lead components
Customization
Capacity, speed, rank, height, labeling, SPD/firmware configuration, and packaging options
Support and warranty
Clear warranty terms, technical support, failure analysis, and replacement strategy
A DDR5 RDIMM typically relies on a chipset including an RCD, PMIC, SPD Hub, and temperature sensors. The SPD Hub stores module characteristics, configuration, timing parameters, and supported operating modes, while temperature sensors support cooling and operating-condition management.
Recommended Supplier Evaluation Process
Define platform requirements: Confirm CPU platform, slot type, supported speed, maximum capacity, rank configuration, and RDIMM/LRDIMM requirements.
Request complete datasheets: Review DRAM vendor, module height, operating temperature, voltage, ECC, SPD configuration, and key component part numbers.
Require compatibility evidence: Prioritize modules validated on the target server platform or listed on the OEM QVL. Matching capacity and speed alone does not guarantee qualification; rank, die, or manufacturer differences can still cause failures.
Run sample validation: Conduct boot compatibility, bandwidth, stress, high/low-temperature, and long-duration stability testing.
Audit manufacturing and traceability: Confirm SMT, testing, burn-in, packaging, batch-number control, and defect traceability.
Evaluate total cost of ownership: Include unit price, yield, RMA rate, lead time, technical support, and supply-disruption risk—not purchase price alone.
Procurement Recommendation
For AI servers, virtualization, databases, and cloud infrastructure, prioritize OEM/ODM suppliers with original-brand DRAM access, complete test reports, platform-validation experience, and proven volume-production capability. JEDEC memory-module standards cover RDIMM, LRDIMM, UDIMM, and other module types, so buyers should require suppliers to identify the exact standard and module type their products comply with.
Our factory’s DDR production line is fully equipped to meet customer requirements for OEM/ODM orders, with product capacities ranging from 8GB to 128GB. We utilize authentic, original-manufacturer DRAM chips from Samsung, SK Hynix, Micron, and CXMT .
Procurement Director FAQ
Q1: How should buyers choose among original memory, branded modules, and ODM-customized modules? A:
Original manufacturer memory suits mission-critical systems requiring the highest compatibility, warranty, and long-term supply assurance.
ODM/OEM modules suit buyers with defined platform requirements, volume purchasing, cost-optimization goals, or special specifications—but require rigorous audits of DRAM sourcing, test reports, quality systems, and after-sales support.
For AI servers, databases, virtualization, and core business systems, platform-validation evidence and batch traceability should be non-negotiable requirements.
Q2: How can buyers verify DRAM quality and authenticity? A: Request the following from suppliers:
DRAM brand, part number, batch number, and date code
Manufacturer authorization, channel documentation, or traceable purchasing records
DRAM-to-module matching and validation reports
Written confirmation that no refurbished, remarked, mixed-batch, or unknown-source DRAM is used
Retained samples and defect-traceability procedures
Server-grade modules should use original-brand DRAM or fully traceable authorized-channel DRAM. Major DRAM makers such as Micron test both components and modules to mission-critical server standards, providing a useful quality benchmark for procurement teams.
Q3: Why can memory still fail compatibility even when capacity, speed, and rank match? A: Server memory compatibility also depends on:
CPU memory controller and BIOS version
RDIMM/LRDIMM type and rank configuration
DRAM vendor, die revision, and packaging
RCD, PMIC, SPD Hub, and temperature-sensor design
Module height, PCB layout, power integrity, and signal integrity
Server OEM QVL qualification status
Buyers should require real-world test reports for the target platform and complete sample validation before volume production. In DDR5 RDIMMs, the RCD, PMIC, SPD Hub, and temperature sensors jointly determine configuration, power delivery, monitoring, and compatibility behavior.
Q4: What testing capabilities must an ODM supplier have? A: At minimum, confirm:
100% functional and parameter testing
Burn-in and high/low-temperature testing
Memory bandwidth, stress, and stability testing
Signal-integrity and power-integrity testing
SPD data verification and firmware/configuration control
Batch reliability sampling and failure-analysis capability
Suppliers offering only visual inspection or basic boot testing are not suitable for critical server projects.
Q5: How should procurement leaders assess delivery risk? A: Evaluate five areas:
Upstream material risk: Availability and safety stock for DRAM, PMICs, RCDs, and SPD Hubs.
Capacity and lead time: Monthly capacity, production scheduling, urgent-order response, and on-time delivery history.
Geopolitical and logistics risk: Manufacturing location, export compliance, shipping options, and buffer-stock strategy.
Financial stability: Payment terms, capacity-expansion capability, and ongoing R&D investment.
AI memory demand, hyperscale allocation, and general-purpose server demand can intensify RDIMM supply constraints, making early commitment to critical materials and delivery windows more important.
Q6: Which specifications should be written into a custom-memory procurement contract? A: Specify:
DRAM brand, part number, batch rules, and a prohibition on refurbished memory
Module type, capacity, speed, rank, voltage, and ECC configuration
PCB layer count, module height, gold-finger plating, and operating temperature
RCD, PMIC, SPD Hub, and temperature-sensor part numbers or approved-vendor scope
SPD configuration, labeling, barcode, packaging, and ESD requirements
Test items, sampling plan, AQL, burn-in duration, and shipment-report format
Warranty, RMA turnaround, failure-analysis responsibility, and replacement strategy
Lead time, safety stock, MOQ, and price-validity period
Q7: Beyond unit price, what should buyers negotiate? A: Use total cost of ownership (TCO), including:
Yield and incoming-defect rate
RMA rate, repair turnaround, and logistics cost
Hidden costs from downtime, replacement, and project delays
Technical-support responsiveness
Inventory cost caused by lead-time volatility
Long-term supply and product-transition risk
A slightly higher-priced supplier with stable compatibility and fast after-sales support often delivers better procurement value than a low-cost supplier with high return rates.
Q8: How can companies build a practical supplier-scorecard? A: Use a weighted framework such as:
Evaluation Area
Suggested Weight
Key Focus
DRAM and material traceability
20%
Original-channel sourcing, batch traceability, no refurbished DRAM
Platform compatibility and validation
20%
Intel/AMD testing, QVL alignment, real test reports
Quality system and testing
20%
ISO systems, 100% testing, burn-in, failure analysis
As global data centers and enterprise IT infrastructures transition to next-generation high-performance computing (HPC) and AI workloads, selecting high-reliability server memory has become paramount. The CXMT CXMR4E464R8AS-CB1C is a high-density 64GB DDR5 ECC RDIMM operating at 5600 MT/s, designed specifically for enterprise-grade servers, cloud data centers, and critical IT deployments.
This procurement guide provides IT buyers, hardware procurement managers, and data center architects with a detailed technical breakdown, compatibility advice, and strategic purchasing recommendations for the CXMT DDR5 memory series.
1. Technical Specifications & Part Number Decoding
Understanding CXMT’s part numbering system ensures accurate component sourcing and avoids integration mismatches.
The CXMT 64GB DDR5 5600MHz RDIMM is engineered for bandwidth-intensive, highly reliable enterprise workloads:
AI & Machine Learning Training/InferenceHigh-speed 5600 MT/s memory bandwidth accelerates data feeding to GPUs and NPUs, reducing pipeline bottlenecks during large model processing.
Enterprise Virtualization & Hyper-Converged Infrastructure (HCI)The 64GB per-DIMM capacity allows IT administrators to scale host memory density (e.g., reaching 1TB+ RAM per dual-socket server) for high-density VM hosting (VMware ESXi, Nutanix, Proxmox).
In-Memory Databases & ERP SystemsIdeal for SAP HANA, Redis, and SQL clusters where raw memory throughput and Sideband ECC error protection directly impact transactional stability and query latency.
Telecom & Edge ComputingMeets strict stability requirements for carrier-grade deployments, 5G core network virtualization, and localized edge processing.
3. Platform Compatibility & Hardware Integration
Before issuing a Purchase Order (PO), IT sourcing teams must verify platform compatibility:
Processor Support:
Intel® Xeon® Scalable Processors: Fully compatible with 4th Gen (Sapphire Rapids) and 5th Gen (Emerald Rapids) Xeon processors supporting DDR5-5600.
AMD EPYC™ Processors: Fully optimized for AMD EPYC™ 9004/8004 Series (Genoa, Bergamo, Siena) platform architectures.
System Vendors & OEM Servers:
Suitable for custom white-box servers, Supermicro, Inspur, Lenovo ThinkSystem, Dell PowerEdge, and HPE ProLiant platforms configured for JEDEC-standard DDR5 RDIMMs.
4. Enterprise Procurement Checklist
When sourcing the CXMT CXMR4E464R8AS-CB1C in bulk, procurement managers should evaluate the following key factors:
Channel Authenticity & TraceabilityEnsure vendors provide original CXMT factory packaging, clear batch codes, and Certificate of Conformity (CoC) to prevent counterfeit components in the supply chain.
Warranty & RMA PolicyConfirm the warranty period (typically 3-year limited or lifetime limited warranty depending on distributor agreements) and advanced replacement (RMA) terms for critical server uptime.
Multi-Channel Populating StrategyFor optimal performance, always populate memory modules in balanced configurations per CPU socket (e.g., 8 or 12 channels per CPU). Avoid mixing different memory clock speeds or ranks in the same memory channel.
Supply Chain DiversityAdding CXMT memory into your Enterprise Bill of Materials (BOM) provides strategic supply chain resilience, reducing reliance on single-region DRAM suppliers while maintaining JEDEC standard performance.
5. Frequently Asked Questions (FAQ)
Q1: Can the CXMR4E464R8AS-CB1C be used in desktop PCs or gaming motherboards?
A: No. This is a Registered RDIMM with ECC designed specifically for servers and workstations. Standard consumer motherboards (X670, Z790, etc.) require Unbuffered UDIMMs and will not boot with RDIMMs.
Q2: Is CXMT DDR5 memory fully compliant with JEDEC specifications?
A: Yes, CXMT DDR5 server memory modules strictly adhere to JEDEC industry standards, ensuring drop-in replacement compatibility for major x86 server architectures.
Conclusion & Request for Quote (RFQ)
The CXMT CXMR4E464R8AS-CB1C 64GB DDR5 5600MHz RDIMM delivers enterprise-grade reliability, high memory bandwidth, and seamless integration for modern enterprise infrastructure.
For wholesale quotes, volume pricing, lead times, and compatibility validation testing, contact us.
