Samsung 96GB DDR5 RDIMM 6400 Server Memory

Brand: Samsung | Category: Memory (RAM)

SKU: SAMS-MDRRWM4QKBC2-4G000 | Part #: MDRRWM4QKBC2-4G000 | MPN: MDRRWM4QKBC2-4G000

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Server memory selection in modern data centres hinges on a single decision point before speed or capacity matter: what rank configuration and ECC architecture will your platform support? The Samsung 96GB DDR5 RDIMM 6400 answers that question with registered dual-rank architecture and on-die ECC, making it the right choice for infrastructure teams building on Intel Xeon Scalable 5th Generation (Granite Rapids) or AMD EPYC 9005 (Turin) systems. This part number, MDRRWM4QKBC2-4G000, represents a specific implementation: not a generic DDR5 module, but a registered DIMM engineered for the exact electrical and thermal characteristics of enterprise-grade processors released in 2024 and 2025. Samsung designed this module with the assumption that it will run in systems where reliability, address stability, and predictable performance matter more than raw speed benchmarks.

The RDIMM form factor itself carries technical weight that many procurement teams underestimate. Unlike UDIMMs, which connect address and command signals directly to the processor, registered DIMMs isolate those signals through a register buffer, reducing electrical load on the memory controller and allowing higher population density per server. This matters when a storage architect is designing a four-socket Xeon system or a two-socket EPYC server: an RDIMM platform can safely support 16 or 18 memory slots without signal integrity collapse, whereas UDIMMs cap out at four to eight slots before command/address skew becomes unmanageable. The MDRRWM4QKBC2-4G000 leverages this advantage fully. Its dual-rank (2Rx4) configuration means each 96GB module contains four die per channel, organized as 2 ranks with x4 bit width. That organization allows the memory controller to interleave bank accesses, improving throughput under sustained load. Samsung paired this with on-die ECC, which detects and corrects single-bit errors in real time—critical in environments where an uncorrected bit flip in a database transaction or AI model weight could cascade into silent data corruption.

Speed is 6400 MT/s (DDR5-6400), and that number sits at the intersection of platform specification and thermal reality. Both Intel Xeon Scalable 5th Gen and AMD EPYC 9005 officially validate DDR5-6400 as a supported speed grade, meaning Samsung's validation and your processor vendor's validation align. The module operates at 1.1V, a modest reduction from earlier DDR5 generations, which translates directly to lower power consumption per gigabyte and reduced heat load in dense server builds. In a 4U appliance with 16 DIMMs, that voltage efficiency compounds across the memory subsystem. The 288-pin connector is standard for DDR5 RDIMMs, and the module width of 288 pins accommodates both current and next-generation server form factors without mechanical compatibility surprises. Operating temperature range of 0°C to 85°C reflects typical commercial and industrial server environments; this is not a consumer-grade module that derates at 45°C ambient. A sysadmin or infrastructure team deploying this module into a well-designed data centre cooling strategy should see thermal headroom, not thermal anxiety.

Procurement teams—particularly those tasked with memory refresh cycles or new build-outs—should anchor on part number MDRRWM4QKBC2-4G000 when requesting quotes or comparing alternatives. Samsung's limited-lifetime support commitment applies to this module, meaning defects detected within a reasonable operational window are covered under warranty. In practice, this translates to Samsung replacing a module that fails within the first three to five years of deployment, a guarantee that matters when your data centre runs 24/7 and a failed DIMM can trigger hours of downtime. The combination of registered architecture, on-die ECC, and Samsung's manufacturing reputation makes this module the standard choice for mission-critical workloads: financial services platforms running real-time settlement engines, hyperscaler AI infrastructure teams training large models, and enterprise data warehouse teams running OLAP queries against petabyte-scale datasets.

Omnixon Global sources the Samsung 96GB DDR5 RDIMM 6400 directly from Samsung regional distribution, holding stock across our Dubai hub and partner locations throughout the GCC. If you are architecting memory infrastructure for new Granite Rapids or Turin systems, or if your current procurement channel has lead-time constraints, contact us for an RFQ on the MDRRWM4QKBC2-4G000 and related memory configurations. We work with data centre operators, system integrators, and enterprise procurement teams across the region to ensure memory availability aligns with your build schedules and performance requirements.

Platform Compatibility & Technical Specifications

• Registered DIMM (RDIMM) architecture with register buffer, supporting up to 16–18 memory slots per processor socket
• Dual-rank (2Rx4) x4 organization with on-die ECC for single-bit error correction and detection
• DDR5-6400 (6400 MT/s) speed validated for Intel Xeon Scalable 5th Gen and AMD EPYC 9005 platforms
• 1.1V operating voltage with 288-pin connector and standard RDIMM form factor
• Operating temperature range 0°C to 85°C; designed for commercial and industrial server environments
• Samsung limited-lifetime warranty covering defects and field failures
• Part number MDRRWM4QKBC2-4G000 for exact sourcing and compatibility verification