96GB DDR5-6400 RDIMM 2RX4 1.1V
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The Samsung M321RYGA0PB2-CCPWC is an enterprise-grade 96GB DDR5-6400 registered dual-rank DIMM engineered for next-generation data center workloads. Built with monolithic 24Gb DRAM dies in a 2Rx4 topology, it delivers high-density capacity and up to 51.2 GB/s of bandwidth per channel at 1.1V. This module offers optimal cost-per-gigabyte and performance scaling for compute-intensive virtualization, AI inference, and in-memory database applications.
The M321RYGA0PB2-CCPWC adheres to the JEDEC DDR5 RDIMM architecture, featuring two independent 40-bit subchannels (32 data bits plus 8 sideband ECC bits each) to optimize bus efficiency and reduce memory access latency. It utilizes non-binary 24Gb monolithic DRAM silicon arranged in a 2Rx4 (dual-rank, 4-bit wide) layout, avoiding the cost and thermal overhead of 3D TSV (Through-Silicon Via) stacking. Command and address signals are buffered by an onboard Registering Clock Driver (RCD), stabilizing bus integrity under heavy channel loading.
Power regulation is transitioned from the motherboard directly onto the module via an integrated Power Management IC (PMIC), managing the 1.1V VDD/VDDQ and 1.8V VPP rails. System management and environmental telemetry are handled by a combined SPD Hub with thermal sensors. Reliability is reinforced via a dual-layer error mitigation scheme incorporating internal on-die ECC alongside JEDEC sideband ECC. In the Samsung part numbering nomenclature, 'M321' indicates an enterprise DDR5 RDIMM, 'R' identifies DDR5 generation, 'Y' specifies a 288-pin standard height form factor, 'G' denotes the 24Gb monolithic density, 'A0' indicates x4 organization and initial die baseline, 'PB2' reflects B-die dual-rank construction, and 'CCP' designates the DDR5-6400 speed binning (CL52).
Always verify against your server's qualified vendor list (QVL).
The 96GB capacity is enabled by non-binary 24Gb DRAM dies. This provides an intermediate density between 64GB and 128GB modules, delivering 50% more capacity than 64GB modules without requiring expensive 3DS TSV multi-die packaging.
Yes. DDR5 JEDEC specifications support backwards compatibility. The module will automatically down-clock to the maximum data rate dictated by the server's CPU memory controller and slot population rules.
The Power Management IC (PMIC) steps down the 12V server power rail directly on the module to 1.1V (VDD/VDDQ) and 1.8V (VPP), reducing voltage drop, minimizing noise, and improving power efficiency across dense multi-channel server configurations.
The M321RYGA0PB2-CCPWC is a enterprise server memory module (96GB DDR5-6400 RDIMM 2RX4 1.1V). Sold as factory-sealed OEM stock with a 1-year warranty and same-day US shipping when in stock. We stock 100 units of this SKU today.
Compatible with enterprise servers requiring this exact configuration. Bulk orders welcome — quotes typically returned within one business hour. Payment terms: NET-30 for approved accounts, or instant on-chain payment via USDC/ETH on Base or Ethereum for autonomous AI agents and Web3 buyers.
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