96GB DDR5-6400 RDIMM 2RX4 1.1V
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The Samsung M321RYGA0PB2-CCP is an enterprise-grade 96GB DDR5-6400 (PC5-51200) registered dual-rank x4 memory module engineered for mission-critical datacenter and HPC workloads. Utilizing non-binary 24Gb DRAM dies, this RDIMM delivers an optimal capacity-to-core balance and ultra-high memory bandwidth of 51.2 GB/s at 1.1V. It is purpose-built to accelerate memory-intensive virtualization, in-memory databases, and AI training workloads on modern server architectures.
The M321RYGA0PB2-CCP is built on Samsung's non-binary 24Gb DRAM technology (A-die), organized in a dual-rank x4 (2Rx4) configuration. The adoption of 24Gb monolithic dies enables intermediate 96GB capacity points without requiring complex 3DS TSV silicon stacking, maximizing signal integrity and lowering thermal dissipation. In accordance with JEDEC DDR5 specifications, the module features two independent 32-bit subchannels (each with 8 bits of side-band ECC overhead for a total of 40 bits per subchannel), which effectively doubles burst length and concurrency compared to DDR4. Buffering is managed by a high-speed JEDEC-standard Register Clock Driver (RCD), stabilizing command and address bus timing across high-frequency 6400 MT/s operations.
Power regulation is transitioned from the server motherboard directly to the DIMM via an onboard Power Management IC (PMIC), which ingests a 12V supply and steps it down to 1.1V (VDD/VDDQ) and 1.8V (VPP) for precise localized voltage control and enhanced efficiency. Telemetry and configuration are managed via an integrated SPD Hub with embedded thermal sensors over the I3C/I2C bus. Samsung's part number decoder reveals: 'M321' designates a Samsung standard DDR5 RDIMM form factor; 'R' specifies DDR5 SDRAM; 'Y' represents the 96GB capacity point; 'G' denotes a 2Rx4 organization; 'A' signifies the first die generation (A-die); and the suffix 'CCP' indicates a DDR5-6400 speed bin with standard JEDEC CAS latency timings (CL52).
Always verify against your server's qualified vendor list (QVL).
The M321RYGA0PB2-CCP uses monolithic 24Gb non-binary DRAM dies instead of conventional 16Gb or 32Gb chips. Arranged in a 2Rx4 topology, 32 of these 24Gb dies yield 96GB of raw data capacity (plus dedicated ECC chips), providing cost and thermal advantages over 3DS stacked packages.
Yes. The module's SPD contains backward-compatible JEDEC profiles, allowing it to automatically negotiate and operate at lower speeds such as 5600 MT/s or 4800 MT/s when installed in platforms that do not support 6400 MT/s.
Unlike DDR4, which relies on motherboard voltage regulation, DDR5 RDIMMs include an onboard Power Management IC (PMIC). The PMIC regulates the 12V input down to 1.1V and 1.8V locally, reducing voltage drops, mitigating noise, and enhancing power efficiency at high 6400 MT/s signaling rates.
The M321RYGA0PB2-CCP 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 0 units of this SKU today, with 250 more incoming.
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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