48GB DDR5-5600 UDIMM 2RX8 1.1V
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The SK hynix HMCGY8MGBUB213N BA is a high-density 48GB DDR5-5600 unbuffered DIMM (UDIMM) designed for high-performance workstations, entry-level edge servers, and mainstream client platforms. Built using high-efficiency 24Gb non-binary DRAM dies, it delivers transfer speeds up to PC5-44800 at an energy-efficient 1.1V native operating voltage. This module provides a seamless capacity expansion path to 96GB or 192GB memory footprints without the overhead of registered enterprise modules.
The HMCGY8MGBUB213N BA is built on DDR5 SDRAM architecture utilizing a dual-rank 2Rx8 configuration populated with sixteen 24Gb monolithic DRAM components. As an unbuffered module (UDIMM), it connects the memory controller directly to the DRAM dies without an RCD (Registering Clock Driver) or data buffers. DDR5 architecture splits the standard 64-bit channel into two independent 32-bit subchannels, boosting bus concurrency and throughput efficiency. Power regulation is handled directly on-module via an integrated Power Management IC (PMIC) and an integrated SPD Hub with thermal sensing, eliminating the legacy motherboard-regulated power plane.
In the SK hynix part number nomenclature, 'HMC' designates DDR5 client/unbuffered module class, 'G' denotes 48GB capacity derived from 24Gb non-binary density, 'Y8' identifies dual-rank x8 organization, 'MGB' signifies die generation and package type, 'U' specifies the unbuffered non-ECC form factor, and 'B2' represents the standard DDR5-5600B timing bin (CL46). The module features standard DDR5 on-die ECC to mitigate internal single-bit cell flips, but lacks the additional bus-level ECC sideband chips required for full enterprise parity reporting to the host CPU.
Always verify against your server's qualified vendor list (QVL).
No. The HMCGY8MGBUB213N BA is a standard non-ECC unbuffered DIMM (UDIMM). While DDR5 includes native on-die ECC within each individual DRAM chip to address internal cell integrity, it does not possess the extra DRAM chips or bus lines needed for traditional motherboard/CPU-level sideband ECC data correction.
This module uses modern non-binary 24Gb DRAM dies rather than conventional 16Gb or 32Gb silicon. In a 2Rx8 topology using 16 dies, 24Gb chips yield an aggregate capacity of exactly 48GB, enabling optimal density scaling (e.g., 96GB across two slots, 192GB across four slots).
Yes. Non-binary memory modules require platform firmware support. Motherboards based on Intel 600/700 series and AMD AM5 chipsets require BIOS versions featuring updated memory reference code (MRC/AGESA) to correctly detect and train 24Gb-based 48GB modules.
The HMCGY8MGBUB213N BA is a TAA-compliant enterprise server memory module (48GB DDR5-5600 UDIMM 2RX8 1.1V). Sold as NEW 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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