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Green 288-pin DDR5 RDIMM with black chips, 32GB registered ECC module

SK hynix

SK hynix HMCG88AEBRA107N 32GB DDR5 4800 ECC Reg 2Rx8 server RAM

SKU CH-6KRE-Q5881

32 GB DDR5 registered ECC server memory running at 4800 MT/s in a dual-rank 288-pin module

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5-4800)
  • Buffer typeRegistered
  • Memory rank2Rx8
  • Product type288-Pin DDR5 SDRAM
  • 32 GB capacity supports large server workloads
  • DDR5 4800 speed enables high data throughput
  • ECC registered design corrects errors automatically
  • Dual rank 2Rx8 organisation increases memory density
  • 288-pin RDIMM form factor fits standard server slots

Server memory module

The SK hynix HMCG88AEBRA107N is a 32GB DDR5 registered DIMM built for enterprise servers and workstations. It delivers PC5-4800 speed with ECC protection and a 2Rx8 dual-rank organisation across 288 pins.

Suited for ECC registered slots

This module fits systems that require registered DDR5 memory with error correction. It will not work in platforms that need unbuffered non-ECC DIMMs or that only support earlier DDR generations.

DDR5 4800 registered ECC

The single specification that decides compatibility is the DDR5 4800 registered ECC 2Rx8 288-pin interface; only motherboards designed for this exact memory type can use the module.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $865.99
Pricier than about 79% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $27.06 per GB
Pricier than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSK hynix
Part numberHMCG88AEBRA107N
Total capacity32 GB
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 4800 (PC5-4800)
Memory
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8

Questions about this item

Does the PC5-4800 rating mean the module runs at 4800 MT/s on any DDR5 server board?

The module is rated for DDR5 4800 (PC5-4800). The actual data rate depends on the platform's memory controller and the number of DIMMs populated per channel.

Will the 288-pin registered DIMM fit in a standard server memory slot?

Yes, it uses the standard 288-pin RDIMM form factor with the DDR5 key notch, designed for registered DDR5 server and workstation sockets.

What BIOS setting is often missed when installing these 2Rx8 registered modules?

Ensure the memory mode is set for registered ECC operation and that the platform supports 2Rx8 density; some systems default to unbuffered or single-rank timings.

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