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Green 288-pin DDR4 RDIMM module, black chips, no heat spreader

SK hynix

SK hynix HMA41GR7AFR8N-UH 8GB 2Rx8 DDR4 PC4-19200 RDIMM server RAM

SKU CH-KPCN-B4SBN

8GB DDR4 RDIMM runs at 2400 MHz with ECC and dual-rank 2Rx8 organisation

  • Total capacity16 GB
  • Rated speed2400
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Rated voltage1.2 V
  • ECC supportChipkill
  • ECC protection prevents data corruption with registered RDIMM design
  • 2400 MHz frequency delivers responsive server performance at PC4-19200 speed
  • Dual-rank 2Rx8 organisation increases memory density for virtualised workloads
  • 2 V operation reduces power draw in dense rack environments
  • 288-pin DDR4 form factor fits standard server memory slots

8GB DDR4 RDIMM for Servers

This module provides 8GB of DDR4 memory at 2400MHz with ECC error correction and registered buffering. It uses a 2Rx8 dual-rank organisation and runs at the standard 1.2V voltage. The 288-pin DIMM is designed for server motherboards that require registered memory.

Suited for ECC RDIMM Slots Only

It fits systems that specifically support DDR4 registered DIMMs with ECC Chipkill capability. Builders using consumer desktop boards, laptops, or platforms needing unbuffered UDIMMs cannot use this module. Buyers who need higher capacities per slot or different rank configurations should look at other modules.

Simple DIMM Installation

Align the notch with the motherboard key and press firmly until the retention clips engage. The registered buffer adds slight electrical load, so the memory controller must support RDIMM topology. The most common issue is mixing registered and unbuffered modules, which prevents the system from posting.

How it compares

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

Price $91.99
Cheaper than about 72% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $5.75 per GB
Cheaper than about 66% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameHynix
Model nameHMA82GU7CJR8N-VK
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speed2400
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
ECC supportChipkill
Buffer typeUnbuffered
Memory rank2Rx8
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

Does my motherboard need 288-pin DDR4 RDIMM slots to use this module?

Yes, this is a 288-pin DDR4 RDIMM that requires a server or workstation board with registered DIMM slots and ECC support.

Will this 2400MHz RDIMM run with slower DDR4 modules I already have installed?

The module will down-clock to match the slowest installed kit, but mixing registered and unbuffered DIMMs is not supported on the same platform.

How can I confirm the stick is running at 2400MHz with ECC active after installation?

Check the BIOS memory information screen or use a tool such as dmidecode to verify 2400 MT/s, CL17 timing and ECC Chipkill status.

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