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Green rectangular DDR4 RDIMM with black chips and gold contacts

SK hynix

SK hynix HMA84GR7AFR4N-VK 32GB DDR4 2666 ECC Registered RDIMM memory upgrade

SKU CH-1N9D-DTS08

32GB DDR4 2666 ECC Registered RDIMM module for compatible Dell and HP servers

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 32 GB capacity lets servers handle larger workloads
  • DDR4 2666 speed delivers 21300 MB/s bandwidth
  • ECC registered design protects data integrity in critical applications
  • 2Rx4 organisation with CL19 latency balances density and response time
  • Single 288-pin module fits validated Dell, HP, Intel, NEC and Supermicro platforms

HP and Dell server memory upgrade

This 32GB DDR4 2666 registered DIMM is built for HP and Dell PowerEdge servers and workstations that require ECC registered memory. It fits systems such as the PowerEdge R630, R730, R730XD, T630, R430, R530, Precision T5810 and HP Z4 G4 workstations. Buyers who need unbuffered UDIMM or load-reduced LRDIMM modules cannot use this part.

Capacity and registered headroom

The single module delivers 32GB at PC4 21300 speed with CL19 latency and 1.2V operation. Its 2Rx4 organisation and registered buffer let the memory controller address larger total capacities than unbuffered DIMMs allow. Workloads that exceed the module count supported by the platform or that demand unbuffered latency will run out of headroom here.

ECC registered RDIMM constraint

The decisive specification is the ECC registered RDIMM form factor, which only works in platforms designed for registered memory. Mixing this module with UDIMM or LRDIMM types is not supported by the listed systems.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $147.99
Cheaper than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $4.62 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameSK hynix inc.
Product lineServer Memory
Model nameHMA84GR7AFR4N-VK & MEM-DR432L-HL01-ER26
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP 815100-B21

Questions about this item

Can I add this 32GB DDR4 2666 ECC Registered RDIMM alongside existing RDIMMs in my PowerEdge R730?

Yes, this module uses DDR4 2666 ECC Registered RDIMM technology. It must only be mixed with other identical RDIMM modules in the same system.

How do I verify the CL19 1.2V 2Rx4 module is running at DDR4 2666 after installation?

Check the system BIOS or UEFI memory information screen; it will report the module as 32GB DDR4 2666 (PC4 21300) CL19 1.2V 2Rx4 Registered ECC.

What is included with the single HMA84GR7AFR4N-VK module and what else is needed?

One 32GB 288-pin DDR4 RDIMM is supplied. Additional identical modules are required to populate further slots or enable multi-channel operation.

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