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Green printed circuit board with black memory chips and gold edge connectors

Hynix

Hynix HMA81GR7CJR8N-VK 8GB DDR4-2666 ECC REG DIMM accessory

SKU CH-SV1C-AJZDY

8 GB DDR4-2666 ECC registered DIMM for server or workstation memory upgrades

  • 8GB capacity supports demanding server workloads
  • DDR4-2666 speed delivers reliable data throughput
  • ECC registered design protects data integrity
  • New condition ensures full manufacturer specifications
  • Hynix brand provides proven memory quality

Hynix 8GB DDR4-2666 ECC REG DIMM

This Hynix module is an 8 GB DDR4-2666 ECC registered DIMM built for server and workstation platforms that require error-correcting memory. It operates at 2666 MT/s and uses registered buffering to reduce electrical load on the memory controller. The part is new and intended for qualified system configurations only.

Suited for ECC registered memory slots

This memory suits administrators upgrading or repairing servers and workstations that explicitly support DDR4 ECC registered DIMMs. It is not for desktop or laptop boards that accept only unbuffered non-ECC modules, and it will not function in consumer platforms lacking registered memory support. Buyers needing standard consumer memory should look elsewhere.

8GB capacity and DDR4-2666 speed

The single specification that decides fitment is the combination of 8 GB capacity, DDR4-2666 data rate and ECC registered organisation. Verify the motherboard or system documentation for DDR4 ECC RDIMM support at this speed before purchase. Without that confirmation the module will not operate.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 82% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the DDR4-2666 interface cap the module at 2666 MT/s in practice?

Yes, the DDR4-2666 rating sets a maximum transfer rate of 2666 MT/s under JEDEC standard timings.

What physical slot and keying does the HMA81GR7CJR8N-VK need to fit?

It requires a standard 288-pin DDR4 DIMM socket with the registered DIMM key notch; the module will not seat in UDIMM or SO-DIMM slots.

How is the Hynix ECC REG DIMM installed, and what step is often missed?

Align the notch, press firmly until both retention clips click, then verify the system BIOS recognises the registered ECC configuration.

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