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Green rectangular DDR4 laptop memory module with gold edge contacts and black chips

SK hynix

SK hynix HMA82GS6DJR8N-VK 16GB DDR4 2666 CL19 laptop RAM

SKU CH-317Z-MKS7H

16 GB DDR4 laptop module running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM
  • 16 GB DDR4 SO-DIMM upgrades laptop multitasking
  • 2666 MHz speed feeds data to CPU faster
  • CL19 latency keeps response tight under load
  • 2 V operation reduces power draw and heat
  • 260-pin unbuffered non-ECC fits standard laptop slots

16 GB DDR4 2666 SO-DIMM

This SK hynix module delivers 16 GB of unbuffered DDR4 memory at 2666 MT/s with CL19 latency. It uses the standard 260-pin SO-DIMM form factor and operates at 1.2 V. The stick is designed for laptop memory slots that accept PC4-21300 modules.

Who this suits and who should look elsewhere

Ideal for upgrading a notebook or compatible Mac Mini and iMac models that take non-ECC DDR4 SO-DIMMs. The single 16 GB rank works in two-slot systems aiming for 32 GB total capacity. Not for platforms that require ECC or registered DIMMs, nor for boards limited to lower-density 8 GB modules.

Deciding specification: 260-pin DDR4 SO-DIMM

The 260-pin DDR4 SO-DIMM interface running at 2666 MT/s determines whether the module fits and runs at rated speed. Verify the host device accepts PC4-21300 non-ECC memory before purchase.

How it compares

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

Price $96.99
Pricier than about 60% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $6.06 per GB
Typical for this category: the median of 1,886 items is $5.94 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHynix
Product lineSODIMM Laptop Memory
Model nameHMA82GS6DJR8N-VK
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V

Questions about this item

Will the 16GB DDR4 SODIMM module need any firmware updates or component replacements during its service life?

No, the unbuffered non-ECC module has no firmware and no user-serviceable parts; it runs at 1.20V CL19 for its entire lifespan.

What thermal or electrical limit appears first when the 260-pin stick runs continuously at DDR4 2666?

The JEDEC 1.20V operating voltage and CL19 timing define the thermal envelope; sustained loads stay within that spec without throttling.

How much heat and power does the 16GB 2RX8 module produce during all-day operation?

At 1.20V the stick draws roughly 2-3W and stays cool enough for passive laptop cooling, with no audible noise from the memory itself.

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