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Green 260-pin DDR4 SO-DIMM laptop memory module with black chips

SK hynix

SK hynix HMA82GS6CJR8N-VK 16GB 2Rx8 DDR4 2666 CL19 laptop RAM

SKU CH-9WD1-W9GM9

16 GB DDR4 2666 CL19 SO-DIMM with 2Rx8 organisation for laptop memory upgrades

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM
  • 16 GB capacity for demanding multitasking
  • DDR4 2666 speed for responsive performance
  • CL19 latency for stable operation
  • 20 V low voltage for efficient power use
  • 260-pin SO-DIMM fits standard laptop slots

16 GB DDR4 SO-DIMM for notebooks

This 16 GB DDR4 SO-DIMM uses a 260-pin layout and runs at 2666 MT/s with CL19 latency. It operates at 1.20 V and is unbuffered, making it suitable for standard laptop memory slots. The module is organised as 2Rx8 and carries SK hynix branding.

Dual-rank layout and PC4-21300 rating

The 2Rx8 organisation provides two ranks per module, which can improve memory-controller efficiency on platforms that benefit from rank interleaving. The PC4-21300 designation confirms the 2666 MT/s data rate, so the module delivers that throughput without manual configuration.

16 GB capacity ceiling

A single 16 GB module fills one SO-DIMM slot and suits workloads such as multitasking, virtual machines and large datasets that exceed 8 GB. Systems limited to one slot or a 16 GB maximum cannot expand further, and boards requiring ECC will not use this non-ECC module.

How it compares

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

Price $84.99
Pricier than about 56% 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 $5.31 per GB
Cheaper than about 59% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
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 2Rx8 rank configuration require any future maintenance or replacement?

The 2Rx8 dual-rank layout is a fixed hardware characteristic; no maintenance or replacement is needed for the rank structure itself.

What limit appears first when the module runs continuously at DDR4 2666 CL19?

Sustained operation stays within the 1.20 V specification, so the first limit encountered is the rated speed and latency envelope of DDR4 2666 CL19.

How much heat and power does the 16 GB stick produce during all-day use?

At 1.20 V the module draws only the power required for DDR4 2666 operation, generating minimal heat that a standard laptop cooling system handles without extra measures.

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