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

SK hynix

SK hynix HMA81GS6DJR8N-VK_UA 8GB DDR4 SO-DIMM 2666MHz CL19 1.2V accessory

SKU CH-K0DV-D4V3C MPN HMA81GS6DJR8N-VK_UA

Adds 8 GB of DDR4 laptop memory at 2666 MHz with CL19 latency and 1.2 V operation

  • 8 GB capacity expands laptop memory for smoother multitasking
  • DDR4 SO-DIMM design fits standard 260-pin laptop slots
  • 2666 MHz speed delivers responsive performance for everyday tasks
  • CL19 latency and 1.2 V operation balance speed with efficiency
  • Non-ECC 1Rx8 module installs easily without extra configuration

What this module is

This is an 8GB DDR4 SO-DIMM laptop memory module rated at 2666MHz with CL19 latency. It runs at 1.2V and uses a 260-pin non-ECC design. The single-rank 1Rx8 layout suits mainstream notebook upgrades.

Practical limits of DDR4 SO-DIMM

The 2666MHz speed and CL19 timing define the data rate your system can sustain. Non-ECC operation means no error correction for critical workloads. The 1.2V standard voltage matches typical laptop power envelopes.

Check your laptop before ordering

Verify the original part number matches HMA81GS6DJR8N-VK_UA or PC4-2666V-SA2-11 exactly. Confirm your notebook accepts 260-pin DDR4 SO-DIMM modules. Ensure the memory slot supports 1Rx8 rank configuration.

How it compares

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

Price $43.99
Pricier than about 80% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 8GB 1Rx8 DDR4 SO-DIMM or a different capacity?

This module provides 8GB in a single 1Rx8 rank at 2666MHz CL19. It suits laptops with one free SO-DIMM slot; add a second identical stick for dual-channel bandwidth.

What does the 2666MHz speed deliver in my laptop?

The 2666MHz clock yields PC4-21300 bandwidth. Actual throughput depends on the CPU memory controller and whether the system runs single- or dual-channel.

Does the 260-pin SO-DIMM interface limit performance?

The 260-pin DDR4 SO-DIMM form factor caps the module at the JEDEC 2666MHz standard; faster DDR4 speeds require a different platform.

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