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

SK hynix

SK hynix HMA81GS6AFR8N-UH Non ECC PC4-19200 1.2V 8GB DDR4 2400 CL17 laptop RAM

SKU CH-TNEK-FHRKR

8 GB DDR4 laptop module running at 2400 MHz with CL17 latency and 1.2 V operation

  • CAS latencyCL18
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • Boosts multitasking with 8 GB DDR4 capacity
  • Runs at 2400 MHz for responsive performance
  • Low 1.2 V voltage reduces power draw
  • CL17 latency speeds up data access
  • 260-pin SoDIMM fits standard laptop slots

Hynix 8 GB DDR4-2400 SO-DIMM

This 8 GB laptop memory module runs at DDR4-2400 with a CAS latency of 17 and operates at 1.2 V. The 260-pin SO-DIMM form factor fits standard notebook slots and the unbuffered, non-ECC design suits consumer platforms. It is sold new as a single rank stick ready for immediate installation.

Suitable for notebook upgrades needing one 8 GB

Users who want to add a single 8 GB module to an empty slot or replace a failed stick will find the correct voltage and pin count here. Builders who need a matched pair for dual-channel operation or who require ECC error correction should look at a different product. The CL17 timing is fixed and cannot be lowered on this module.

PC4-19200 speed rating

The module carries the PC4-19200 designation confirming a 2400 MT/s data rate. This single specification determines whether the memory matches the system's supported speed grade and must agree with the laptop's memory controller capabilities.

How it compares

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

Price $40.99
Cheaper than about 64% of the 2,079 comparable items (median $70.99).

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
Model nameHMA81GS6AFR8N-UH
Memory
CAS latencyCL18
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Power
Rated voltage1.2 V

Questions about this item

How much heat does the 1.2 V DDR4 module add to a laptop running all day?

At 1.2 V the SO-DIMM draws minimal power, so it contributes very little extra heat during continuous use.

What must my laptop already have to accept this 260-pin SO-DIMM?

Your laptop needs a free DDR4 SO-DIMM slot that supports 2400 MHz unbuffered non-ECC memory.

Will this CL18 stick run stably alongside an older CL17 module in the same channel?

The system will default to the slower CL18 timing, so both modules operate together without errors.

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