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Two green 260-pin DDR4 SO-DIMM modules, black chips, no heat spreader

SK hynix

SK hynix HMAA4GS6MJR8N 64GB (2x32GB) DDR4 2666MHz CL19 laptop RAM

SKU CH-7GFD-FRZET MPN HMAA4GS6MJR8N

Dual-channel 64 GB DDR4 laptop memory kit with two 32 GB SO-DIMM modules running at 2666 MHz CL19 and 1.20 V

  • Capacity32GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 64 GB total capacity for demanding multitasking and heavy workloads
  • Dual-channel kit with two matched 32 GB modules
  • DDR4 2666 MHz speed rated at PC4-21300 bandwidth
  • Low 1.20 V operation reduces power draw and heat
  • CL19 latency timing for responsive system performance

Capacity and kit layout

This kit provides 64GB of DDR4 laptop memory split across two 32GB SO-DIMM modules. It targets owners of compatible notebooks who need the maximum dual-channel capacity for heavy multitasking or memory-intensive workloads.

Speed and latency headroom

The modules run at 2666MHz with CL19 timing and 1.20V operation. That bandwidth covers most productivity and gaming scenarios, though applications that scale strictly with frequency will hit a ceiling here.

Unbuffered non-ECC design

The sticks are unbuffered and lack error-correction, matching standard consumer laptop slots. No heat spreaders are included, so clearance is minimal and installation is straightforward in thin chassis.

Punti di forza

  • 64 GB total capacity for demanding multitasking and heavy workloads
  • Dual-channel kit with two matched 32 GB modules
  • DDR4 2666 MHz speed rated at PC4-21300 bandwidth
  • Low 1.20 V operation reduces power draw and heat
  • CL19 latency timing for responsive system performance

Caratteristiche tecniche

BrandSK hynix
ModelHMAA4GS6MJR8N
Capacity32GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseHigh Performance or Gaming Memory

Domande su questo articolo

Will the 260-pin DDR4 SO-DIMM modules fit a laptop that currently uses DDR4 2666 memory?

Yes, the kit uses the standard 260-pin DDR4 SO-DIMM form factor and runs at 2666 MHz CL19 1.20V, so it matches laptops designed for DDR4 2666 SO-DIMMs.

How can I verify the dual-channel kit is running at 2666 MHz CL19 after installation?

Open Task Manager or CPU-Z; the memory tab should show 64 GB total, 2666 MHz speed and CL19 timings for both 32 GB modules.

Does the package contain only the two 32 GB modules or are any tools or adapters included?

The box contains the two 32 GB DDR4 2666 SO-DIMM modules only; no tools, adapters or heat spreaders are supplied.

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