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Two green DDR4 SO-DIMM sticks, 260-pin, black chips

SK hynix

SK hynix HMAA4GS6AJR8N-XN 64GB (2x32GB) DDR4 3200MHz laptop RAM

SKU CH-RY61-K0XEP MPN HMAA4GS6AJR8N-XN

A 64 GB dual-channel DDR4 kit with two 32 GB SO-DIMM modules running at 3200 MHz CL22 and 1.20 V

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCNo
  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 MT/s speed rated at PC4-25600
  • CL22 latency for responsive system performance
  • 2 V operation reduces power draw and heat
  • 260-pin SO-DIMM form factor fits standard laptop slots

64GB DDR4 SO-DIMM kit

This SK hynix kit delivers 64GB of DDR4 laptop memory across two 32GB modules. It targets users upgrading compatible notebooks or workstations that accept 260-pin SO-DIMMs and need maximum capacity for multitasking or memory-intensive workloads.

Thermals noise and power

Operating at 1.2V with a CL22 latency, the unbuffered modules run at standard DDR4 voltage without active cooling. Power draw scales with the 3200MHz data rate, and the low-voltage design keeps heat output modest inside confined laptop chassis.

Upgrading from lower capacity

The kit replaces smaller or slower DDR4 SO-DIMM sets when the system supports 32GB per slot and 64GB total. The jump is worthwhile when applications exceed current memory limits or when dual-channel bandwidth at PC4-25600 removes a bottleneck.

Points forts

  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 MT/s speed rated at PC4-25600
  • CL22 latency for responsive system performance
  • 2 V operation reduces power draw and heat
  • 260-pin SO-DIMM form factor fits standard laptop slots

Caractéristiques

BrandSK hynix
SeriesSODIMM Laptop Memory
ModelHMAA4GS6AJR8N-XN
Capacity64GB (2 x 32GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered

Questions sur cet article

How do I install the 260-pin SO-DIMM modules and what step is often missed?

Align the notch on each 32 GB module with the slot key, press firmly until the side clips click, then verify the firmware reports 64 GB at 3200 MHz.

What maintenance or replacement will this DDR4 kit need later?

No routine maintenance is required; replace only if a module fails or the system needs more than 64 GB total capacity.

What limit appears first under sustained load with these CL22 1.20 V modules?

The CAS latency of 22 cycles sets the response floor before bandwidth or thermal limits become noticeable.

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