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Two green SO-DIMM sticks with black chips and gold contacts

SK hynix

SK hynix HMA81GS6DJR8N-XN 16GB (2x8GB) DDR4-3200 CL22 SO-DIMM laptop RAM

SKU CH-QZ2M-F5ZPS

16 GB DDR4 SO-DIMM kit running at 3200 MHz with CL22 latency and 1.20 V operation

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM
  • 16 GB kit (2 × 8 GB) for multitasking headroom
  • DDR4-3200 speed for responsive application loading
  • CL22 latency balanced for everyday workloads
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM form factor fits standard laptop slots

16GB DDR4 SO-DIMM kit

This SK hynix kit supplies 16GB of laptop memory across two 8GB modules. The 260-pin DDR4 SO-DIMM form factor fits standard notebook slots. Rated at 3200 MT/s with CL22 latency, it runs at the standard 1.20V. The unbuffered, non-ECC design targets everyday mobile computing.

Suits mainstream notebook upgrades

The dual-channel pair benefits users who want matched capacity for integrated graphics or multitasking headroom. Buyers whose systems only accept slower DDR4 speeds will still see the modules downclock automatically. Those needing ECC error correction or registered buffering for workstation-class stability should look elsewhere.

Fits standard 260-pin slots

Installation requires an available SO-DIMM socket and a platform that supports DDR4 memory. The low 1.20V operating voltage reduces power draw compared to older generations. Using both modules together leaves no empty slots in a typical two-slot laptop, maximising the memory controller's dual-channel bandwidth.

How it compares

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

Price $97.99
Pricier than about 60% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $6.12 per GB
Typical for this category: the median of 1,886 items is $5.94 per GB.

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
Product lineSODIMM Laptop Memory
Model nameHMA81GS6DJR8N-XN
Total capacity16 GB (2 × 8 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V

Questions about this item

Will the 260-pin DDR4 SO-DIMM fit the memory slots on my laptop motherboard?

The modules use the standard 260-pin DDR4 SO-DIMM form factor, so they install in any laptop slot built for DDR4 memory.

Can I run these CL22 modules together with slower DDR4 sticks already in my system?

Yes, the memory controller will down-clock all modules to the speed of the slowest stick, letting the 3200 MHz kit run alongside older DDR4.

How do I confirm the kit is operating at 3200 MHz with CL22 timings after installation?

Open Task Manager or a tool like CPU-Z; the memory tab will show 3200 MHz and CAS latency 22 when the kit is running as specified.

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