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Green rectangular SO-DIMM memory module with black chips and gold edge connectors

SK hynix

SK hynix HMA851S6CJR6N 4GB DDR4 3200MHz SO-DIMM accessory

SKU CH-Y2P5-2C8P6 MPN HMA851S6CJR6N

4GB DDR4 3200MHz SO-DIMM laptop memory module with 260 pins, 1Rx16 rank, non-ECC unbuffered operation at 1.2V

  • 4GB DDR4 capacity supports everyday multitasking
  • 3200MHz speed with PC4-25600 bandwidth for responsive performance
  • 2V low-voltage operation reduces power draw
  • 260-pin SO-DIMM form factor fits compatible laptop slots
  • 1Rx16 single-rank Non-ECC design for broad compatibility

Laptop DDR4 SO-DIMM 4GB 3200MHz

This SK hynix module adds 4GB of DDR4 memory to compatible laptops. It runs at 3200MHz with a PC4-25600 bus and operates at 1.2V. The 260-pin SO-DIMM form factor fits standard laptop slots. Non-ECC unbuffered design suits mainstream mobile platforms.

Ideal for single-slot capacity upgrades

Users needing a single 4GB stick to fill an empty slot or replace a failed module will find this a direct match. Builders who require ECC error correction, registered buffering, higher capacities per stick, or desktop DIMM form factors should look elsewhere.

1Rx16 rank organisation determines compatibility

The module uses a single-rank 1Rx16 layout, which some laptop memory controllers treat differently from dual-rank or x8 parts. Verify the original part number against the listed compatibles such as L83673-005 or L34198-371 before ordering.

Highlights

  • 4GB DDR4 capacity supports everyday multitasking
  • 3200MHz speed with PC4-25600 bandwidth for responsive performance
  • 2V low-voltage operation reduces power draw
  • 260-pin SO-DIMM form factor fits compatible laptop slots
  • 1Rx16 single-rank Non-ECC design for broad compatibility

Specifications

No published specifications for this item yet.

Questions about this item

What does the 3200 MHz speed mean once this module is installed in a laptop?

The module runs at 3200 MHz if the laptop's memory controller supports that frequency; otherwise it operates at the highest supported speed.

What does the PC4-25600 designation indicate for this DDR4 SO-DIMM?

PC4-25600 is the JEDEC label for DDR4-3200; it identifies the module's rated data rate and voltage of 1.2 V.

Will this 260-pin SO-DIMM fit my laptop's memory slot?

It fits any laptop slot keyed for 260-pin DDR4 SO-DIMMs; verify your system uses DDR4 SO-DIMM memory before purchasing.

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