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Two green 260-pin DDR4 SO-DIMM modules in anti-static tray

SK hynix

SK hynix HMA81GS6DJR8N-XN 16GB (2×8GB) DDR4-3200 CL22 SO-DIMM laptop RAM

SKU CH-NNFR-QAA9D

A 16 GB dual-channel DDR4-3200 SO-DIMM kit with CL22 timing and 1.20 V operation for laptop upgrades

  • 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 total capacity from two 8 GB modules
  • 3200 MT/s DDR4 speed rated at PC4-25600
  • CL22 CAS latency for standard timing operation
  • 20 V low-voltage DDR4 reduces power draw
  • 260-pin SO-DIMM form factor fits laptop slots

16 GB DDR4-3200 SO-DIMM kit

This kit provides 16 GB of DDR4 laptop memory as two 8 GB modules rated at 3200 MT/s with CL22 latency. It suits owners of compatible notebooks who need to reach 16 GB total capacity for everyday multitasking and office workloads.

Straightforward 260-pin installation

The modules use the standard 260-pin SO-DIMM form factor and operate at 1.20 V, so they fit the usual DDR4 laptop slots without extra configuration. Problems occur when a system only supports lower speeds or requires 1Rx8 organisation, which these unbuffered non-ECC sticks may not satisfy.

Verify DDR4 SO-DIMM support first

Before ordering, confirm the laptop accepts DDR4 SO-DIMM memory and can run at 3200 MT/s or will down-clock automatically. Check the maximum capacity per slot and the total limit in the manual, and ensure the board does not require registered or ECC modules.

How it compares

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

Price $106.99
Pricier than about 62% 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 $6.69 per GB
Pricier than about 58% of the 1,886 comparable items (median $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

How can I verify the kit is running at DDR4-3200 CL22 after installation?

Open Task Manager or CPU-Z and confirm each module shows 3200 MT/s and CAS latency 22 at 1.20 V.

What comes in the box and what must I source separately?

The package contains two 8 GB 260-pin DDR4 SO-DIMM modules; no tools or additional parts are included.

Which capacity option should I pick for a dual-channel laptop upgrade?

This kit provides 16 GB total as a matched pair of 8 GB modules for dual-channel operation.

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