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Green circuit board with gold edge connector and black memory chips

SK hynix

SK hynix HMCG78MEBSA095N 16GB DDR5 SO-DIMM memory accessory

SKU CH-Y79Q-GHMHR MPN HMCG78MEBSA095N

16 GB DDR5 laptop memory in a 262-pin SO-DIMM BA OEM module running at 4800 MHz with CL40 latency and 1.1 V operation

  • 16 GB DDR5 capacity upgrades laptop performance
  • 4800 MHz speed handles demanding workloads smoothly
  • 1 V operation reduces power consumption
  • 262-pin SO-DIMM fits standard laptop slots
  • CL40 latency supports responsive multitasking

16 GB DDR5 SO-DIMM for laptops

This module delivers 16 GB of DDR5 memory in a 262-pin SO-DIMM form factor. It runs at 4800 MHz with a PC5-38400 bus rating and CL40 latency. The unbuffered, non-ECC design operates at 1.1 V and is built for laptop memory slots.

Suits owners upgrading a DDR5 laptop slot

Buyers needing a single 16 GB stick to fill an empty SO-DIMM socket or replace a failed module will find the correct pin count, voltage and speed here. Systems that require ECC, registered DIMMs or a different voltage should look at other memory types.

Verify your laptop accepts DDR5 SO-DIMMs

Check the manufacturer’s specification for 262-pin DDR5 support, 1.1 V operation and unbuffered non-ECC requirements. Confirm the slot can run at 4800 MHz or will down-clock automatically. Match the part number HMCG78MEBSA095N against your service manual before ordering.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $155.99
Pricier than about 90% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

My laptop has a single 262-pin SO-DIMM slot — will this module fit without any other hardware changes?

Yes, the module uses the standard 262-pin SO-DIMM form factor and 1.1 V DDR5 specification, so it installs directly into any compatible laptop slot without extra parts.

If I keep an existing DDR5 module in the second slot, will the system run both at the same speed?

The board will operate both modules at the lowest common speed; this stick is rated for 4800 MHz, so it will match a slower module automatically.

How can I confirm the module is running at its rated 4800 MHz and CL40 timings after installation?

Open Task Manager or a tool like CPU-Z and check the memory tab — it should show 4800 MT/s and CAS latency 40 when the system is under load.

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