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Green rectangular circuit board with black memory chips and gold edge connectors

SK hynix

SK hynix HMA41GS6AFR8N-TF 8GB DDR4 2133 laptop RAM

SKU CH-DDRT-GSRE5

8 GB DDR4 laptop module running at 2133 MHz with CL15 latency and 1.20 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • 8GB capacity expands notebook memory for multitasking
  • DDR4 2133 speed delivers PC4-17000 bandwidth
  • CL15 latency at 1.20V keeps power draw low
  • Unbuffered non-ECC design suits standard laptop slots
  • 260-pin SO-DIMM form factor fits DDR4 notebook sockets

8GB DDR4 SO-DIMM for notebooks

This module adds 8 GB of DDR4 memory to a laptop using a 260-pin SO-DIMM slot. It runs at 2133 MHz with a CAS latency of 15 and operates at the standard 1.20 V. The unbuffered, non-ECC design suits mainstream notebook upgrades and replacements.

Straightforward slot installation

Align the notch with the key in the SO-DIMM socket, press the module in until the side clips click, and the firmware will detect the new capacity on the next boot. Problems usually come from mixing speeds or capacities across channels, or from a BIOS that has not been updated to recognise the full 8 GB density.

Steady throughput under load

Rated at PC4 17000 bandwidth, the stick sustains its 2133 MT/s data rate during extended workloads such as large compiles or virtual machines. The 1.20 V supply keeps thermal output modest, so throttling is unlikely in typical laptop cooling envelopes. Single-module configuration means dual-channel bandwidth is not available unless a matching second stick is added.

How it compares

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

Price $41.99
Cheaper than about 64% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $5.25 per GB
Cheaper than about 60% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameHynix
Model nameHMA41GS6AFR8N-TF
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Power
Rated voltage1.2 V

Questions about this item

How can I verify the module is running at 2133 MHz with CL15 latency after installation?

Open Task Manager or CPU-Z and confirm the memory speed reads 2133 MHz and the CAS latency shows 15 cycles.

What comes in the retail package and do I need any extra parts for a laptop upgrade?

The box contains one 8 GB 260-pin DDR4 SO-DIMM; no additional cables, brackets or tools are required for a standard notebook slot.

Should I choose the single 8 GB stick or a dual-channel kit for my notebook?

This listing is a single 8 GB module; if your laptop has two slots and supports dual-channel, buying a second identical stick will enable that mode.

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