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Green circuit board with black memory chips and gold edge connectors

A-Tech

A-Tech 8GB DDR4 2133MHz CL15 260-Pin SODIMM 1Rx8 for Hynix HMA81GS6AFR8N-TF HMA81GS6MFR8N-TF Laptop RAM

SKU CH-YDJQ-ZJB57

8GB DDR4 2133MHz CL15 260-pin SODIMM laptop memory upgrade compatible with Hynix HMA81GS6AFR8N-TF and HMA81GS6MFR8N-TF modules

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 8GB DDR4 boosts multitasking speed with 2133MHz CL15 timing
  • 260-pin SODIMM fits standard laptop slots for easy upgrade
  • 2V DDR4 voltage reduces power draw versus older memory
  • Non-ECC unbuffered design matches Hynix HMA81GS6AFR8N-TF and HMA81GS6MFR8N-TF specs
  • Lifetime warranty plus US-based tech support backs every module

8GB DDR4 2133MHz SODIMM for Laptop Upgrades

This 8GB DDR4 2133MHz CL15 module is a direct replacement for Hynix HMA81GS6AFR8N-TF and HMA81GS6MFR8N-TF parts. It fits 260-pin SO-DIMM slots in laptops, notebooks, and all-in-one systems. Buyers who need ECC error correction or registered buffering cannot use this unbuffered non-ECC stick.

Low-voltage operation at 1.20V

Running at the standard DDR4 voltage of 1.20V, the module draws minimal power and produces little heat inside a compact chassis. Passive cooling from the laptop's existing airflow is sufficient; no active fan or heatsink is required on the memory itself. The CL15 latency at 2133MHz delivers stable throughput for everyday workloads.

Tested modules with lifetime coverage

Every stick undergoes quality-assurance testing before shipment to verify reliable operation. A-Tech backs the memory with a lifetime warranty and provides US-based technical support for installation questions. No additional software, drivers, or accessories are bundled with the module.

How it compares

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

Price $45.99
Cheaper than about 61% 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 $5.75 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 nameA-Tech
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

How do I install this 260-pin DDR4 SODIMM and what step is often missed?

Power off the laptop, remove the battery if accessible, open the memory compartment, align the notch on the module with the slot key, insert at an angle then press down until both side clips click; the step often missed is fully seating the module so both clips engage.

What maintenance or replacement will this 8GB DDR4 module need later?

No routine maintenance is required; keep the laptop vents clean to maintain airflow and prevent overheating; replace only if a memory test reports errors or you need more capacity.

What limit appears first during sustained use of this CL15 1.20V DDR4 SODIMM?

The thermal limit of the laptop chassis typically appears first; the module runs at standard 1.20V DDR4 voltage, so throttling depends on the system cooling rather than the memory itself.

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