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Four green DDR5 laptop memory modules with gold contacts and black chips, no heat spreaders

A-Tech

A-Tech 128GB (4x32GB) DDR5 5200MHz CL42 1.1V 262-Pin SODIMM Laptop RAM Kit

SKU CH-3HGH-KFTH0

128 GB quad-channel DDR5 kit with four 32 GB SODIMM modules at 5200 MHz, CL42 latency and 1.1 V for laptops and all-in-ones

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Kit configurationQuad Channel Kit

Capacity 128GB (4 x 32GB)

Speed DDR5 5200 (PC5 41600)

CAS Latency CL42

  • 128 GB total capacity from four 32 GB modules
  • DDR5 5200 MHz speed rated as PC5-41600
  • Low 1.10 V DDR5 standard voltage
  • CL42 CAS latency for responsive timing
  • 262-pin SO-DIMM form factor fits compatible laptops

A-Tech 128GB DDR5 5200 SO-DIMM Kit

This A-Tech kit supplies 128 GB of DDR5 laptop memory across four 32 GB modules. The 262-pin SO-DIMMs run at 5200 MT/s with CL42 timings at the standard 1.1 V. It is built for notebooks and all-in-one PCs that accept DDR5 SO-DIMM upgrades.

Suited for DDR5 systems with four slots

Buyers whose laptops or AIOs have four DDR5 SO-DIMM slots and support 32 GB per module can reach the full 128 GB capacity. Machines with fewer slots, a lower per-slot limit, or a different memory generation cannot use this kit.

Quad-channel 32 GB module density

The decisive specification is the 32 GB density of each module in a four-piece kit. Verify that your platform supports 32 GB non-ECC unbuffered DDR5 SO-DIMMs before purchasing.

How it compares

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

Price $1,177.99
Pricier than about 93% of the 2,079 comparable items (median $70.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 94% of the 1,886 comparable items (median 16 GB).
Price per GB $9.20 per GB
Pricier than about 76% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR5 Laptop Memory RAM
Model nameA-Tech 128 GB (4 × 32 GB) DDR5-5200 Laptop RAM Kit
Total capacity128 GB (4 × 32 GB)
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forAMD & Intel Compatible

Other versions of this model

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Questions about this item

How do I install the four 32GB DDR5 262-pin SODIMM modules and what step is often missed?

Power off the laptop, remove the battery if accessible, open the memory compartment, align each module's notch with the slot key, insert at an angle then press down until the retention clips click, and verify all four are fully seated before closing the case.

What maintenance or replacement will this 128GB DDR5 kit need over time?

No routine maintenance is required; keep vents clear of dust, avoid physical shock, and replace modules only if a memory test reports errors or the system becomes unstable.

What limit appears first when this DDR5 5200 CL42 1.1V kit runs sustained heavy workloads?

The CAS latency of CL42 at 5200 MHz sets the timing floor, so latency-sensitive tasks hit that ceiling before bandwidth or the standard 1.1 V voltage becomes a constraint.

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