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Four green DDR5 SODIMM modules with gold contacts, no heat spreaders

OWC

OWC 128GB (4x32GB) DDR5 5200 CL42 ECC SODIMM laptop RAM

SKU CH-1Q5F-9MJ6G

A 128GB kit of four 32GB DDR5 5200 ECC SODIMM modules at CL42 and 1.1V for laptops, all-in-ones and NAS systems

  • Capacity128GB (4 x 32GB)
  • Type262-Pin DDR5 SO-DIMM
  • SpeedDDR5 5200 (PC5 41600)
  • CAS LatencyCL42
  • Voltage1.1V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • 128GB total capacity from four 32GB modules
  • DDR5 5200 speed with CL42 latency
  • ECC unbuffered design for data integrity
  • 1V operation matches JEDEC standard
  • 262-pin SODIMM fits laptops and all-in-one systems

128 GB DDR5 ECC SODIMM kit

This 128 GB kit contains four 32 GB DDR5 5200 CL42 modules built to JEDEC standard at 1.1 V. It targets users of select laptops, all-in-one PCs and NAS systems who need ECC unbuffered memory for data integrity.

Low-voltage operation and thermals

Running at the standard 1.1 V, the modules draw minimal power and generate little heat during typical workloads. No heat spreaders are fitted, so the design relies on the host system's airflow for passive cooling.

Sustained load behaviour

Under continuous heavy use the ECC circuitry corrects single-bit errors in real time, preserving data accuracy. The unbuffered layout keeps latency at CL42 without registered buffering overhead, maintaining stable throughput for long compute sessions.

Points forts

  • 128GB total capacity from four 32GB modules
  • DDR5 5200 speed with CL42 latency
  • ECC unbuffered design for data integrity
  • 1V operation matches JEDEC standard
  • 262-pin SODIMM fits laptops and all-in-one systems

Caractéristiques

BrandOWC
Part Number5C2D52R8128S
Capacity128GB (4 x 32GB)
Type262-Pin DDR5 SO-DIMM
SpeedDDR5 5200 (PC5 41600)
CAS LatencyCL42
Voltage1.1V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

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Questions sur cet article

How do I install the 262-pin DDR5 SODIMM modules, and what step is commonly missed?

Power off the laptop, remove the battery if accessible, open the memory compartment, align each module's notch with the slot key, press firmly until the retention clips click, then verify all four 32GB sticks are recognised in BIOS before reassembling.

What maintenance or replacement will the 128GB ECC kit need over time?

No routine maintenance is required; the modules have no heat spreaders or moving parts. If a stick fails, the limited lifetime warranty covers replacement, but otherwise they run for the system's usable life.

What limit appears first when the 5200 CL42 memory runs under sustained load?

The JEDEC-standard 1.1V operating voltage and CL42 latency define the thermal and timing envelope; sustained workloads will hit the module's rated speed and voltage ceiling before any other constraint.

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