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Two green DDR5 SODIMM sticks, bare circuit boards with gold edge connectors

OWC

OWC 64GB (2×32GB) DDR5 5200 CL42 ECC Unbuffered SODIMM laptop RAM

SKU CH-6XW8-W9JC2

Dual-channel kit delivers 64 GB of DDR5 5200 ECC unbuffered memory for laptops and all-in-one systems

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 64GB (2 x 32GB)

  • 64 GB total capacity from two 32 GB modules
  • DDR5 5200 speed with CL42 latency for responsive multitasking
  • ECC unbuffered design protects data integrity in critical workloads
  • 1 V operation reduces power draw and heat output
  • 262-pin SO-DIMM form factor fits compatible laptops, all-in-ones and NAS systems

Capacity and ECC support

This kit delivers 64 GB of DDR5 memory in two 32 GB SO-DIMM modules. It runs at 5200 MT/s with a CL42 latency and operates at 1.1 V. The modules include on-die ECC and are unbuffered, making them suitable for compatible laptops, all-in-one PCs and NAS appliances that require error-correcting memory.

Thermals and power in normal use

The SO-DIMMs have no integrated heat spreader and rely on the host system's airflow for cooling. At the standard 1.1 V JEDEC voltage, power draw remains modest during typical office, web and media workloads. Acoustic impact is negligible because the modules add no moving parts to the chassis.

Behaviour under sustained load

During prolonged, memory-intensive tasks the kit maintains its rated 5200 MT/s speed without downclocking, provided the host platform supports the frequency and supplies adequate airflow. The dual-rank 2Rx8 organisation helps sustain bandwidth, while on-die ECC continues to correct single-bit errors throughout extended sessions.

How it compares

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

Price $1,686.99
Pricier than about 95% of the 2,079 comparable items (median $70.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 91% of the 1,886 comparable items (median 16 GB).
Price per GB $26.36 per GB
Pricier than about 90% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameOWC
Part number5C2D52R8064P
Total capacity64 GB (2 × 32 GB)
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportYes
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Questions about this item

How do I install these 262-pin DDR5 SODIMMs and what step is often missed?

Align the notch on each 262-pin module with the slot key, press firmly until the side clips click, and ensure both 32GB sticks are seated for dual-channel operation.

What maintenance or replacement will this 64GB ECC kit need over time?

No routine maintenance is required; the modules are solid-state with no moving parts, and ECC corrects single-bit errors internally, so replacement is only needed if a module fails.

What limit appears first when this CL42 5200MHz memory runs sustained workloads?

The CL42 latency at 5200MHz sets the throughput ceiling, and the 1.1V unbuffered design means thermal throttling can occur before bandwidth saturates in poorly ventilated chassis.

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