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OWC

OWC 64GB (8x8GB) DDR4 3200MHz ECC SO-DIMM laptop RAM

SKU CH-BC9P-MQFQT

64 GB kit of eight 8 GB DDR4 3200 MHz ECC SO-DIMM modules at CL22 and 1.2 V for laptops, NAS and micro servers

  • Capacity64GB (8 x 8GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCECC

Capacity 64GB (8 x 8GB)

Struck-through versions exist but are not stocked here.

  • 64 GB capacity across eight 8 GB modules for heavy multitasking
  • ECC support detects and corrects single-bit errors to protect data integrity
  • DDR4 3200 MHz speed with CL22 latency delivers responsive throughput
  • 2 V operation reduces power draw and heat in compact systems
  • Backwards compatible with 2933, 2666, 2400 and 2133 MHz platforms

Capacity and Kit Layout

This kit supplies 64GB of DDR4 laptop memory arranged as eight 8GB modules. It targets owners of compatible laptops, all-in-one PCs, micro servers or NAS units that require ECC unbuffered SO-DIMMs and can address the full capacity. Systems limited to lower maximum memory per slot or to non-ECC modules cannot use this kit.

Build and Connector Implications

Each module uses the standard 260-pin SO-DIMM edge connector and operates at 1.2V without a heat spreader. The low-profile design fits tight chassis, while JEDEC and RoHS compliance ensures broad platform acceptance. Eight separate sticks occupy all available slots in many dual-channel systems, leaving no room for future expansion without removing existing modules.

Compatibility Checklist

Verify that your device supports DDR4 SO-DIMM ECC unbuffered memory and can run at 3200MHz CL22 or at the lower JEDEC speeds of 2933MHz, 2666MHz, 2400MHz or 2133MHz. Confirm the maximum supported capacity per slot and total system limit before ordering, as some platforms restrict ECC to specific configurations or cap usable memory below 64GB.

Highlights

  • 64 GB capacity across eight 8 GB modules for heavy multitasking
  • ECC support detects and corrects single-bit errors to protect data integrity
  • DDR4 3200 MHz speed with CL22 latency delivers responsive throughput
  • 2 V operation reduces power draw and heat in compact systems
  • Backwards compatible with 2933, 2666, 2400 and 2133 MHz platforms

Specifications

BrandOWC
Part Number3C2D41R8064K
Capacity64GB (8 x 8GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCECC
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What DDR4 speed does the PC4-25600 rating cap the modules at in practice?

The PC4-25600 rating corresponds to DDR4 3200 MT/s, so the eight 8 GB modules run at 3200 MHz unless the host system forces a lower JEDEC speed.

Will the 260-pin SO-DIMM form factor fit my laptop or NAS memory slot?

Yes, each module uses the standard 260-pin DDR4 SO-DIMM layout used by laptops, all-in-one PCs and compatible NAS units.

What is the correct way to seat the modules so the ECC function works?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click; skipping the click leaves the ECC pins unconnected.

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