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Four black DDR4 desktop memory modules without heat spreaders

OWC

OWC 64GB (4×16GB) DDR4 3200MHz CL22 desktop RAM

SKU CH-ZA30-C8GFY

Four 16 GB DDR4 3200 MHz CL22 unbuffered DIMMs totalling 64 GB for desktop PCs, workstations and NAS systems

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 64GB (4 x 16GB)

  • 64GB total capacity from four 16GB modules
  • DDR4 3200MHz speed with CL22 latency
  • 2V low voltage for efficient operation
  • JEDEC compliant and ROHS certified
  • Backward compatible with 2133, 2400, 2666, 2933MHz systems

Capacity and Kit Layout

This kit supplies 64GB of desktop memory across four 16GB DDR4 modules. It is built for users who need extra headroom for multitasking, content creation or virtual machines on a standard PC platform.

Compatibility Checks

Verify that your motherboard accepts 288-pin unbuffered non-ECC DDR4 DIMMs and can run at 1.2V. The modules are backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz speeds, so they will clock down if the board does not support the rated 3200MHz frequency.

Sustained Load Behaviour

Under continuous workloads the memory operates at the JEDEC-standard CL22 latency and 1.2V without a heat spreader. Thermal performance therefore depends on case airflow, and the modules will maintain their rated speed as long as the system cooling keeps temperatures within specification.

How it compares

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

Price $337.99
Pricier than about 77% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $5.28 per GB
Cheaper than about 68% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number3U2D41R8064S
Total capacity64 GB (4 × 16 GB)
Product colorBlack
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box with the OWC 64GB kit and do I need anything else to install it?

The kit contains four 16GB DDR4 3200MHz UDIMM modules. No extra parts are required; they plug directly into standard 288-pin desktop DIMM slots.

Should I choose this 64GB four-module kit or a smaller capacity for my desktop?

Pick this 64GB kit if your motherboard has four slots and you want the full capacity at 3200MHz CL22. Smaller kits leave slots free but give less total memory.

What does the 3200MHz CL22 rating mean once the RAM is running in my PC?

The modules operate at 3200MHz with CAS latency 22 at 1.2V. They also down-clock automatically to 2933MHz, 2666MHz, 2400MHz or 2133MHz if the platform requires it.

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