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Four black 240-pin DDR3 desktop DIMMs in a 64GB kit

OWC

OWC 64GB (4x16GB) DDR3 1866 CL13 1.5V desktop RAM

SKU CH-7E28-3BAQF

A 64GB kit of four 16GB DDR3 1866 CL13 1.5V unbuffered desktop DIMMs for compatible systems

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR3 1866 (PC3 14900)
  • CAS latencyCL13
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 64GB (4 x 16GB)

  • Boosts multitasking with 64GB total capacity
  • JEDEC-standard 1.5V DDR3 ensures warranty-safe upgrade
  • CL13 latency at 1866MHz for responsive desktop performance
  • Four matched 16GB modules enable dual-channel bandwidth
  • Unbuffered 240-pin UDIMM fits standard desktop DIMM slots

64GB DDR3 1866 Kit

This kit contains four 16GB DDR3 1866 unbuffered UDIMMs rated at CL13 and 1.5V. It is built for desktop systems that accept 240-pin DDR3 modules and need a single 64GB upgrade.

JEDEC-Compliant Upgrade

The modules follow JEDEC PC3-14900 specifications and replace slower or smaller DDR3 DIMMs. The jump is worth it when a board supports 1866MHz operation and the current memory limits multitasking or large-file workflows.

Desktop and Workstation Users

Suits owners of compatible desktops or workstations who want a matched 4x16GB set without ECC or registered buffers. Builders needing ECC, registered DIMMs, or a different DDR generation should choose another product.

How it compares

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

Price $499.99
Pricier than about 85% 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 $7.81 per GB
Pricier than about 57% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1U8D32R8064S
Total capacity64 GB (4 × 16 GB)
Product colorBlack
Performance
Rated speedDDR3 1866 (PC3 14900)
Memory
CAS latencyCL13
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will the 240-pin DDR3 DIMMs fit my desktop motherboard slots?

Yes, each 16 GB module uses the standard 240-pin DDR3 form factor that matches desktop DIMM sockets.

What is the correct way to seat the four modules for dual-channel operation?

Install the four 16 GB sticks in matched pairs according to the motherboard manual so both channels are populated evenly.

Do the 1.5 V unbuffered modules need any firmware updates or periodic replacement?

No firmware is required; the JEDEC-compliant DDR3 DIMMs run at 1.5 V and are rated for the life of the system.

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