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A green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 32GB DDR5 4800 CL40 1.1V Non-ECC UDIMM desktop RAM

SKU CH-BWZY-PT67F

A single 32 GB DDR5 module running at 4800 MHz with CL40 latency and 1.1 V operation for desktop upgrades

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forDesktops

Capacity 32GB

  • 32 GB capacity lets you open more apps and larger files simultaneously
  • DDR5 4800 speed with CL40 latency boosts system responsiveness for multitasking
  • 1 V operation reduces power draw while maintaining JEDEC-standard performance
  • 288-pin unbuffered non-ECC DIMM fits standard desktop, workstation and NAS slots
  • 100 % JEDEC and RoHS compliant for a warranty-safe upgrade validated by OWC testing

32GB DDR5 4800 desktop module

This is a single 32GB DDR5 4800 CL40 unbuffered UDIMM that runs at 1.1V. It is built for desktop, workstation, NAS and all-in-one systems that accept standard 288-pin DDR5 memory. The module follows JEDEC specifications and contains no ECC or heat spreader.

Tool-free press-in installation

The DIMM seats in a regular 288-pin DDR5 slot with a simple press until the retention clips click. No extra cables, drivers or software are required. The most common issue is inserting the module backwards or not pressing firmly enough on both ends, which leaves the clips unlatched and causes a no-boot condition.

Check motherboard DDR5 support and slot count

Before ordering, confirm that your board or system lists DDR5 4800 (PC5-38400) unbuffered non-ECC UDIMMs on its qualified vendor list. Verify how many 288-pin slots are free and whether the firmware requires a specific population order for single- or dual-channel operation.

How it compares

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

Price $427.99
Pricier than about 82% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $13.37 per GB
Pricier than about 81% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number4U8D52R832 GB
Total capacity32 GB
Product colorBlack
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will this 32 GB DDR5 4800 module fit a standard 288-pin desktop memory slot?

Yes, it uses the 288-pin UDIMM form factor designed for desktop, workstation, NAS and all-in-one systems that accept DDR5 memory.

Does the 1.1 V operating voltage match the JEDEC DDR5 baseline so it runs without manual BIOS voltage changes?

The module operates at the JEDEC-standard 1.1 V, so compatible platforms will configure it automatically at the rated 4800 MT/s CL40 speed.

Is any additional cooling or a heat spreader required for this unbuffered non-ECC DIMM?

The module ships without a heat spreader; JEDEC-compliant 1.1 V operation typically stays within thermal limits for normal desktop workloads.

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