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Four black DDR5 memory modules without heat spreaders

OWC

OWC 32GB (4x8GB) DDR5 4800 CL40 1.1V Desktop RAM

SKU CH-CM2H-MG0W3

A 32GB DDR5 desktop memory kit of four 8GB modules running at 4800MHz with CL40 latency and 1.1V operation

  • Capacity32GB (4 x 8GB)
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 32GB (4 x 8GB)

  • 32 GB capacity lets you run more apps and larger files simultaneously
  • DDR5 4800 speed with CL40 latency delivers responsive desktop performance
  • 1 V operation reduces power draw and heat output
  • JEDEC and RoHS compliant for a warranty-safe upgrade
  • Four 8 GB unbuffered DIMMs install easily in standard 288-pin slots

32GB DDR5 4800 desktop memory kit

This OWC kit provides 32GB of DDR5 memory across four 8GB modules running at 4800 MT/s with CL40 latency. It is built for desktop, workstation, NAS and all-in-one systems that accept standard 288-pin unbuffered non-ECC DIMMs. The 1.1V operating voltage matches the JEDEC DDR5 baseline.

Black modules without heat spreaders

Each module uses a plain black PCB with no integrated heat spreader, keeping the profile low for tight slots or compact chassis. The 288-pin edge connector follows the DDR5 UDIMM standard, so installation is a straightforward press into the motherboard slots. No LEDs or extra cables are present.

Check DDR5 slot count and voltage support

Before ordering, confirm your board has four DDR5 DIMM slots and supports 1.1V JEDEC operation at 4800 MT/s. Verify the memory controller can populate all four slots at the rated speed without downclocking. Ensure the system does not require registered or ECC modules.

Highlights

  • 32 GB capacity lets you run more apps and larger files simultaneously
  • DDR5 4800 speed with CL40 latency delivers responsive desktop performance
  • 1 V operation reduces power draw and heat output
  • JEDEC and RoHS compliant for a warranty-safe upgrade
  • Four 8 GB unbuffered DIMMs install easily in standard 288-pin slots

Specifications

BrandOWC
Part Number4U8D51R8032S
Capacity32GB (4 x 8GB)
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

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Questions about this item

Will these four 8 GB modules fill all four slots on a standard dual-channel desktop board?

Yes, the kit provides four 288-pin UDIMMs for a total of 32 GB, occupying every slot on a typical four-slot motherboard.

Does the 1.1 V operating voltage match the JEDEC baseline for DDR5?

The modules run at the standard 1.1 V defined by JEDEC for DDR5 4800, so no manual voltage adjustment is required.

Can I add this kit alongside an existing 8 GB DDR5 stick?

Adding a single 8 GB module would create an uneven population; for stable dual-channel operation install memory in matched pairs or use the full kit alone.

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