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Black 288-pin DDR5 UDIMM module without heat spreader

OWC

OWC 16GB DDR5 4800 CL40 1.1V Non-ECC UDIMM desktop RAM

SKU CH-XMYZ-ST4X6

A 16GB DDR5 desktop module running at 4800MHz CL40 with 1.1V operation for standard system upgrades

  • Capacity16GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • 16 GB DDR5 4800 MHz CL40 capacity lifts multitasking headroom
  • 1 V JEDEC-standard voltage reduces power draw and heat
  • 288-pin unbuffered UDIMM fits standard desktop DIMM slots
  • Non-ECC design keeps latency low for everyday workloads
  • RoHS-compliant build meets environmental and safety standards

16GB DDR5 4800 Desktop Memory

This 16GB DDR5 4800 module is a JEDEC-standard upgrade for desktop PCs, workstations, NAS devices and all-in-one systems. It runs at 1.1V with a CL40 latency and uses a 1Rx8 unbuffered design. The black PCB has no heat spreader or LEDs.

Simple DIY Installation

Installation is a straightforward DIY task in most cases; align the notch on the 288-pin gold edge with the motherboard slot key and press firmly until the retention clips click. Common issues include the module not seating fully or the system failing to POST if the slot is dusty or the BIOS needs a reset.

Verify Platform Compatibility First

Before ordering, confirm your motherboard or system supports DDR5 memory at 4800 MT/s and accepts 288-pin unbuffered non-ECC UDIMMs. Check the vendor’s qualified vendor list or manual for 1Rx8 16GB module support and ensure the board operates at the standard 1.1V JEDEC voltage.

Highlights

  • 16 GB DDR5 4800 MHz CL40 capacity lifts multitasking headroom
  • 1 V JEDEC-standard voltage reduces power draw and heat
  • 288-pin unbuffered UDIMM fits standard desktop DIMM slots
  • Non-ECC design keeps latency low for everyday workloads
  • RoHS-compliant build meets environmental and safety standards

Specifications

BrandOWC
Part Number4U8D51R816GB
Capacity16GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

Questions about this item

Will this module work in a system that requires 288-pin DDR5 UDIMMs?

Yes. The module is a 288-pin unbuffered DDR5 DIMM, the standard form factor for desktop DDR5 memory.

Does this kit include a heat spreader for additional cooling?

No. The specification lists no heat spreader; the module uses a bare PCB design.

Is this memory compatible with the Crucial CT16G48C40U5 part number?

Yes. The manufacturer highlights confirm it is a direct replacement for that Crucial part number.

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