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Green circuit board with black chips, no heat spreader, 288 gold pins along bottom edge

OWC

OWC 16GB DDR4 2666MHz CL19 1.2V 288-Pin UDIMM HP OMEN X 900-200nd 900-200nf 900-201la 900-201ng 900-201nl

SKU CH-WY9T-NR5D4

16 GB DDR4 2666 MHz CL19 UDIMM for HP OMEN X 900-200nd, 900-200nf, 900-201la, 900-201ng and 900-201nl desktops

  • Capacity16GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • Designed for HP OMEN X 900-200nd, 900-200nf, 900-201la, 900-201ng and 900-201nl
  • 16GB DDR4 2666MHz CL19 boosts multitasking and responsiveness
  • JEDEC and ROHS compliant for a warranty-safe upgrade
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2133MHz and 2400MHz systems

16GB DDR4 UDIMM for HP OMEN X 900 series

This 16GB DDR4 2666MHz CL19 module is built for the HP OMEN X 900-200nd, 900-200nf, 900-201la, 900-201ng and 900-201nl desktops. It uses a 288-pin unbuffered non-ECC design at 1.2V. Owners of these specific OMEN X models can install it directly to add capacity.

Thermals and power in daily use

The module runs at the standard 1.2V DDR4 voltage with a CL19 latency at 2666MHz. It has no heat spreader, relying on case airflow for cooling. Power draw follows JEDEC specifications for PC4-21300 unbuffered DIMMs. The 2Rx8 rank organisation is handled by the system memory controller.

Upgrading from lower capacity or speed

This DIMM replaces an existing 8GB or smaller module to double capacity, or adds to a free slot for 16GB more. It also steps up from 2133MHz or 2400MHz sticks, running at the higher 2666MHz rate when the platform supports it. The jump is worth it when multitasking or handling large files exceeds current memory headroom.

Highlights

  • Designed for HP OMEN X 900-200nd, 900-200nf, 900-201la, 900-201ng and 900-201nl
  • 16GB DDR4 2666MHz CL19 boosts multitasking and responsiveness
  • JEDEC and ROHS compliant for a warranty-safe upgrade
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2133MHz and 2400MHz systems

Specifications

BrandOWC
Part Number2U6D42R816GB
Capacity16GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP OMEN X 900-200nd
HP OMEN X 900-200nf
HP OMEN X 900-201la
HP OMEN X 900-201ng
HP OMEN X 900-201nl

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Questions about this item

How do I install the 288-pin UDIMM in my HP OMEN X 900-200nd, and what step is often missed?

Align the notch on the module with the slot key, press down firmly until both side clips snap shut automatically, then verify the system reports the full 16 GB at 2666 MHz in BIOS.

What maintenance or replacement will this DDR4 module need over time?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so replacement is only needed if a memory test reports errors or you choose to increase capacity later.

What limit appears first when the 16 GB CL19 kit runs sustained workloads?

The 16 GB capacity ceiling is reached before any thermal or voltage limit, causing the OS to swap to storage once all 16 GB are allocated by applications.

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