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Eight black DDR4 UDIMM sticks, no heat spreaders, 288-pin each

OWC

OWC 128GB (8×16GB) DDR4 2666 CL19 desktop RAM

SKU CH-WB1E-9YKSQ

Eight 16 GB unbuffered DDR4 modules at 2666 MHz CL19 deliver 128 GB for desktops, workstations and NAS systems with 1.2 V JEDEC operation

  • Capacity128GB (8x16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • 128 GB total capacity across eight 16 GB modules
  • DDR4 2666 speed with CL19 latency for responsive multitasking
  • Low 1.2 V operation reduces system power draw
  • Unbuffered non-ECC UDIMM fits standard desktop motherboards
  • JEDEC and RoHS compliant for warranty-safe upgrades

128 GB DDR4 kit for desktops

This OWC kit supplies 128 GB across eight 16 GB UDIMMs. It targets desktop PCs, workstations and NAS units that accept 288-pin DDR4 modules. The CL19 timing and 1.2 V operation follow standard JEDEC specifications.

Upgrade from 2133 MHz or 2400 MHz

The modules run at 2666 MHz (PC4-21300) and are backward compatible with 2133 MHz and 2400 MHz systems. The jump is worthwhile when the platform supports 2666 MHz natively and the workload benefits from higher bandwidth.

DDR4 2666 interface limits

The dual-channel kit populates eight slots, so the motherboard must provide enough DIMM sockets and chipset support for the full capacity. Maximum throughput is bounded by the 2666 MT/s data rate and CL19 latency of the JEDEC standard.

Besonderheiten

  • 128 GB total capacity across eight 16 GB modules
  • DDR4 2666 speed with CL19 latency for responsive multitasking
  • Low 1.2 V operation reduces system power draw
  • Unbuffered non-ECC UDIMM fits standard desktop motherboards
  • JEDEC and RoHS compliant for warranty-safe upgrades

Technische Daten

BrandOWC
Part Number2U6D42R8128K
Capacity128GB (8x16GB)
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

Fragen zu diesem Artikel

Will the 288-pin UDIMM modules fit my desktop motherboard slots?

Each module uses the standard 288-pin DDR4 UDIMM form factor, so it fits any desktop board with DDR4 DIMM slots.

How do I seat the 8 modules correctly in a dual-channel layout?

Populate matching-coloured slot pairs first; the common mistake is filling four slots on one channel and leaving the other channel empty.

Do these 1.2 V modules need active cooling or thermal paste later?

No heat spreader is fitted and the JEDEC 1.2 V rating runs cool; just keep case airflow clear and reseat only if troubleshooting.

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