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Two black DDR3 DIMMs in a matched 16 GB kit

OWC

OWC 16GB (2x8GB) DDR3 1866 CL13 desktop RAM

SKU CH-M8B9-5RR53

Dual-channel 16 GB kit (2 × 8 GB) of DDR3 1866 CL13 unbuffered 1.5 V desktop DIMMs

  • Capacity16GB (2 x 8GB)
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.5V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit expands multitasking headroom
  • 1866 MHz DDR3 speed accelerates data throughput
  • CL13 latency tightens response times
  • 5 V JEDEC voltage ensures broad desktop compatibility
  • 240-pin unbuffered DIMMs install without tools

DDR3 1866 dual-channel kit

This OWC kit provides 16 GB of DDR3 memory in two 8 GB unbuffered DIMMs. The modules run at 1866 MT/s with a CAS latency of 13 and operate at the standard 1.5 V. They are non-ECC, 240-pin desktop parts intended for compatible motherboards. The black PCBs carry no heat spreader and no lighting.

Suits DDR3 desktop upgrades

The kit is built for desktop or workstation boards that accept DDR3 1866 unbuffered memory in dual-channel configuration. Systems that require ECC, registered modules, a different voltage, or a different DDR generation will not be compatible. Buyers should verify their platform supports PC3-14900 before purchasing.

Speed and latency set the fit

The decisive specification is the 1866 MT/s data rate with CL13 timing at 1.5 V. Only motherboards and processors rated for DDR3 1866 can run these modules at their specified speed; otherwise the system will down-clock to a lower supported rate.

Highlights

  • 16 GB dual-channel kit expands multitasking headroom
  • 1866 MHz DDR3 speed accelerates data throughput
  • CL13 latency tightens response times
  • 5 V JEDEC voltage ensures broad desktop compatibility
  • 240-pin unbuffered DIMMs install without tools

Specifications

BrandOWC
Part Number1U8D32R8016P
Capacity16GB (2 x 8GB)
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

Other versions of this model

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Questions about this item

How do I install the 240-pin DDR3 modules, and what step is often missed?

Power off the desktop, open the case, align each 240-pin DIMM with the slot notch, press firmly until the retention clips click, then verify in BIOS that both 8 GB sticks are detected at 1866 MHz.

What maintenance or replacement will this 16 GB kit need later?

No routine maintenance is required; if a module fails, replace the faulty 8 GB DIMM with another DDR3 1866 CL13 1.5 V unbuffered stick to keep dual-channel operation.

What limit appears first during sustained heavy workloads?

The 16 GB total capacity is the first bottleneck; once the operating system exhausts physical memory it must swap to storage, slowing responsiveness.

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