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Two black DDR3 UDIMM modules without heat spreaders

OWC

OWC 8GB (2x4GB) DDR3 1600 CL11 1.5V UDIMM Kit

SKU CH-KCPZ-BXN45

Dual-channel 8 GB DDR3 1600 CL11 1.5 V unbuffered kit for desktop upgrades

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 8GB (2 x 4GB)

  • 8GB dual-channel kit expands multitasking headroom for desktop workloads
  • DDR3 1600 CL11 timing delivers responsive system performance at standard voltage
  • JEDEC and RoHS compliant design ensures warranty-safe upgrades for OEM systems
  • Unbuffered 240-pin UDIMM format fits standard desktop motherboard slots
  • 5V operation matches factory specifications for broad desktop and workstation compatibility

Kit contents and purpose

This OWC kit provides 8 GB of DDR3 desktop memory arranged as a matched dual-channel pair of two 4 GB UDIMMs. It is built for DDR3 platforms that accept 240-pin unbuffered non-ECC modules running at 1.5 V.

Who this suits and who should look elsewhere

The kit fits desktop and workstation boards with DDR3 slots that support PC3-12800 CL11 timing. Systems requiring ECC, registered DIMMs, a different voltage, or a newer DDR generation cannot use these modules.

Deciding specification

The modules operate at DDR3 1600 with a CAS latency of 11 at 1.5 V, so the board must support that exact speed, timing and voltage combination for the kit to run as specified.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 79% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $3.62 per GB
Cheaper than about 87% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1U6D31R8008P
Total capacity8 GB (2 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will this 1.5V kit run with my existing DDR3 modules?

Both kits must operate at the same 1.5V voltage and share the same DDR3 1600 speed for stable dual-channel operation; mixing different speeds or voltages can cause instability.

How can I confirm the 1600 CL11 kit is running correctly after install?

Enter the system BIOS or use a tool like CPU-Z to verify the memory reports DDR3 1600 (PC3-12800) at CL11 timings and 1.5V with both 4GB modules detected in dual-channel mode.

What comes in the box and what must I source separately?

The box contains two 4GB 240-pin UDIMM modules; no heat spreaders, cables, or tools are included, and no extra components are required for installation in a compatible desktop.

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