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Two black DDR3 DIMM sticks side by side

OWC

OWC 8GB (2x4GB) DDR3 1066 PC3-8500 CL7 Desktop RAM

SKU CH-AR4X-5RVTD

A dual-channel 8 GB kit of two 4 GB DDR3 1066 CL7 unbuffered DIMMs running at 1.5 V for desktop upgrades

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 8GB (2 x 4GB)

  • Dual-channel kit doubles bandwidth for smoother multitasking
  • CL7 latency cuts response time at 1066 MHz speed
  • 5 V JEDEC voltage ensures broad desktop compatibility
  • 240-pin unbuffered DIMMs install in standard desktop slots
  • Two 4 GB modules deliver 8 GB total capacity

DDR3 1066 dual-channel kit

This 8 GB kit contains two 4 GB unbuffered DDR3 DIMMs rated at 1066 MHz with CL7 latency. It is intended for desktop and workstation systems that accept 240-pin non-ECC memory running at 1.5 V.

PC3-8500 speed ceiling

The modules operate at the JEDEC-standard PC3-8500 data rate, so the memory bus cannot exceed 1066 MT/s. Installing them in a platform that only supports lower DDR3 speeds will cause the kit to down-clock automatically.

240-pin 1.5 V slot check

Verify that the motherboard provides 240-pin DDR3 slots and supplies 1.5 V to the DIMMs. Confirm the board accepts non-ECC unbuffered modules and that two adjacent slots are free for dual-channel operation.

How it compares

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

Price $30.99
Cheaper than about 78% 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 $3.87 per GB
Cheaper than about 85% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number8U5D32R8008P
Total capacity8 GB (2 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
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

Should I pick the 8GB dual-channel kit or look for a different capacity?

This kit provides 8GB total as two matched 4GB modules, enabling dual-channel operation on desktop boards that support it.

What does the 1066MHz CL7 rating actually deliver in a desktop?

The modules run at 1066MHz with a CAS latency of 7 cycles at the standard 1.5V, giving a peak transfer rate of PC3-8500 when the memory controller is set to that speed.

Does the 240-pin DDR3 interface limit the usable speed on older boards?

The 240-pin DDR3 DIMMs conform to the JEDEC PC3-8500 standard, so the memory controller will negotiate the highest common speed up to 1066MHz.

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