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Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1066MHz CL7 SODIMM MacBook Pro 13" 2.26 2009

SKU CH-8J4V-M6AMD

A matched pair of 4 GB DDR3 1066 MHz SO-DIMM modules for upgrading a 13-inch MacBook Pro 2.26 GHz (Mid-2009) to 8 GB

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB kit doubles the 2009 MacBook Pro to its 8GB maximum
  • CL7 1066 MHz timing keeps the Core 2 Duo running at full bus speed
  • 204-pin DDR3 SO-DIMM form factor fits the factory memory slots exactly
  • Two matched 4GB modules enable dual-channel throughput on the 13-inch model
  • 5 V unbuffered design meets Apple’s original voltage spec without modification

MacBook Pro 13" 2009 memory upgrade

This 8 GB kit contains two 4 GB DDR3 SO-DIMM modules built for the Mid-2009 MacBook Pro 13-inch model MB990LL/A. It targets owners of that specific notebook who want to reach the machine's 8 GB ceiling. The sticks are unbuffered, non-ECC and run at 1.5 V.

Sustained load behaviour

CL7 timing at 1066 MHz gives low latency for everyday multitasking and older macOS workloads. Major-brand DRAM chips and the absence of a heat spreader keep the modules within the notebook's thermal envelope during extended use. Lifetime warranty from the manufacturer backs long-term reliability.

Deciding specification

The kit is validated only for the MacBook Pro "Core 2 Duo" 2.26 13" (SD/FW) running Snow Leopard 10.6 with Boot ROM MBP 51.007E.B05. Systems lacking that ROM version or a different model identifier will not recognise the full capacity.

Punti di forza

  • 8GB kit doubles the 2009 MacBook Pro to its 8GB maximum
  • CL7 1066 MHz timing keeps the Core 2 Duo running at full bus speed
  • 204-pin DDR3 SO-DIMM form factor fits the factory memory slots exactly
  • Two matched 4GB modules enable dual-channel throughput on the 13-inch model
  • 5 V unbuffered design meets Apple’s original voltage spec without modification

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Macbook Pro "Core 2 Duo" 2.26 13" (Sd/Fw) MB990Ll/A
Package Content2 Memory RAM Sticks

Domande su questo articolo

How much power does the 1.5 V DDR3 1066 MHz kit draw under continuous load?

The modules run at 1.5 V with no heat spreader, so they draw minimal power and stay cool during all-day use in the MacBook Pro 13".

Does this 204-pin SODIMM set need any extra parts or firmware before it works in the Mid-2009 MacBook Pro?

No extra parts are required; the MacBook Pro must run Mac OS X 10.6 Snow Leopard and have Boot ROM version MBP 51.007E.B05 installed for the full 8 GB to be recognised.

Will the CL7 1066 MHz sticks run stably alongside the original 2 GB or 4 GB modules that came with the 2.26 GHz Core 2 Duo?

The kit is designed as a matched 2 x 4 GB pair for the two slots; mixing with older modules is not recommended because the system maxes at 8 GB and timing mismatches can cause instability.

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