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Two green circuit boards with gold contacts and black chips

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1066MHz PC3-8500 CL7 204-Pin SODIMM MacBook Pro 13" 2.26 2009

SKU CH-MVTQ-S3VA7

An 8 GB kit of two 4 GB DDR3 1066 MHz SODIMM modules for the 13-inch MacBook Pro 2.26 GHz (Mid 2009)

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB kit upgrades MacBook Pro 13" 2009 to full 8GB capacity
  • DDR3 1066MHz PC3-8500 CL7 matches factory memory specification
  • 204-pin SODIMM form factor fits both memory slots directly
  • 5V unbuffered non-ECC design ensures stable operation
  • Lifetime warranty from CMS guarantees long-term reliability

MacBook Pro 13" mid-2009 memory kit

This 8 GB kit contains two 4 GB DDR3 1066 MHz SO-DIMM modules built for the MacBook Pro "Core 2 Duo" 2.26 13-inch (Mid-2009). It matches the PC3-8500 specification and CL7 timing required by that model. The 204-pin unbuffered, non-ECC design installs directly into the two factory memory slots. Computer Memory Solutions validates compatibility for this exact system.

Upgrading from the factory 2 GB or 4 GB

The original MacBook Pro 13-inch (Mid-2009) shipped with 2 GB or 4 GB of 1066 MHz DDR3 memory. Replacing those modules with this 8 GB kit doubles or quadruples the addressable RAM, allowing the machine to run Mac OS X 10.6 Snow Leopard and later supported releases with more headroom for multitasking. The upgrade is worthwhile when the system feels constrained by the original capacity ceiling.

Owners of the A1278 MacBook Pro 5,5

This kit suits owners of the MacBook Pro 5,5 (model identifiers MB990LL/A and A1278) who need the maximum 8 GB supported by the logic board and Boot ROM MBP 51.007E. B05. Builders working on other MacBook generations, newer macOS versions that demand more memory, or systems requiring ECC or registered modules should look at different memory products.

Highlights

  • 8GB kit upgrades MacBook Pro 13" 2009 to full 8GB capacity
  • DDR3 1066MHz PC3-8500 CL7 matches factory memory specification
  • 204-pin SODIMM form factor fits both memory slots directly
  • 5V unbuffered non-ECC design ensures stable operation
  • Lifetime warranty from CMS guarantees long-term reliability

Specifications

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)
Package Content2 Memory RAM Sticks

Questions about this item

Will the 204-pin SODIMM modules fit the two memory slots in my MacBook Pro 13" from 2009?

Yes, each 4 GB stick uses the standard 204-pin DDR3 SO-DIMM form factor that matches the two slots in the MacBook Pro 13" 2.26 GHz Mid-2009 (model A1278).

What is the correct way to seat the modules so the Mac recognises the full 8 GB?

Insert each stick at an angle until the gold contacts disappear, then press down firmly until both side clips click; the machine must be running Mac OS X 10.6 Snow Leopard with Boot ROM MBP 51.007E.B05 to see all 8 GB.

Do these unbuffered non-ECC sticks need any firmware updates or battery-backed settings later on?

No firmware or PRAM resets are required after installation; the modules run at 1.5 V with CL7 timing and have no heat spreader, so they operate maintenance-free for the life of the system.

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