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Two green DDR3 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1066MHz CL7 SODIMM MacBook Pro 13" 2009-2010 memory upgrade

SKU CH-89EW-79YA3

Two 4 GB DDR3 SO-DIMM modules at 1066 MHz CL7 for MacBook Pro 13" 2009-2010

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8GB dual-channel kit restores full 8GB maximum on 13-inch MacBook Pro 2009-2010
  • CL7 timing at 1066 MHz DDR3 reduces latency for snappier everyday response
  • 204-pin SODIMM form factor drops straight into the two factory slots
  • 5 V unbuffered non-ECC modules match original Apple specification exactly
  • Lifetime exchange warranty from Computer Memory Solutions covers manufacturing defects

MacBook Pro 13" 2009-2010 memory upgrade

This 8GB kit contains two 4GB DDR3 SODIMM modules built for the 13-inch MacBook Pro models released in mid-2009 and 2010. It targets owners of those specific aluminium unibody laptops who need the maximum factory-supported memory capacity. The 204-pin form factor matches the original slots exactly.

Matched pair simplifies installation

The two sticks are packaged together as a tested pair, removing the guesswork of mixing modules with different timings or densities. Each module runs at 1066MHz with CL7 latency at 1.5V, matching the specifications Apple used for these machines. The unbuffered, non-ECC design aligns with the notebook's memory controller requirements.

Fills both slots for 8GB total

With two populated sockets the system reaches its 8GB ceiling, giving headroom for multitasking and 64-bit applications that the stock 2GB or 4GB configurations could not handle. The 2Rx8 organisation uses major-brand chips to maintain stability. Builders needing more than 8GB or a different DDR generation must look elsewhere, as this platform cannot accept larger modules or newer memory types.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.37 per GB
Cheaper than about 82% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512648500SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsMacbook Pro 13 in Aluminum Mid-2009 And 2010
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 204-pin DDR3 SODIMM modules need any firmware updates or re-seating over time?

No firmware is involved; the 2Rx8 unbuffered sticks are a permanent fit once seated in the two 204-pin slots.

What limit appears first when the MacBook Pro 13" runs the 1066 MHz CL7 kit at full load for hours?

The MacBook Pro 13" Mid-2009/2010 caps total memory at 8 GB, so capacity is the hard ceiling before bandwidth or latency.

How much extra heat or fan noise does the 1.5 V DDR3-8500 kit add during all-day use?

The modules run at standard 1.5 V without heat spreaders, adding negligible heat and no audible fan change in the aluminium chassis.

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