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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 8GB (2×4GB) DDR3 1066 CL7 Mac Mini 2.26 2009

SKU CH-W742-MG0AF

Two 4 GB DDR3 SO-DIMM modules at 1066 MHz CL7 for the late 2009 Mac Mini 2.26

  • 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 boosts Mac Mini responsiveness
  • DDR3 1066 CL7 timing matches factory spec
  • 204-pin SO-DIMM form factor fits late-2009 slot exactly
  • 5 V unbuffered modules run without extra cooling
  • Two 4 GB sticks install in minutes for immediate upgrade

Mac Mini Late 2009 DDR3 Kit

This 8GB kit contains two 4GB DDR3 SO-DIMM modules rated at 1066 MHz with CL7 timings. It is built specifically for the Apple Mac Mini "Core 2 Duo" 2.26 (Late 2009) model MC238LL/A. The unbuffered, non-ECC sticks run at 1.5V and use 204-pin connectors.

Buyers upgrading that exact Mac Mini

The kit matches the factory slot count and maximum supported speed for the Late 2009 Mac Mini 2.26. Owners of earlier Mac Minis, later models, or any non-Apple system should look elsewhere because the SPD profile is tuned for Macmini3,1 only.

Straightforward two-module install

Installation requires opening the bottom cover, removing the existing pair, and seating both new sticks firmly until the latches click. The most common issue is a single module not fully latched, which causes the Mac to beep on boot; reseating both sticks usually resolves it.

How it compares

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

Price $37.99
Cheaper than about 81% 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 $4.75 per GB
Cheaper than about 80% 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 systemsApple Mac Mini "Core 2 Duo" 2.26 (Late 2009)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will my Mac mini "Core 2 Duo" 2.26 (Late 2009) accept these 204-pin DDR3 SO-DIMM modules?

Yes, this kit is built for the Mac mini "Core 2 Duo" 2.26 (Late 2009) and uses the 204-pin DDR3 SO-DIMM form factor that the system requires.

Can I keep one 4GB stick installed and add only one module from this kit?

The Mac mini has two slots; using one 4GB module from this kit alongside an existing stick will work, though matched pairs give the best stability.

How do I confirm the memory is recognised at 1066 MHz after installation?

Open About This Mac or System Report; the memory tab should show 8 GB total running at 1066 MHz DDR3.

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