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

Computer Memory Solutions

Computer Memory Solutions 4GB (2x2GB) DDR3 1066MHz CL7 SODIMM Mac Mini Late 2009 memory upgrade

SKU CH-72MR-G978W

4GB DDR3 1066MHz CL7 SODIMM kit upgrades the Late 2009 Mac Mini 2.26 Core 2 Duo

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 4GB kit upgrades Mac Mini Late 2009 to 4GB total
  • DDR3 1066MHz CL7 matches factory speed and latency
  • 204-pin SODIMM form factor fits the Mac Mini memory slots
  • Unbuffered non-ECC design meets Apple specification for this model
  • 5V operation matches original module voltage

4GB DDR3 SODIMM kit for Mac Mini Late 2009

This 4 GB kit contains two 2 GB 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) models MC238LL/A, Macmini3,1 and A1283. The unbuffered, non-ECC design matches the original system requirements.

DDR3 1066 MHz interface limits bandwidth

The modules operate at 1.5 V and use the 204-pin DDR3 SO-DIMM standard, which caps throughput at the PC3-8500 data rate. Systems requiring higher frequencies, lower voltages or ECC error correction cannot use this memory. The fixed CL7 7-7-7 timing is set for the Mac Mini's memory controller.

Two unbranded sticks without heat spreaders fit

Each stick uses major-brand chips in a standard 204-pin layout and ships without a heat spreader, keeping the profile low enough for the Mac Mini's tight internal clearance. The pair fills both SO-DIMM slots for dual-channel operation. Buyers needing more than 4 GB total capacity or registered DIMMs must choose a different product.

How it compares

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

Price $11.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.00 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256648500SODRH
Total capacity4 GB (2 × 2 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

Should I choose the 4 GB kit or a single 2 GB module for my Mac Mini Late 2009?

The kit supplies 4 GB total as two matched 2 GB modules, enabling dual-channel operation on the Mac Mini "Core 2 Duo" 2.26 (Late 2009) for higher memory bandwidth than a single stick.

Will the advertised 1066 MHz speed actually run at that frequency once installed?

The modules are rated DDR3 1066 (PC3 8500) and the Mac Mini Late 2009 memory controller supports that speed natively, so they will operate at 1066 MHz without manual configuration.

Does the 204-pin DDR3 SO-DIMM interface limit the usable capacity or speed in this Mac Mini?

The 204-pin DDR3 SO-DIMM form factor matches the Mac Mini Late 2009 slots exactly; the system accepts the full 4 GB kit at the rated 1066 MHz with CL7 timing.

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