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Two green DDR3 SODIMM sticks with black chips, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1066MHz CL7 SODIMM for iMac 20" 2.66 2009

SKU CH-G1VS-B215C

8GB DDR3 1066MHz CL7 SODIMM kit upgrades the 20-inch iMac 2.66 2009 to its 8GB maximum

  • 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 kit doubles the iMac 20" 2009 to its 8GB maximum
  • DDR3 1066MHz CL7 timing matches the factory specification exactly
  • 204-pin SODIMM form factor fits the two memory slots directly
  • Unbuffered non-ECC design ensures trouble-free operation in this model
  • Computer Memory Solutions guarantees compatibility with the MB417LL/A system

Targeted iMac upgrade

This 8 GB kit delivers two 4 GB DDR3 SO-DIMMs built for the 20-inch iMac with a 2.66 GHz Core 2 Duo from early 2009. The modules match the factory PC3-8500 specification and install directly into the two available slots.

Low-voltage operation

Running at 1.5 V with CL7 7-7-7 timing, the unbuffered non-ECC sticks draw minimal power and produce no audible noise because they have no moving parts. The major-brand chipset and 2Rx8 organisation keep thermals modest inside the compact all-in-one chassis.

Steady sustained throughput

Under continuous workloads the memory maintains its rated 1066 MHz speed without throttling, so rendering, virtualisation or large media libraries see consistent bandwidth. Builders needing more than 8 GB or a different form factor should look elsewhere.

How it compares

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

Price $35.99
Cheaper than about 82% 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 $4.50 per GB
Cheaper than about 81% 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 Imac "Core 2 Duo 2.66 20 in Early 2009 MB417Ll/A
In the box
Included items2 Memory RAM Sticks

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