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Four green DDR3 SODIMM sticks with black chips in a row

Computer Memory Solutions

Computer Memory Solutions 32GB (4x8GB) DDR3-1333 PC3-10600 CL9 SODIMM for iMac 27-Inch Mid-2011 C12

SKU CH-0MX6-9V07V

32 GB kit of four 8 GB DDR3-1333 SODIMM modules for the 27-inch iMac (Mid 2011)

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • 32GB total capacity from four 8GB modules
  • DDR3-1333 speed with CL9 latency for responsive performance
  • 5V unbuffered non-ECC design matches iMac requirements
  • 204-pin SODIMM form factor fits 27-inch Mid-2011 iMac slots
  • Guaranteed compatibility with Core i5 3.1GHz 27-inch Mid-2011 iMac

Targeted iMac Upgrade

This 32GB kit delivers four 8GB DDR3-1333 SO-DIMM modules built to the PC3-10600 CL9 1.5V specification. It is configured for the 27-Inch iMac with a 3.1GHz Core i5 from Mid-2011, filling all four slots for the maximum supported capacity.

Suited for Full-Capacity Restores

Owners of that specific 2011 iMac model who need the full 32GB limit for memory-intensive workflows will use every slot. Systems that only accept two modules, require ECC or registered DIMMs, or run on a different DDR generation cannot use this kit.

Kit Format Enables Dual-Channel

The four matched sticks allow paired installation so the memory controller can operate in dual-channel mode. No heat spreaders, software utilities or additional cables are included; the modules themselves are the complete upgrade.

How it compares

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

Price $85.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $2.69 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246410600SODRH
Total capacity32 GB (4 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple iMac Core I5 3.1 27 in (Mid-2011)
In the box
Included items4 Memory RAM Sticks

Questions about this item

My iMac 27-Inch Mid-2011 has four SO-DIMM slots — does this kit fill all of them?

Yes, the kit contains four 8 GB modules for a total of 32 GB, matching the four slots in the 27-Inch Mid-2011 iMac.

Will these DDR3-1333 CL9 modules run at the correct speed alongside the original 1333 MHz memory Apple shipped?

The modules are rated DDR3-1333 PC3-10600 CL9, the same speed and latency as the factory memory, so the system will run them at 1333 MHz without down-clocking.

How can I verify the full 32 GB is recognised after installing the four sticks?

Open About This Mac or System Report; both should show 32 GB total across the four slots running at 1333 MHz with CL9 timings.

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