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Two green DDR3 SODIMM sticks, 204-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM10246410600SODRH 16GB DDR3 1333 SODIMM memory upgrade

SKU CH-FAAD-9KMGQ

A 16 GB DDR3-1333 SO-DIMM kit for 27-inch iMac models including 2.7 GHz and 3.4 GHz configurations

  • Capacity16GB (2 x 8GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 16 GB kit adds responsive multitasking headroom for demanding workloads
  • Matched 2 × 8 GB pair enables dual-channel bandwidth on supported iMacs
  • DDR3 1333 MHz CL9 timing keeps latency low for everyday apps
  • 5 V unbuffered non-ECC modules install without configuration changes
  • Qualified for 27-inch iMac models including MC813LL/A and MC814LL/A

16GB DDR3 SODIMM kit for 27-inch iMac

This 16GB kit consists of two 8GB DDR3 1333 SO-DIMM modules built to 204-pin form factor. It targets owners of the Apple iMac 27-inch 2.7GHz Intel Core i5 (MC813LL/A) who need the full 16GB Apple officially supports. The unbuffered, non-ECC design matches the original specification for these all-in-one desktops.

Straightforward user installation

The modules slot directly into the SO-DIMM bay behind the memory compartment door on the rear of the iMac. No configuration is required; the system recognises the memory at 1333MHz CL9 automatically. The only common issue is inserting a module at an angle so the notch does not engage — press firmly until the side clips click.

Comfortable at 16GB; headroom to 32GB if

Apple rates this model at 16GB maximum across its four sockets, and this kit fills two of them with 8GB sticks. The supplier notes the actual hardware limit may reach 32GB, but that depends on firmware behaviour not guaranteed by Apple. For workloads beyond 16GB, buyers should verify real-world reports for their exact model before adding a second kit.

Highlights

  • 16 GB kit adds responsive multitasking headroom for demanding workloads
  • Matched 2 × 8 GB pair enables dual-channel bandwidth on supported iMacs
  • DDR3 1333 MHz CL9 timing keeps latency low for everyday apps
  • 5 V unbuffered non-ECC modules install without configuration changes
  • Qualified for 27-inch iMac models including MC813LL/A and MC814LL/A

Specifications

BrandComputer Memory Solutions
ModelCM10246410600SODRH
Capacity16GB (2 x 8GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac 27-Inch 2.7Ghz Intel Core I5 (Mc813Ll/A)
Package Content2 Memory RAM Sticks

Questions about this item

How can I confirm the 16GB kit is running at 1333 MHz after installation?

Open macOS System Information and check the Memory section; each 8 GB module should show DDR3 1333 (PC3-10600) and the total should read 16 GB.

What comes in the box and do I need any extra tools?

The box contains two 8 GB 204-pin DDR3 SO-DIMM sticks; no additional parts or tools are required for the iMac 27-inch memory compartment.

Should I choose this 16 GB kit or the 32 GB maximum the iMac can hold?

Apple officially supports 16 GB for this model; select the 16 GB kit for guaranteed compatibility or a 32 GB kit only if you accept unofficial operation.

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