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

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 16GB (4x4GB) DDR3 1066MHz CL7 SODIMM memory upgrade

SKU CH-7PWZ-NC5F0

16 GB DDR3 kit with four 4 GB SODIMM modules at 1066 MHz CL7 for Apple iMac Core i7 2.8 27-inch Late 2009

  • Capacity16GB (4 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 16 GB kit fills all four iMac slots
  • DDR3 1066 MHz CL7 matches Apple spec
  • 204-pin SODIMM form factor fits late-2009 27-inch iMac
  • 5 V unbuffered non-ECC design for stable operation
  • Four matched 4 GB modules enable dual-channel performance

Targeted Mac upgrade

This 16 GB kit is built specifically for the Apple iMac "Core i7" 2.8 27-Inch from Late 2009. It delivers the exact DDR3 1066 MHz specification that model requires. Buyers who need memory for any other Mac or PC platform should look elsewhere.

Four-slot capacity ceiling

Four 4 GB modules fill every available socket and reach the machine's 16 GB limit. The CL7 timing and 1.5 V voltage match the original specification, so the system runs at full rated speed. Users who want more than 16 GB cannot expand further on this hardware.

Direct drop-in installation

The 204-pin SO-DIMM form factor slides straight into the iMac's memory slots without adapters or configuration changes. Unbuffered, non-ECC design keeps compatibility simple. Builders working on non-Apple systems or newer Macs will find these modules physically and electrically incompatible.

商品特色

  • 16 GB kit fills all four iMac slots
  • DDR3 1066 MHz CL7 matches Apple spec
  • 204-pin SODIMM form factor fits late-2009 27-inch iMac
  • 5 V unbuffered non-ECC design for stable operation
  • Four matched 4 GB modules enable dual-channel performance

商品規格

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity16GB (4 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac "Core I7" 2.8 27-Inch (Late 2009)
Package Content4 Memory RAM Sticks

商品問答

Will the 4x4GB DDR3 1066MHz CL7 SODIMM kit run reliably alongside any existing 1066MHz modules I keep in my Late 2009 iMac?

Yes, all four sticks are PC3-8500 1066MHz CL7 1.5V unbuffered non-ECC 2Rx8 modules, so they match the iMac's native speed and timing; install them in the four SO-DIMM slots for 16GB total.

How can I verify the 16GB kit is recognised at the correct 1066MHz CL7 settings after installation?

Open About This Mac → System Report → Memory; you should see four 4GB DDR3 SODIMMs running at 1066MHz with CAS latency 7 and 1.5V voltage.

What exactly ships in the box and is anything else required to complete the upgrade?

The package contains four 4GB 204-pin DDR3 SODIMM sticks — nothing else is needed; the Late 2009 27-inch iMac has four accessible slots and no tools are required.

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