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

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 8GB (2x4GB) DDR3 1066MHz CL7 1.5V 204-pin SO-DIMM

SKU CH-2ZMG-JEF8R

8GB dual-channel DDR3 SO-DIMM kit rated at 1066 MHz CL7 for the 21.5-inch mid-2010 iMac

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB dual-channel kit upgrades compatible iMac models
  • DDR3 1066 MHz CL7 timing delivers responsive system performance
  • 5 V standard voltage matches original Apple specifications
  • 204-pin SO-DIMM form factor fits mid-2010 21.5-inch iMac slots
  • Two 4 GB modules enable full 8 GB maximum capacity

System-Specific SO-DIMM Kit

This 8 GB kit contains two 4 GB DDR3 modules built for the Apple iMac 21.5 inch Mid 2010 with Intel Core i3 or i5 processors. The 204-pin SO-DIMM form factor matches the factory slots exactly. Computer Memory Solutions validates compatibility for this specific model.

Upgrade From 4 GB or 6 GB

The iMac Mid 2010 ships with 4 GB or 6 GB and supports a maximum of 8 GB across its two slots. Replacing the original modules with this matched pair reaches the platform limit in one step. The jump is worthwhile when macOS or applications show memory pressure during everyday multitasking.

Straightforward Slot Access

The memory compartment sits behind the bottom-edge door secured by three captive screws. No tools beyond a Phillips screwdriver are required and the modules key into the 204-pin slots without force. Installers sometimes forget to seat both sticks fully, leaving one slot undetected on first boot.

商品特色

  • 8GB dual-channel kit upgrades compatible iMac models
  • DDR3 1066 MHz CL7 timing delivers responsive system performance
  • 5 V standard voltage matches original Apple specifications
  • 204-pin SO-DIMM form factor fits mid-2010 21.5-inch iMac slots
  • Two 4 GB modules enable full 8 GB maximum capacity

商品規格

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity8GB (2 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 Intel Core I3/ I5 21.5 Inch ( Mid 2010)
Package Content2 Memory RAM Sticks

商品問答

Will the 204-pin SO-DIMM modules fit the memory slots in my Mid 2010 21.5-inch iMac?

Yes, the 204-pin DDR3 SO-DIMM form factor matches the two SO-DIMM slots in the 21.5-inch iMac (Mid 2010) and the kit provides the 8 GB maximum that model supports.

What is the correct way to seat the two 4 GB sticks so the iMac recognises the full 8 GB?

Power off and unplug the iMac, open the bottom memory door, insert each module at an angle until the gold contacts disappear, then press down firmly until both side clips click — the common mistake is stopping before the clips engage.

Do these unbuffered non-ECC DDR3 modules need any firmware updates or periodic replacement?

No firmware updates are required; the modules are solid-state with no moving parts, so they do not wear out under normal use and do not have a scheduled replacement interval.

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