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Two green DDR3 SO-DIMM memory modules with gold contacts

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz SO-DIMM for iMac 21.5" Mid-2010

SKU CH-RS8S-ADQYB

8GB kit of two DDR3 1333MHz SO-DIMM modules for the 21.5-inch iMac from mid-2010

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB dual-channel kit doubles iMac memory capacity
  • CL7 timing at 1333MHz delivers responsive DDR3 performance
  • 5V unbuffered modules install without configuration
  • 204-pin SO-DIMM form factor matches mid-2010 iMac slots
  • Major-brand chipset ensures reliable operation in Apple systems

Compatible iMac Upgrade Kit

This 8 GB kit contains two 4 GB DDR3 SO-DIMM modules built for the 21.5-inch iMac released in mid-2010 with a 3.2 GHz Core i3 processor. The modules run at 1333 MHz with CL7 timing and operate at the standard 1.5 V. They are unbuffered, non-ECC and use a 204-pin layout.

Replaces Factory 4 GB Configurations

The mid-2010 iMac shipped with 4 GB across four slots; this kit fills two slots to double the baseline capacity. The jump is worthwhile when macOS or creative applications show memory pressure on the stock amount. Maximum supported memory for this model is 16 GB, so two additional slots remain open for further expansion.

Suits Owners of the Listed iMac

Buyers with the exact mid-2010 21.5-inch Core i3 iMac (model identifiers MC509LL/A, iMac11,2, A1311) can install these modules with guaranteed compatibility. Builders working on any other Mac, PC laptop or desktop should look elsewhere because the DDR3 SO-DIMM pinout and timing are specific to this system.

商品特色

  • 8GB dual-channel kit doubles iMac memory capacity
  • CL7 timing at 1333MHz delivers responsive DDR3 performance
  • 5V unbuffered modules install without configuration
  • 204-pin SO-DIMM form factor matches mid-2010 iMac slots
  • Major-brand chipset ensures reliable operation in Apple systems

商品規格

BrandComputer Memory Solutions
ModelCM5126410600SODRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac "Core I3" 3.2 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 21.5-inch Mid-2010 iMac?

Yes, the 204-pin DDR3 SO-DIMM form factor matches the four slots inside the 21.5-inch Mid-2010 iMac.

Which side of the module clicks in first when I install the RAM in the bottom slot?

Insert the gold-edge connector at a slight angle, then press down evenly until both retention clips snap shut; the notch near the centre prevents backward insertion.

When should I consider replacing these 1.5 V DDR3 modules?

Replace them only if the iMac fails to boot, shows repeated kernel panics or memory errors after testing each stick individually.

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