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Two green DDR3 SODIMM modules with black chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz SODIMM 21.5" iMac memory upgrade

SKU CH-X31Q-KJPHK

8GB DDR3 SODIMM kit (2×4GB) at 1333 MHz for 21.5" iMac Intel Core i3/i5 models

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB dual-channel kit boosts multitasking on 21.5" iMac
  • DDR3-1333 CL7 timing delivers responsive system performance
  • 204-pin SODIMM form factor fits Intel Core i3/i5 models
  • 5V unbuffered non-ECC design matches factory specifications
  • Major-brand chipset ensures reliable long-term operation

System-specific DDR3 SO-DIMM kit

This 8 GB kit contains two 4 GB modules built to the DDR3 1333 standard with CL7 timing and 1.5 V operation. It is assembled for the 21.5" Intel Core i3/i5 iMac and uses 204-pin unbuffered, non-ECC SO-DIMMs from a major brand chipset.

Suits owners of the listed 21.5" iMac

The kit matches the factory slot count and maximum per-slot capacity for that model. Builders working on any other Mac, on a PC laptop, or on a desktop that requires registered or ECC memory should look elsewhere.

204-pin DDR3 1333 SO-DIMM interface

Only systems that accept 204-pin DDR3 1333 unbuffered non-ECC modules can use this kit; the pin count, voltage and signalling standard are fixed and not interchangeable with other memory generations.

Punti di forza

  • 8GB dual-channel kit boosts multitasking on 21.5" iMac
  • DDR3-1333 CL7 timing delivers responsive system performance
  • 204-pin SODIMM form factor fits Intel Core i3/i5 models
  • 5V unbuffered non-ECC design matches factory specifications
  • Major-brand chipset ensures reliable long-term operation

Caratteristiche tecniche

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 Intel Core I3/I5 21.5"
Package Content2 Memory RAM Sticks

Domande su questo articolo

Does the kit include both memory modules or do I need to order a second stick?

The package contains two 4 GB DDR3 SODIMM sticks for a total of 8 GB, so nothing else is required for the upgrade.

Should I choose the 1333 MHz CL7 version or a different speed for my 21.5 inch iMac?

This kit is rated at DDR3 1333 (PC3 10600) with CL7 timing and 1.5 V, matching the specification for the Intel Core i3/i5 21.5 inch iMac.

Will 1333 MHz DDR3 actually run at that speed once installed in the iMac?

The modules operate at DDR3 1333 with CL7 7-7-7 timing at 1.5 V, delivering the rated performance in the compatible iMac.

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