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Two green DDR2 DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM256644200DIMMDR 4GB (2x2GB) DDR2 533 memory upgrade

SKU CH-AFXW-GNK6X

A 4 GB kit of two 2 GB DDR2 533 DIMMs built for Apple Power Mac G5 Dual 2 GHz and Quad 2.5 GHz systems from 2005

  • Capacity4GB (2 x 2GB)
  • Type240-Pin DDR2 SDRAM
  • SpeedDDR2 533 (PC2 4200)
  • CAS LatencyCL4
  • Timing4-4-4
  • Voltage1.8V
  • 4GB kit (2 × 2GB) expands the Power Mac G5 to its 16GB maximum
  • DDR2-533 (PC2-4200) CL4 1.8V modules match the factory memory specification
  • 240-pin unbuffered non-ECC DIMMs install directly into the eight available sockets
  • Tested compatible with Apple Power Mac G5 Dual 2GHz M9590LL/A and Quad 2.5GHz M9592LL/A
  • Computer Memory Solutions limited lifetime warranty backs the upgrade

Targeted Apple G5 Upgrade

This 4GB kit contains two 2GB 240-pin DDR2 DIMMs rated at 533 MHz with CL4 timing and 1.8 V operation. The modules are unbuffered, non-ECC and built with major-brand chipsets. They are validated for the Apple Power Mac G5 Dual 2GHz (M9590LL/A) and related Late 2005 models.

Suits G5 owners adding matched pairs

Owners of the listed Power Mac G5 systems who need a matched pair to fill available slots will benefit from the guaranteed compatibility. Builders working on any other platform, or who require ECC, registered modules, or a different DDR generation, should look elsewhere because this kit is DDR2 only and not interchangeable with newer standards.

Two sticks enable dual-channel operation

The package supplies exactly two DIMMs so the G5 memory controller can run in dual-channel mode when installed in the correct slot pairs. No heat spreaders, software utilities or extra cables are included; the lifetime warranty from Computer Memory Solutions applies when purchased directly from the manufacturer.

Pontos fortes

  • 4GB kit (2 × 2GB) expands the Power Mac G5 to its 16GB maximum
  • DDR2-533 (PC2-4200) CL4 1.8V modules match the factory memory specification
  • 240-pin unbuffered non-ECC DIMMs install directly into the eight available sockets
  • Tested compatible with Apple Power Mac G5 Dual 2GHz M9590LL/A and Quad 2.5GHz M9592LL/A
  • Computer Memory Solutions limited lifetime warranty backs the upgrade

Especificações

BrandComputer Memory Solutions
ModelCM256644200DIMMDR
Capacity4GB (2 x 2GB)
Type240-Pin DDR2 SDRAM
SpeedDDR2 533 (PC2 4200)
CAS LatencyCL4
Timing4-4-4
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Power Mac G5 Dual 2Ghz, M9590Ll/A
Package Content2 Memory RAM Sticks

Perguntas sobre este artigo

Does my Apple Power Mac G5 need 240-pin DDR2 slots to use this CM256644200DIMMDR kit?

Yes, each module is a 240-pin DDR2 DIMM and the compatible systems listed use that slot type.

Will the 533 MHz speed of these modules match the memory bus of a Late 2005 Power Mac G5?

The kit is rated DDR2 533 (PC2-4200) and the supplier confirms compatibility with the Late 2005 Dual 2 GHz and Quad 2.5 GHz models.

How can I verify both 2 GB sticks are recognised after installation?

The system profiler should show 4 GB total across the eight available slots, confirming both modules are detected.

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