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  1. DDR2-533 / PC2-4200 (4)
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RamCity guarantees 100% that all modules below are compatible with the Apple iMac (G5) G5 2.1GHz (DDR2)

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RamCity 2GB CL4 240-pin DIMM
Part #. AMF • DDR2-533 / PC2-4200 • CL4 • 1.8V • 16-chip 128x8 •  more info
Buy new: $105.99 $82.99

7 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB 240-pin DIMM
Part #. KTA-IMAC533/2G • DDR2-533 / PC2-4200 • 1.8V •  more info
Buy new: $103.99 $80.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 1GB CL4 240-pin DIMM
Part #. ADA • DDR2-533 / PC2-4200 • CL4 • Dual Rank • 1.8V • 16-chip 64x8 •  more info
Buy new: $92.99 $72.99

1 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB 240-pin DIMM
Part #. KTA-IMAC533/1G • DDR2-533 / PC2-4200 • 1.8V •  more info
Buy new: $96.99 $75.99

Ships in 7 Days Free Shipping Guaranteed Compatible

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Comments:
  • Model Identifier: PowerMac12,1
Standard Memory:
  • 512MB (Non-removable)
Maximum Memory:
  • 2.5GB
Expansion:
  • 1 Socket
CPU/Chipset:
  • IBM PowerPC G5 2.1 GHz
Bus Architecture:
  • USB
Mfr's System P/N's:
  • MA064LL/A
Upgrade Path:
  • Virtually any configuration up to 2.5GB can be reached using 512MB, 1GB or 2GB modules.