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  1. 1 (3)
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  1. 1GB (2)
  2. 512MB (1)
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  1. Kingston (1)
  2. RamCity (2)
Speed
  1. DDR-266 / PC2100 (2)
Form Factor
  1. 184-pin DIMM (3)
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  1. CL2.5 (3)
Voltage
  1. 2.5V (3)
 

RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Pavilion 700 Series Desktop 711a/720d/721a/721d/731k

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Kingston 1GB CL2.5 184-pin DIMM
Part #. KTC-PR266/1G • CL2.5 • 2.5V •  more info
Buy new: $160.99 $125.99

1 in Stock Free Shipping Guaranteed Compatible

RamCity 1GB CL2.5 184-pin DIMM
Part #. ACI • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 64Mx8 •  more info
Buy new: $100.99 $78.99

8 in Stock Free Shipping Guaranteed Compatible

RamCity 512MB CL2.5 184-pin DIMM
Part #. ACS • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 32Mx8 •  more info
Buy new: $78.99 $61.99

2 in Stock 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
Standard Memory:
  • 256MB (Removable)
Maximum Memory:
  • 2GB
Expansion:
  • 2 Sockets
CPU/Chipset:
  • Intel Pentium 4 1.6 GHz
  • Intel Pentium 4 1.8 GHz
Bus Architecture:
  • AGP; PCI
Mfr's System P/N's:
  • P6381A; P7541A; P7542A; P7545A; P7550A
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using any combination of 512MB and 1GB modules.