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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Integrity rx1620 / rx1620-2

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RamCity 4GB CL2.5 ECC Registered 184-pin DIMM Kit (2x2GB)
Part #. 2xAGE • DDR-266 / PC2100 • CL2.5 • ECC • Registered • 2.5V •  more info
Buy new: $301.99 $235.99

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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:
  • 512MB (Removable)
Maximum Memory:
  • 16GB
Expansion:
  • 8 Sockets (4 banks of 2)
CPU/Chipset:
  • Intel Itanium 2 1.3 GHz HP zx1
  • Intel Itanium 2 1.6 GHz HP zx1
Bus Architecture:
  • AGP; PCI
Mfr's System P/N's:
  • AB430A; AB431A
Upgrade Path:
  • Any combination of 4GB kits can be installed to reach configurations up to 16GB.