The HP/Compaq Kayak XU PIII Xeon 550 uses SDRAM DIMM ECC PC100 100MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type SDRAM DIMM ECC PC100 100MHz
Base Memory 128MB (Removable) 256MB (Removable)
Upgrade Slots 4 Sockets
Maximum Memory 1GB using current Quantum Technology unbuffered memory 2GB using registered memory
Maximum Module Size 512MB
CPU & Chipset Intel Pentium III Xeon 550 MHz
Bus Architecture ISA; PCI
Manufacturer Part Numbers
  • D6345T/N
  • D6346T/N
  • D6347N
  • D6347T/N
  • D6348T
  • D6348T/N
  • D8920T
  • D8923T
Part Number 11.1EC3
100MHz 144pin CL3 ECC
In Stock
$30.99
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Part Number 11/64mEC3
100MHz 144pin CL3 ECC
In Stock
$30.99
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Part Number 11.5EC3
100MHz 144pin CL3 ECC
In Stock
$40.99
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Part Number 11.2EC3
100MHz 144pin CL3 ECC
In Stock
$44.99
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Part Number 11.1EC3H
100MHz 144pin CL3 ECC
In Stock
$48.99
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Part Number 11/64mEC3H
100MHz 144pin CL3 ECC
In Stock
$48.99
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Part Number 11.5EC3H
100MHz 144pin CL3 ECC
In Stock
$64.99
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Part Number 11.2EC3H
100MHz 144pin CL3 ECC
In Stock
$71.99
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Part Number 11.5EC3-2
100MHz 144pin CL3 ECC
In Stock
$80.99
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Part Number 11.2EC3-2
100MHz 144pin CL3 ECC
In Stock
$88.99
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Part Number 11.5EC3-2H
100MHz 144pin CL3 ECC
In Stock
$129.99
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Part Number 11.2EC3-2H
100MHz 144pin CL3 ECC
In Stock
$142.99
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Part Number 11.5EC3-2
100MHz 144pin CL3 ECC
In Stock
$80.99
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Part Number 11.5EC3-2H
100MHz 144pin CL3 ECC
In Stock
$129.99
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Part Number 11.5EC3
100MHz 144pin CL3 ECC
In Stock
$40.99
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Part Number 11.5EC3H
100MHz 144pin CL3 ECC
In Stock
$64.99
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Part Number 11.2EC3-2
100MHz 144pin CL3 ECC
In Stock
$88.99
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Part Number 11.2EC3-2H
100MHz 144pin CL3 ECC
In Stock
$142.99
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Part Number 11.2EC3
100MHz 144pin CL3 ECC
In Stock
$44.99
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Part Number 11.2EC3H
100MHz 144pin CL3 ECC
In Stock
$71.99
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Part Number 11.1EC3
100MHz 144pin CL3 ECC
In Stock
$30.99
View Product
Part Number 11.1EC3H
100MHz 144pin CL3 ECC
In Stock
$48.99
View Product
Part Number 11/64mEC3
100MHz 144pin CL3 ECC
In Stock
$30.99
View Product
Part Number 11/64mEC3H
100MHz 144pin CL3 ECC
In Stock
$48.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTH6521/32 32MB ECC Module Kingston
KTH6521/64 64MB ECC Module Kingston
KTH6521/128 128MB SDRAM PC100 100MHz ECC SODIMM Kingston 11.1EC3
KTH6521/256 256MB ECC Module Kingston
KTH6742/512 512MB ECC Module Kingston