The HP/Compaq Integrity BL860c uses DDR2 DIMM ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz 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 DDR2 DIMM ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz
Base Memory 1GB (Removable)
Upgrade Slots 12 Sockets (6 banks of 2)
Maximum Memory 48GB
Maximum Module Size 4GB
CPU & Chipset Intel Itanium 2
Bus Architecture ~
Manufacturer Part Numbers
  • AD217A
  • AD217B
  • AD323A
Part Number 522ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$15.99
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Part Number 521ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$23.99
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Part Number 531ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$23.99
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Part Number 522ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$24.99
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Part Number 53.2ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$26.99
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Part Number 52.5ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$29.99
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Part Number 522ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$30.99
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Part Number 521ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$37.99
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Part Number 531ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$37.99
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Part Number 532ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$37.99
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Part Number 53.2ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$42.99
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Part Number 52.2ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 521ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 53.5ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 531ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 52.5ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$47.99
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Part Number 522ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$49.99
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Part Number 53.2ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$52.99
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Part Number 52.5ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$58.99
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Part Number 532ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$59.99
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Part Number 522ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
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Part Number 524ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
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Part Number 534ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$61.99
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Part Number 52.2ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 521ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 53.5ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 531ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 532ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 53.2ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$84.99
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Part Number 52.2ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 521ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 53.5ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 531ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 52.5ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$94.99
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Part Number 522ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
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Part Number 524ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
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Part Number 534ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$99.99
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Part Number 52.5ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$117.99
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Part Number 532ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$119.99
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Part Number 524ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$123.99
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Part Number 534ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$123.99
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Part Number 534ERDC5-2
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$123.99
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Part Number 532ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$148.99
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Part Number 52.2ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
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Part Number 521ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
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Part Number 53.5ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 531ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 53.5ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$185.99
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Part Number 52.5ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$189.99
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Part Number 524ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$199.99
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Part Number 534ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$199.99
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Part Number 534ERDC5-2H
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$199.99
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Part Number 532ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$239.99
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Part Number 524ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$247.99
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Part Number 534ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$247.99
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Part Number 53.5ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$299.99
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Part Number 524ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$399.99
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Part Number 534ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$399.99
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Part Number 524ERC7-8
533MHz 240pin CL7 Registered ECC
In Stock
$495.99
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Part Number 534ERC7-8
667MHz 240pin CL7 Registered ECC
In Stock
$495.99
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Part Number 524ERC7-8H
533MHz 240pin CL7 Registered ECC
In Stock
$799.99
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Part Number 534ERC7-8H
667MHz 240pin CL7 Registered ECC
In Stock
$799.99
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Part Number 524ERC7-8
533MHz 240pin CL7 Registered ECC
In Stock
$495.99
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Part Number 534ERC7-8
667MHz 240pin CL7 Registered ECC
In Stock
$495.99
View Product
Part Number 524ERC7-8H
533MHz 240pin CL7 Registered ECC
In Stock
$799.99
View Product
Part Number 534ERC7-8H
667MHz 240pin CL7 Registered ECC
In Stock
$799.99
View Product
Part Number 524ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$247.99
View Product
Part Number 534ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$247.99
View Product
Part Number 524ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$399.99
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Part Number 534ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$399.99
View Product
Part Number 522ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
View Product
Part Number 522ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
View Product
Part Number 524ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$123.99
View Product
Part Number 534ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$123.99
View Product
Part Number 534ERDC5-2
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$123.99
View Product
Part Number 532ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$148.99
View Product
Part Number 524ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$199.99
View Product
Part Number 534ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$199.99
View Product
Part Number 534ERDC5-2H
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$199.99
View Product
Part Number 532ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$239.99
View Product
Part Number 522ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$30.99
View Product
Part Number 522ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$49.99
View Product
Part Number 524ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
View Product
Part Number 534ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$61.99
View Product
Part Number 532ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
View Product
Part Number 521ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
View Product
Part Number 531ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$92.99
View Product
Part Number 524ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
View Product
Part Number 534ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$99.99
View Product
Part Number 532ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$119.99
View Product
Part Number 521ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 531ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 522ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$15.99
View Product
Part Number 522ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$24.99
View Product
Part Number 532ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$37.99
View Product
Part Number 521ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 531ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 532ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$59.99
View Product
Part Number 521ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
View Product
Part Number 531ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
View Product
Part Number 52.5ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$117.99
View Product
Part Number 53.5ERC7-4
667MHz 240pin CL7 Registered ECC
In Stock
$185.99
View Product
Part Number 52.5ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$189.99
View Product
Part Number 53.5ERC7-4H
667MHz 240pin CL7 Registered ECC
In Stock
$299.99
View Product
Part Number 521ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$23.99
View Product
Part Number 531ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$23.99
View Product
Part Number 521ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$37.99
View Product
Part Number 531ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$37.99
View Product
Part Number 52.5ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$58.99
View Product
Part Number 53.5ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$92.99
View Product
Part Number 52.5ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$94.99
View Product
Part Number 53.5ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 52.5ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$29.99
View Product
Part Number 53.5ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 52.5ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$47.99
View Product
Part Number 53.2ERC7-2
667MHz 240pin CL7 Registered ECC
In Stock
$52.99
View Product
Part Number 53.5ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$74.99
View Product
Part Number 53.2ERC7-2H
667MHz 240pin CL7 Registered ECC
In Stock
$84.99
View Product
Part Number 52.2ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
View Product
Part Number 52.2ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 53.2ERC7
667MHz 240pin CL7 Registered ECC
In Stock
$26.99
View Product
Part Number 53.2ERC7H
667MHz 240pin CL7 Registered ECC
In Stock
$42.99
View Product
Part Number 52.2ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 52.2ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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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
KTH-RX2660K2/1G 1GB Kit of 2 512MB DDR2 PC2-4200 533MHz ECC REG DIMM Kingston 52.5ERC7-2
KTH-RX2660K2/2G 2GB Kit of 2 1GB DDR2 PC2-4200 533MHz ECC REG DIMM Kingston 521ERC7-2
KTH-BL860K2/4G 4GB Kit of 2 2GB DDR2 PC2-4200 533MHz 278pin DIMM Kingston OP622-2
KTH-BL860K2/8G 8GB Kit of 2 4GB DDR2 PC2-4200 533MHz ECC REG DIMM Kingston 524ERC7-2
CT794703 8GB Kit of 2 4GB DDR2 PC2-5300 667MHz ECC REG Dual Rank DIMM Crucial 534ERDC5-2