The HP/Compaq Pro 3400 uses DDR3 DIMM PC3-10600 1333MHz 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 DDR3 DIMM PC3-10600 1333MHz
Base Memory 2 GB (Removable) or 4 GB (Removable) or 6 GB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 4 GB with 32-bit OS 8 GB with 64-bit OS
Maximum Module Size 4GB
CPU & Chipset Intel Core i3 3.3 GHz Intel H61
Bus Architecture PCI Express; SSD - SATA 2.5-inch 9.5mm; USB
Notes MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of dual-channel support. Maximum configurations require a 64-bit operating system.
Manufacturer Part Numbers
  • XZ939UT
Part Number 821C9
1333MHz 240pin CL9
In Stock
$12.99
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Part Number 82.5C9
1333MHz 240pin CL9
Call to Order
$18.99
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Part Number 822C9
1333MHz 240pin CL9
In Stock
$18.99
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Part Number 821C9H
1333MHz 240pin CL9
In Stock
$19.99
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Part Number 821C9-2
1333MHz 240pin CL9
In Stock
$24.99
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Part Number 822SC9
1333MHz 240pin CL9 Single Rank
Call to Order
$27.99
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Part Number 82.5C9H
1333MHz 240pin CL9
Call to Order
$29.99
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Part Number 822C9H
1333MHz 240pin CL9
In Stock
$29.99
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Part Number 824C9
1333MHz 240pin CL9
In Stock
$30.99
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Part Number 822C9-2
1333MHz 240pin CL9
In Stock
$37.99
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Part Number 821C9-2H
1333MHz 240pin CL9
In Stock
$39.99
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Part Number 822SC9H
1333MHz 240pin CL9 Single Rank
Call to Order
$44.99
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Part Number 824C9H
1333MHz 240pin CL9
In Stock
$49.99
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Part Number 822C9-2H
1333MHz 240pin CL9
In Stock
$59.99
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Part Number 824C9-2
1333MHz 240pin CL9
In Stock
$61.99
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Part Number 824C9-2H
1333MHz 240pin CL9
In Stock
$99.99
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Part Number 824C9-2
1333MHz 240pin CL9
In Stock
$61.99
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Part Number 824C9-2H
1333MHz 240pin CL9
In Stock
$99.99
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Part Number 824C9
1333MHz 240pin CL9
In Stock
$30.99
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Part Number 822C9-2
1333MHz 240pin CL9
In Stock
$37.99
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Part Number 824C9H
1333MHz 240pin CL9
In Stock
$49.99
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Part Number 822C9-2H
1333MHz 240pin CL9
In Stock
$59.99
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Part Number 822C9
1333MHz 240pin CL9
In Stock
$18.99
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Part Number 821C9-2
1333MHz 240pin CL9
In Stock
$24.99
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Part Number 822SC9
1333MHz 240pin CL9 Single Rank
Call to Order
$27.99
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Part Number 822C9H
1333MHz 240pin CL9
In Stock
$29.99
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Part Number 821C9-2H
1333MHz 240pin CL9
In Stock
$39.99
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Part Number 822SC9H
1333MHz 240pin CL9 Single Rank
Call to Order
$44.99
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Part Number 821C9
1333MHz 240pin CL9
In Stock
$12.99
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Part Number 821C9H
1333MHz 240pin CL9
In Stock
$19.99
View Product
Part Number 82.5C9
1333MHz 240pin CL9
Call to Order
$18.99
View Product
Part Number 82.5C9H
1333MHz 240pin CL9
Call to Order
$29.99
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
KTH9600B/1G 1GB DDR3 PC3-10600 1333MHz DIMM Kingston 821C9
KTH9600B/2G 2GB DDR3 PC3-10600 1333MHz DIMM Kingston 822C9
KTH9600BS/2G 2GB DDR3 PC3-10600 1333MHz Single Rank DIMM Kingston 822SC9
KTH9600B/4G 4GB DDR3 PC3-10600 1333MHz DIMM Kingston 824C9