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The HP Difference
   
    Quality you can count on
    Built to last with over 130,000 hours of testing on every computer
    we design, HP offers you a reliable and durable desktop that can
    go the distance.

    Support at your fingertips
    HP Total care and a worldwide network of partners
    help you to get the most out of your technology investment.
» Desktop Innovations
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HP 505B Microtower PC
HP 500B Microtower PC
HP Pro 3400 Microtower PC
HP Pro 3405 Microtower PC
HP 505B Microtower PC HP 500B Microtower PC HP Pro 3400 Microtower PC HP Pro 3405 Microtower PC
Operating system Genuine Windows® 7 Professional 64-bit
Genuine Windows® 7 Professional 32-bit
Genuine Windows® 7 Home Premium 64-bit
Genuine Windows® 7 Home Premium 32-bit
Genuine Windows® 7 Home Basic 64-bit
Genuine Windows® 7 Starter
Novell SUSE Linux Enterprise Desktop 11
FreeDOS
Genuine Windows® 7 Professional 64-bit
Genuine Windows® 7 Professional 32-bit
Genuine Windows® 7 Home Premium 64-bit
Genuine Windows® 7 Home Premium 32-bit
Genuine Windows® 7 Home Basic 64-bit
Genuine Windows® 7 Home Basic 32-bit
Genuine Windows® 7 Starter
Novell SUSE Linux Enterprise Desktop 11
FreeDOS
Genuine Windows® 7 Professional 32
Genuine Windows® 7 Professional 64
Genuine Windows® 7 Home Premium 64
FreeDOS
Genuine Windows® 7 Professional 32
Genuine Windows® 7 Professional 64
Genuine Windows® 7 Home Premium 64
FreeDOS
Operating system
Processor family AMD Phenom II X2
AMD Athlon II X4
AMD Athlon II X3
AMD Athlon II X2
AMD Sempron
Intel® Core™2 Duo
Intel® Pentium® Dual-Core
Intel® Celeron® Dual-Core
2nd Generation Intel® Core™ i7
2nd Generation Intel® Core™ i5
2nd Generation Intel® Core™ i3
Intel® Pentium® Dual-Core
Intel® Celeron® Dual-Core
Intel® Celeron®
AMD Quad-Core
AMD Dual-Core
Processor family
Chipset NVIDIA nForce 430 Intel® G41 Express Intel® H61 Express AMD A55 FCH Chipset
Memory, maximum Upgradeable to 4 GB Upgradeable to 4 GB Upgradeable to 8 GB Upgradeable to 8 GB Memory, maximum
Internal drive SATA (7200 rpm)
From: 160 GB
Up to: 750 GB
SATA (7200 rpm)
From: 160 GB
Up to: 1 TB
SATA (7200 rpm)
From: 250 GB
Up to: 1 TB
SATA (7200 rpm)
From: 250 GB
Up to: 1 TB
Internal drive
Slots 1 full-height PCIe x16
2 full-height PCIe x1
1 full-height PCI 2.3
1 full-height PCIe x16
2 full-height PCIe x1
1 full-height PCI 2.3
1 full-height PCIe x16
1 mini PCI
3 full-height PCIe x1
1 full-height PCIe x16
1 mini PCI
3 full-height PCIe x1
Slots


* Except where noted, all prices are estimated U.S. HP prices. Actual prices from other locations or websites may vary.

** Leasing information, where displayed, is for a 48-month lease. Shipping and tax not included. Details

*** Savings based on preconfigured SmartBuy pricing versus configuring to order. Pricing is available at HP.com and participating resellers and is subject to change without notice.



  Systems may require upgraded and/or separately purchased hardware to take full advantage of Windows 7 functionality. Not all features are available in all editions of Windows 7. See www.microsoft.com/windows/windows-7 for details.
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