Get workstation performance with next-generation graphics at prices you’d expect from a desktop PC. Available as a Convertible Minitower or a Small Form Factor, HP offers the enterprise-class design that fits you best. Choose the expansive Convertible Minitower or the space-saving Small Form Factor design – both complete with tool-free chassis that make adding hard drives & upgrading memory a snap. Take advantage of world class architecture with the latest in connectivity for external storage devices & peripherals. Transfer data 10x faster than USB (Universal Serial Bus) 2.0 ports with four integrated super-speed USB (Universal Serial Bus) 3.0 ports Give memory intensive applications a boost with 1600 MHz DDR3 memory technology & support for ECC memory configurations to help protect your data integrity. Processor Intel Core i 3-3240 3.40 GHz 3MB cache, 2 cores Intel PCH C216 Chipset Memory 4GB 1600 M Hz DDR3 non-ECC Unbuffered RAM 4 x DIMM slot Hard Drive 500GB 7200rpm SATA NCQ Optical Drive SATA Super Multi DVD writer Software Operating System: Windows 7 Professional 64 Display None Graphics NVIDIA Quadro 410 512MB Audio Integrated High Definition Realtek ALC221 Audio with Line in, Line Out, Microphone, Headphone Networking Integrated Intel 82579LM Power Supply 400W 90% efficient, wide-ranging, Active Power Factor Correction

Dimensions Width 17.8 cm Depth 45.5 cm Height 44.7 cm Weight Starting at 10.4kg Interfaces 4 USB (Universal Serial Bus) 3.0 5 USB (Universal Serial Bus) 2.0 2 microphone 1 headphone 1 audio line in 1 audio line out 1 RJ-45 2 PS/2 Expansion 1 PCIe Gen 3 x 16 1 PCIe Gen 2 x 4 (x 16 connector) 1 PCIe Gen 2 x 4 (x 8 connector) 2 PCIe Gen 2 x 1 2 PCI Internal drive bays
- Three 3.5" External drive bays
- Three 5.25" Warranty 3 Year Manufacturer Warranty



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Get workstation performance with next-generation graphics at prices you’d expect from a desktop PC. Available as a Convertible Minitower or a Small Form Factor, HP offers the enterprise-class design that fits you best. Choose the expansive Convertible Minitower or the space-saving Small Form Factor design – both complete with tool-free chassis that make adding hard drives & upgrading memory a snap. Take advantage of world class architecture with the latest in connectivity for external storage devices & peripherals. Transfer data 10x faster than USB (Universal Serial Bus) 2.0 ports with four integrated super-speed USB (Universal Serial Bus) 3.0 ports Give memory intensive applications a boost with 1600 MHz DDR3 memory technology & support for ECC memory configurations to help protect your data integrity. Processor Intel Xeon E3-1245v 3.40 GHz 8MB cache, 4 cores Intel PCH C216 Chipset Memory 8GB 1600 M Hz DDR3 non-ECC Unbuffered RAM 4 x DIMM slot Hard Drive 1TB 7200rpm SATA NCQ Optical Drive SATA Super Multi DVD writer Software Operating System: Windows 7 Professional 64 Display None Graphics Intel HD Graphics 4000 Audio Integrated High Definition Realtek ALC221 Audio with Line in, Line Out, Microphone, Headphone Networking Integrated Intel 82579LM Power Supply 400W 90% efficient, wide-ranging, Active Power Factor Correction

Dimensions Width 17.8 cm Depth 45.5 cm Height 44.7 cm Weight Starting at 10.4kg Interfaces 4 USB (Universal Serial Bus) 3.0 5 USB (Universal Serial Bus) 2.0 2 microphone 1 headphone 1 audio line in 1 audio line out 1 RJ-45 2 PS/2 Expansion 1 PCIe Gen 3 x 16 1 PCIe Gen 2 x 4 (x 16 connector) 1 PCIe Gen 2 x 4 (x 8 connector) 2 PCIe Gen 2 x 1 2 PCI Internal drive bays
- Three 3.5" External drive bays
- Three 5.25" Warranty 3 Year Manufacturer Warranty



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Get workstation performance with next-generation graphics at prices you’d expect from a desktop PC. Available as a Convertible Minitower or a Small Form Factor, HP offers the enterprise-class design that fits you best. Take advantage of world class architecture with the latest in connectivity for external storage devices & peripherals. Transfer data 10x faster than USB (Universal Serial Bus) 2.0 ports with four integrated super-speed USB (Universal Serial Bus) 3.0 ports Business-built & environmentally aware – featuring a 90% efficient power supply, BFR/PVC free configurations & your choice of ENERGY STAR qualified configurations. Processor Intel Core i 3-3240 3.40 GHz Memory 4 GB 1600 MHz DDR3 ECC Unbuffered RAM 4 x DIMM slot Hard Drive 500GB 7200 rpm SATA NCQ Optical Drive SATA Super Multi DVD writer Software Operating System: Windows 7 Professional 64 downgraded from Windows 8 Professional 64 Security Trusted Platform Module (TPM) 1.2 (TPM module disabled where use is restricted by law) Display Monitor Not Included Audio Integrated High Definition Realtek ALC221 Audio with Line in, Line Out, Microphone, Headphone Networking Integrated Intel 82579LM Power Supply 240W 90% efficient, wide-ranging, Active Power Factor Correction

Dimensions Width 17.8 cm Depth 45.5 cm Height 44.7 cm Weight 10.4kg Interfaces 1 audio line in 1 audio line out 1 headphone 1 microphone 1 RJ-45 1 serial 2 PS/2 4 USB (Universal Serial Bus) 3.0 6 USB (Universal Serial Bus) 2.0 Expansion 22-in-1 media card reader 1 PCIe Gen 3 x 16 1 PCIe Gen 2 x 4 (x 16 connector) 1 PCIe Gen 2 x 1 1 PCI Warranty 3 Year Manufacturer Warranty

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Get workstation performance with next-generation graphics at prices you’d expect from a desktop PC. Available as a Convertible Minitower or a Small Form Factor, HP offers the enterprise-class design that fits you best. Take advantage of world class architecture with the latest in connectivity for external storage devices & peripherals. Transfer data 10x faster than USB (Universal Serial Bus) 2.0 ports with four integrated super-speed USB (Universal Serial Bus) 3.0 ports Business-built & environmentally aware – featuring a 90% efficient power supply, BFR/PVC free configurations & your choice of ENERGY STAR qualified configurations. Processor Intel Core i 3-3240 3.40 GHz Memory 4 GB 1600 MHz DDR3 ECC Unbuffered RAM 4 x DIMM slot Hard Drive 500GB 7200 rpm SATA NCQ Optical Drive SATA Super Multi DVD writer Software Operating System: Windows 7 Professional 64 Security Trusted Platform Module (TPM) 1.2 (TPM module disabled where use is restricted by law) Display Monitor Not Included Graphics NVIDIA Quadro 410 Audio Integrated High Definition Realtek ALC221 Audio with Line in, Line Out, Microphone, Headphone Networking Integrated Intel 82579LM Power Supply 240W 90% efficient, wide-ranging, Active Power Factor Correction

Dimensions Width 17.8 cm Depth 45.5 cm Height 44.7 cm Weight 10.4kg Interfaces 1 audio line in 1 audio line out 1 headphone 1 microphone 1 RJ-45 1 serial 2 PS/2 4 USB (Universal Serial Bus) 3.0 6 USB (Universal Serial Bus) 2.0 Expansion 22-in-1 media card reader 1 PCIe Gen 3 x 16 1 PCIe Gen 2 x 4 (x 16 connector) 1 PCIe Gen 2 x 1 1 PCI Warranty 3 Year Manufacturer Warranty

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Get workstation performance with next-generation graphics at prices you’d expect from a desktop PC. Available as a Convertible Minitower or a Small Form Factor, HP offers the enterprise-class design that fits you best. Choose the expansive Convertible Minitower or the space-saving Small Form Factor design – both complete with tool-free chassis that make adding hard drives & upgrading memory a snap Take advantage of world class architecture with the latest in connectivity for external storage devices & peripherals. Transfer data 10x faster than USB (Universal Serial Bus) 2.0 ports with four integrated super-speed USB (Universal Serial Bus) 3.0 ports Processor Intel Core i 7-3770 3.40 GHz, 8 MB cache, 4 cores with Intel HD Graphics 4000 Intel PCH C216 Chipset Memory 8GB 1600 M Hz DDR3 SDRAM non-ECC Unbuffered 4 x DIMM slot Hard Drive 1TB 7200 rpm SATA NCQ Optical Drive SATA Super Multi DVD+/-RW Software Operating System: Windows 7 Pro 64 Display Not Included Graphics Integrated Intel HD Graphics AMD Fire Pro V3900 (1 GB) Audio Integrated High Definition Realtek ALC221 Audio with Line in, Line Out, Microphone, Headphone Input Devices HP PS/2 Standard Keyboard HP USB (Universal Serial Bus) Laser Mouse Networking Integrated Intel 82579LM Power Supply 240W 90% efficient, wide-ranging, Active Power Factor Correction

Dimensions Width 33.8 cm Depth 38.1 cm Height 10 cm Weight 7.5kg Interfaces 1 audio line in; 1 audio line out; 1 headphone; 1 microphone; 1 RJ-45; 1 serial; 2 PS/2; 4 USB (Universal Serial Bus) 3.0; 6 USB (Universal Serial Bus) 2.0 Expansion 1 22-in-1 media card reader 1 PCIe Gen 3 x 16; 1 PCIe Gen 2 x 4 (x 16 connector); 1 PCIe Gen 2 x 1; 1 PCI External Drive: One 13, 3 cm (5.25"); One 8, 9 cm (3.5") Internal Drives: One 8, 9 cm (3.5") Warranty 3 Year Manufacturer Warranty

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With its revolutionary new architecture & bold new industrial design, the HP Z400 Workstation helps you accomplish more with every minute of your time & every dollar of your investment. Work smarter: run more tasks, processes & applications simultaneously with a workstation that brings together & optimizes the latest processors, memory, graphics & storage technologies. Designed with the environment in mind: minimize power & cooling costs with ENERGY STAR qualified systems featuring 85% efficient power supplies & an HP-developed energy-saving feature that helps lower energy consumption in off mode Processor Intel Xeon Quad-Core Processor W3550 3.06 G Hz, 8 MB cache 1066 MHz Intel X58 Express Memory 6GB DDR3 RAM 6 x DIMM Hard Drive 500GB SATA Optical Drive Super Multi DVD-RW SATA Software Operating System: Genuine Windows 7 Professional 64 Display Monitor Not Included Graphics NVIDIA Quadro 2000 (1 GB) Audio Integrated High Definition Realtek ALC262 Audio Networking LAN Integrated Broadcom 5764 10/100/1000 PCIe Power Supply 475 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply

Dimensions Width 45.53 cm Depth 45.02 cm Height 16.79 cm Weight 13.5kg Interfaces 12 USB (Universal Serial Bus) 2.0 1 IEEE 1394a 1 audio in 2 audio out 2 microphone in 2 PS/2 1 RJ-45 Expansion PCI Express Gen 2 x 16; 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically); 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically); 2 PCI; 1 22-in-1 Media Card Reader 2 internal 3.5" bays 3 external 5.25" bays Warranty 3 Year Manufacturer Warranty

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With its revolutionary architecture & power that will redefine multi-tasking, the HP Z400 Workstation helps you accomplish more with every minute of your time & every dollar of your investment. Processor Intel Xeon Quad-Core Processor W3550 3.06 G Hz, 8 MB cache, 1066 M Hz memory Intel X58 Express Memory 6GB 1333 M Hz DDR3 ECC Unbuffered 4 x DIMM slot Hard Drive 1TB SATA Optical Drive 16X SATA Super Multi Light Scribe DVD+/-RW Software Operating System: Genuine Windows 7 Professional 64 Display Monitor Not Included Graphics None Audio Integrated High Definition Realtek ALC262 Audio Networking Integrated Broadcom 5764 10/100/1000 PCIe LAN, Power Supply 475 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply

Dimensions Width 45.53 cm Depth 45.02 cm Height 16.79 cm Weight 13.5kg Interfaces Front: 2 USB (Universal Serial Bus) 2.0, 1 microphone in, 1 headphone out, Rear: 6 USB (Universal Serial Bus) 2.0, 1 audio in, 1 audio out, 1 microphone in, 2 PS/2, 1 RJ-45 to integrated Gigabit LAN, Internal: 4 USB (Universal Serial Bus) 2.0 Expansion 2 PCI Express Gen 2 x 16 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically) 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically) 2 PCI 1 22-in-1 Media Card Reade 2 internal 3.5" bays (up to 4 with converter) 3 external 5.25" bays Warranty 3 Year Manufacturer Warranty

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With its revolutionary architecture & power that will redefine multi-tasking, the HP Z400 Workstation helps you accomplish more with every minute of your time & every dollar of your investment. Processor Intel Xeon Dual-Core Processor W3503 2.40 G Hz, 4MB cache Intel X58 Express Memory 3GB 1333 MHz DDR3 ECC Unbuffered RAM 4 x DIMM Hard Drive 500GB 7200rpm SATA NCQ Optical Drive SATA Super Multi DVD writer Software Operating System: Genuine Windows 7 Professional 64 Security HP Solenoid Hood Lock/ Sensor Kit, Kensington Security Cable & Lock Display Monitor Not Included Graphics NVIDIA Quadro 400 (512 MB) Audio Integrated High Definition Realtek ALC262 Audio, Networking Network interface Integrated Broadcom 5764 10/100/1000 PCIe LAN Power Supply 475 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply

Dimensions Width 45.53 cm Depth 45.02 cm Height 16.79 cm Weight 13.5kg Interfaces 12 x USB (Universal Serial Bus) 2.0 1 x IEEE 1394a 1 x audio in 2 x audio out 2 x microphone in 2 x PS/2 1 x RJ-45 Expansion 2 PCI Express Gen 2 x 16 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically) 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically) 2 PCI 1 22-in-1 Media Card Reader The PCIe x 8 connectors are open ended, allowing a PCIe x 16 card to be seated in the slot. 2 internal 3.5" bays (up to 4 with converter) 3 external 5.25" bays Warranty 3 Year Manufacturer Warranty

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With its revolutionary architecture & power that will redefine multi-tasking, the HP Z400 Workstation helps you accomplish more with every minute of your time & every dollar of your investment. Processor Intel Xeon Quad-Core Processor W3550 3.06 G Hz, 8 MB cache, 1066 M Hz memory Intel X58 Express Memory 3GB 1333 M Hz DDR3 ECC Unbuffered 4 x DIMM slot Hard Drive 500GB SATA Optical Drive 16X SATA Super Multi Light Scribe DVD+/-RW Software Operating System: Genuine Windows 7 Professional 32 Display Monitor Not Included Graphics None Audio Integrated High Definition Realtek ALC262 Audio, Networking Integrated Broadcom 5764 10/100/1000 PCIe LAN Power Supply 475 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply

Dimensions Width 45.53 cm Depth 45.02 cm Height 16.79 cm Weight 13.5kg Interfaces Front: 2 USB (Universal Serial Bus) 2.0, 1 microphone in, 1 headphone out, Rear: 6 USB (Universal Serial Bus) 2.0, 1 audio in, 1 audio out, 1 microphone in, 2 PS/2, 1 RJ-45 to integrated Gigabit LAN Internal: 4 USB (Universal Serial Bus) 2.0 Expansion 2 PCI Express Gen 2 x 16 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically) 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically) 2 PCI 1 22-in-1 Media Card Reader 2 internal 3.5" bays (up to 4 with converter) 3 external 5.25" bays Warranty 3 Year Manufacturer Warranty

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With its revolutionary architecture & power that will redefine multi-tasking, the HP Z400 Workstation helps you accomplish more with every minute of your time & every dollar of your investment. Processor Intel Xeon Quad-Core Processor W3565 3.20 G Hz 8 MB cache 1066 MHz memory Intel X58 Express Memory 6GB 1333 M Hz DDR3 ECC Unbuffered RAM 4 x DIMM slot Hard Drive 1TB SATA Optical Drive 16X SATA Super Multi Light Scribe DVD+/-RW Software Operating System: Genuine Windows 7 Professional 64-bit Security HP Solenoid Hood Lock/ Sensor Kit, Kensington Security Cable & Lock Display Monitor Not Included Graphics No Graphics Card Audio Integrated High Definition Realtek ALC262 Audio, Networking Integrated Broadcom 5764 10/100/1000 PCIe LAN Power Supply 475 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply 85PLUS Power Supply

Dimensions Width 16.79 cm Depth 45.53 cm Height 45.02 cm Weight 15.1kg Interfaces Front: 2 x USB (Universal Serial Bus) 2.0, 1 x microphone in, 1 x headphone out, Rear: 6 x USB (Universal Serial Bus) 2.0, 1 x audio in, 1 x audio out, 1 x microphone in, 2 x PS/2, 1 x RJ-45 to integrated Gigabit LAN, Internal: 4 x USB (Universal Serial Bus) 2.0 Expansion 2 PCI Express Gen 2 x 16 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically) 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically) 2 PCI 1 22-in-1 Media Card Reader Warranty 3 Year Manufacturer Warranty

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