HP ProDesk 400 G2.5 Small Form Factor PC (ENERGY STAR)
Free shipping & free returns | Up to $40 off select Bose speakers with purchase of this PC
The HP ProDesk 400 SFF with a 44% reduction in size from the previous generation, takes up much less space without sacrificing the computing power and security needed for business computing.
Configurations for today and tomorrow

Configurations for today and tomorrow
Meet your needs and your budget with a reasonably-priced small form factor desktop built for business with customizable configurations.
Tested to go the distance

Tested to go the distance
HP ProDesks are rigorously tested to help ensure reliability. During the HP Total Test Process, PCs experience 115,000 hours of performance trials to help get you through your business day.
Return & exchange information
HP.com will accept returns or exchanges for this product up to 30 days after delivery.
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Product specifications
HP Data Sheet
Operating system
Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro)
Processor
Intel® Core™ i3-4170 with Intel HD Graphics 4400 (3.7 GHz, 3 MB cache, 2 cores)
Graphics
Intel® HD Graphics 4400
Memory
4 GB DDR3-1600 SDRAM (1 x 4 GB)
Memory slots
2 UDIMM
Hard drive
500 GB 7200 rpm SATA
Optical drive
Slim SATA SuperMulti DVD-RW
Ports
2 USB 3.0; 1 microphone; 1 headphone jack
Front
Back
6 USB 2.0; 2 PS/2; 1 VGA; 1 DisplayPort; 1 RJ-45; 1 audio line in; 1 audio line out; 1 RS-232
Expansion slots
1 PCIe x16; 1 PCIe x1
Energy efficiency
ENERGY STAR® certified
Audio
HD audio with Realtek ALC221VB, microphone and headphone front ports (3.5 mm), line-out and line-in rear ports (3.5 mm), internal mono speaker
Dimensions (W X D X H)
3.7 x 11.8 x 10.6 in
Weight
9.92 lb
Warranty
Protected by HP Services, including a 3-year parts, 3 years labor, and 3 years onsite service (3/3/3) limited warranty; Terms and conditions vary by country; Certain restrictions and exclusions apply.
Return & exchange information
HP.com will accept returns or exchanges for this product up to 30 days after delivery.
Top match for your Desktops
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HP DVI to DVI Cable
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HP USB Graphics Adapter
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HP Serial Port Adapter
- The Second Serial Port enables customers to add a second serial connector to their desktop. The additional serial port supports a wide variety of devices that have a serial connector. The serial card also comes shipped with a full height bracket.
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Browse Accessories
Browse Accessories
HP USB Graphics Adapter
- The super-compact HP USB Graphics Adapter enables connection of up to six simultaneous displays (one per adapter) to help you boost productivity and multi-task across several open applications.
HP DisplayPort to DVI-D Adapter
- Converts the DisplayPort connector on a HP Workstation computer to a single link DVI-D port. The adapter has a latching DisplayPort connector on one end and DVI-D connector on the other for connecting to a DVI-D monitor cable.
HP DisplayPort To VGA Adapter
- Converts the DisplayPort connector on a HP Compaq Business Desktop computer to a VGA port. The adapter has a latching DisplayPort connector on one end that connects to the graphics source and VGA connector on the other for connecting to a VGA monitor cable.
HP DisplayPort to HDMI 1.4 Adapter for PC
- Make the most of the available ports on your HP Business Desktop or HP Workstation with the HP DisplayPort to HDMI 1.4 Adapter, which converts your PC’s DisplayPort output to HDMI for quick and easy connection to a range of multimedia devices.[1]
HP DVI to DVI Cable
- DVI's are used on graphics card, LCD Monitors, HDTV, Plasma Displays and other video displays
Belkin Cat5e Patch Cable
- Use this cable to connect all the hardware destinations on a Local Area Network (LAN). The RJ45 Molded Cat 5e Patch Cable is perfect for use with 10/100 Base-T networks. Complete with RJ45 male-to-male connectors and snagless molded strain relief.
HP Business PC Security Lock Kit
- Protect your HP Business PC from tampering or theft in public locations by locking-down peripherals such as mice, keyboards, monitors or USB security devices and preventing the removal of the PC chassis cover.
HP Serial Port Adapter
- The Second Serial Port enables customers to add a second serial connector to their desktop. The additional serial port supports a wide variety of devices that have a serial connector. The serial card also comes shipped with a full height bracket.
- Free shipping & free returns
- Up to $40 off select Bose speakers with purchase of this PC
Product reviews
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