HP 280 G3 Microtower PC Series

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Maximize your investment.

Take on your everyday work at an affordable price with the HP 280 MT. Get the computing power you need while minimizing the total cost of ownership—now that’s a smart investment.
HP 280 MT desktop PC delivers your everyday computing needs while minimizing your total cost of ownership.

The HP 280 MT provides a powerful PC with the features you need to accomplish your everyday tasks.

Take up less space with the HP 280 MT that is 27% smaller than the previous generation with a stylish design that is easy to set up and use.

Keep up with daily tasks with strong performance from a 7th Gen Intel® Core™ i3/i5/i7 processor3, DDR4 memory and PCIe x1 and PCIe x16 slots for future growth.

Help protect your investment and your data with firmware TPM and a security lock slot.


Processor family
6th Generation Intel® Core™ i3 processor; 6th Generation Intel® Core™ i5 processor; 6th Generation Intel® Core™ i7 processor; 7th Generation Intel® Core™ i3 processor (i3-7100); 7th Generation Intel® Core™ i5 processor (i5-7400); 7th Generation Intel® Core™ i7 processor (i7-7700); Intel® Celeron® processor; Intel® Celeron® processor (G3930 is Windows 10 only); Intel® Pentium® processor

MDA key selling point
Windows 10 Pro or other operating systems available
Intel® H110
Form factor

Security management
Microsoft Security Essentials (Windows 7); Microsoft Defender (Windows 10)

Memory Slots
Internal drive bays
One 3.5" HDD; One 3.5" HDD (optional)
External drive bays
1 SD reader (optional); One 3.5" HDD; One 9.5 mm slim ODD

Additional storage
HP 6-in-1 Media Card Reader (optional)

Optical drive
HP 9.5 mm Slim DVD-ROM; HP 9.5 mm Slim DVD-Writer

Intel® HD Graphics

I/O Port location
1 microphone/headphone jack; 2 USB 3.0
I/O Port location
1 audio line in; 1 audio line out; 1 HDMI; 1 RJ-45; 1 VGA; 2 USB 3.0; 4 USB 2.0

Expansion slots
1 PCIe (x1); 1 PCIe (x16); 1 M.2; 1 PCI 2.3

Conexant CX20632 codec with universal audio jack and 2W internal speaker, headset and headphone front ports (3.5 mm), multi-streaming capable
HP PS/2 Keyboard (optional); Universal USB wired keyboard; HP USB Business Slim Keyboard; HP PS/2 Business Slim Keyboard; HP USB Antimicrobial Keyboard (China only)
Network interface
Integrated 10/100/1000M gigabit Ethernet controller; Realtek RTL8111HSH-CG GbE Ethernet Controller9 (Wireless card requires a wireless access point and Internet service which is not included. Availability of public wireless access points is limited.)
180 W internal power supply, up to 85% efficiency, active PFC; 310 W internal power supply, up to 85% efficiency, active PFC
Energy efficiency
ENERGY STAR® certified and EPEAT® Silver registered configurations available

Operating temperature range
0 to 40°C

Dimensions (W x D x H)
17 x 27.4 x 33.8 cm (Dimensions are WxDxH with product in vertical orientation)

5.45 kg
HP Recovery Manager; HP Support Assistant; HP Velocity; HP Jumpstart; HP ePrint + JetAdvantage

HP Services offers limited 1-year or 3-year warranty options depending on country. Limited warranty delivers on-site, next business day service for parts and labor and complimentary limited technical support. Three-year onsite and labor are not available in all countries. Service offers terms up to 5 years by choosing an optional HP Care Pack. To choose the right level of service for your HP product, visit HP Care Pack Central: www.hp.com/go/cpc