Designed to fit the modern workspace now and in the future, the small, reliable, and secure HP ProDesk 400 SFF is a powerful PC with performance that’s scalable to grow with your business.
Power through your day with high-performance 8th Gen Intel® Core™ processors unleashed by optional Intel® Optane™ memory and discrete graphics.
Expansion that extends your investment
The full value of your investment comes with expansion that extends the life of your PC. The HP ProDesk 400 SFF has two bays and two half-height slots, and optional ports to connect up to three HP displays.
With 8 total USB ports and optional Bluetooth™  connectivity, the HP ProDesk 400 SFF becomes a hub for all your devices in the office.
Tested and ready
The reliable HP ProDesk 400 SFF experienced 120,000 hours of the HP Total Test Process and now has an optional dust filter to help extend the life of your PC by reducing airborne particulate intake in the most demanding work environments.
 Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com/.
 Some devices for academic use will automatically be updated to Windows 10 Pro Education with the Windows 10 Anniversary Update. Features vary; see https://aka.ms/ProEducation for Windows 10 Pro Education feature information.
 For hard drives and solid state drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 36 GB (for Windows 10) of system disk is reserved for the system recovery software.
 Your product does not support Windows 8 or Windows 7. In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel® and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on http://www.support.hp.com
 EPEAT® registered where applicable. EPEAT registration varies by country. See www.epeat.net for registration status by country. See HP’s 3rd party option store for solar energy accessory at www.hp.com/go/options.
 Multi-core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering is not a measurement of higher performance. Intel, Pentium, Intel Core, Celeron, Intel logo and the Intel Inside logo are trademarks of Intel Corporation in the U.S. and other countries.
 Intel® Turbo Boost performance varies depending on hardware, software and overall system configuration. See http://www.intel.com/technology/turboboost/ for more information.
 Sold separately or as an optional feature.
 Availability may vary by country.
 SD 3 with 4-in-1 Interface (Supports SD, SDXC, SDHC, UHS-I). Sold separately or as an optional feature.
 HP BIOSphere: HP BIOSphere Gen4 requires Intel® or AMD 8th Gen processors. Features may vary depending on the platform and configurations.
 HP Driver Packs not preinstalled, however available for download at http://www.hp.com/go/clientmanagement.
 Intel® I210-T1 PCIe® GbE: Sold separately or as an optional feature.
 Wireless access point and internet service required.
 Small Form Factor can be configured with either (1) 3.5" or (2) 2.5" internal storage drive (2.5 inch drive needs adapter).
 (2) USB 2.0: allows for wake from S4/S5 with keyboard/mouse when connected and enabled in BIOS.
 HP Client Security Suite Gen 4 requires Windows and Intel® or AMD 8th generation processors.
 HP Password Manager requires Internet Explorer or Chrome™ or Firefox. Some websites and applications may not be supported. User may need to enable or allow the add-on / extension in the internet browser.
 Trusted Platform Module TPM 2.0 Embedded Security Chip shipped with Windows 10 (Common Criteria EAL4+ Certified)(FIPS 140-2 Level 2 Certified): In some scenarios, machines pre-configured with Windows OS might ship with TPM turned off.
 HP Management Integration Kit for Microsoft System Center Configuration Management Gen 2: can be downloaded from http://www8.hp.com/us/en/ads/clientmanagement/overview.html.
 Ivanti Management Suite: subscription required.
 Multi-Core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering branding and/or naming is not a measurement of higher performance.
 Intel® Optane™ memory system acceleration does not replace or increase the DRAM in your system and requires configuration with an optional Intel® Core™ i(5 or 7)+ processor.
 Intel® Turbo Boost technology requires a PC with a processor with Intel Turbo Boost capability. Intel Turbo Boost performance varies depending on hardware, software and overall system configuration. See www.intel.com/technology/turboboost for more information.
 HP Drive Lock is not supported on NVMe drives.