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 the business.
Let nothing stand in your way
Power through your day with Windows 10 Pro and the powerful HP ProDesk 400 SFF with built-in security, collaboration, and connectivity.
Super secure. Super protected
HP Client Security Suite Gen3 features HP Multi-Factor Authenticate, HP Device Access Manager, HP SpareKey, and HP Password Manager. These tools work to keep data out of reach and defend against theft, attacks, and unauthorized users.
Work without interruption
Keep productivity high and downtime low with HP BIOSphere Gen3 firmware-level automation. Your PCs have extra protection thanks to automatic updates and security checks.
Speed up the basics of IT management
The HP Manageability Integration Kit helps speed up image creation and management of hardware, BIOS, and security through Microsoft System Center Configuration Manager.
HP ProDesk 400 G4 - SFF - Core i5 6500 3.2 GHz - 4 GB - 500 GB - UK
1 (total) / 0 (free) x external 5.25" Slim Line , 1 (total) / 1 (free) x external , 1 (total) / 0 (free) x internal 2.5" / 3.5" shared
1 (total) / 0 (free) x CPU , 2 (total) / 1 (free) x DIMM 288-pin , 1 (total) / 1 (free) x M.2 Card - 2230 (x1 mode) , 1 PCIe 3.0 x16 - low-profile (x4 mode) , 1 (total) / 1 (free) x PCIe 3.0 x16 - low-profile
4 x USB 2.0 (two of them with wake functionality) , 4 x USB 3.1 Gen 1 (2 front, 2 rear) , 1 x DisplayPort , 1 x VGA , 1 x headphones/microphone (1 in front) , 1 x audio line-in , 1 x audio line-out , 1 x LAN (Gigabit Ethernet)
Security lock slot (cable lock sold separately)
Security Slot Type
Kensington security slot
AC 120/230 V (50/60 Hz)
80 PLUS Certification
80 PLUS Bronze
82% at 100% Load (115 VAC), 82% at 20% Load (115 VAC), 85% at 50% Load (115 VAC)
Power Factor Correction
Operating System / Software
Windows 10 Pro 64-bit Edition English
Service & Support
Limited warranty - parts and labour - 1 year - on-site
Dimensions & Weight
Min Operating Temperature
Max Operating Temperature
Humidity Range Operating
10 - 90% (non-condensing)
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