HP ProDesk 400 G4 Small Form Factor PC

HP ProDesk 400 G4 Small Form Factor PC
Key specs

Operating System

Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro 64)

Memory (RAM)

8 GB


2nd Generation Intel® Core™ i3 processor; 6th Generation Intel® Core™ i5 processor


4.6 kg

Product Overview

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.

Powerful options

Power through your day with high-performance 7th Gen Intel® Core™ i3/i5/i7 processorsh2 unleashed optional Intel® Optane™ memoryh3 , up to 32 GB of DDR4 memoryh4 , and discrete graphicsh4 .

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 legacy portsh3 .

Connection hub

With 8 total USB ports, two video outputs, and optional Bluetooth™h4 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 filterh3 to help extend the life of your PC by reducing airborne particulate intake in the most demanding work environments.

Key Features
Let nothing stand in your way

Power through your day with Windows 10 Prof1 and the powerful HP ProDesk 400 SFF with built-in security, collaboration, and connectivity.

Super secure. Super protected

HP Client Security Suite Gen3f5 features HP Multi-Factor Authenticate, HP Device Access Managerf6 , 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 Gen3f7 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 Kitf8 helps speed up image creation and management of hardware, BIOS, and security through Microsoft System Center Configuration Manager.

Office Intelligence

HP WorkWisef9 is office intelligence rolled into one smartphone app to provide PC security, real-time PC performance information, and simplified printer driver installation for HP PC users.

Maximize network performance

Greatly improve the transfer rates of user’s data, voice, and video communication when connecting over challenged LAN or Wi-Fi networks with HP Velocity.

Convenient, always-on, customized, free support

Enjoy always-on, included self-help support built right into your PC, for the life of your PCf10 .

Built-in durability

Rest easy with a PC that goes the distance and is designed to pass HP Total Test Process.

Detailed Specifications
  • Operating system
  • Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro 64)
  • Memory
  • 8 GB DDR4-2400 SDRAM (1 x 8 GB)
  • Memory Slots
  • 2 DIMM
  • Internal Storage
  • 256 GB SATA SSD
  • Processor family
  • 2nd Generation Intel® Core™ i3 processor; 6th Generation Intel® Core™ i5 processor
  • Processor
  • Intel® Core™ i5-6500 with Intel HD Graphics 530 (3.2 GHz, up to 3.6 GHz with Intel Turbo Boost, 6 MB cache, 4 cores)
  • Weight
  • 4.6 kg
  • Weight note (metric)
  • Exact weight depends on configuration
  • Graphics
  • Intel® HD Graphics 530
  • Minimum dimensions (W x D x H)
  • 9.5 x 29.6 x 27 cm
  • Pointing device
  • HP USB Optical Mouse
  • Ports
  • 1 SD 3 card reader (optional); 1 headset connector; 2 USB 3.1 Gen 1
  • Expansion slots
  • 1 M.2 2230; 1 Turbo Drive (M.2 PCIe); 1 low-profile PCIe 3 x16 6.35 cm (2.5"), 16.76 cm (6.6") length, 35 W max power
  • Security management
  • DriveLock; Power-on password (via BIOS); SATA port disablement (via BIOS); Serial enable/disable (viaBIOS); Setup password (via BIOS); Support for chassis padlocks and cable lock devices; Trusted Platform Module TPM 2.0 Embedded Security Chip (SLB9670 - Common Criteria EAL4+ Certified); USB enable/disable (via BIOS)
  • 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.


Product image may differ from actual product h2 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. h3 Intel® Optane™ is sold separately and requires a 7th Gen Intel® Core™ processor, bios version with Intel® Optane™ supported, Windows 10, version 1703 , an Intel® 200 series chipset, M.2 type 2280-S1-B-M connector on a PCH Remapped PCIe* Controller and Lanes in a x2 or x4 configuration with B-M keys that meet NVMe* Spec 1.1 and Intel® Rapid Storage Technology (Intel® RST) 15.5 driver. h4 Sold separately or as an optional feature.
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