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HP ProDesk 400 G1 Desktop Mini Business PC Product Specifications

Product image

The HP ProDesk 400 G1 Desktop Mini Business PC

Product Features

Intel 8 Series (H81 Express) Chipset
Intel HD Graphics on all models (integrated on processor)
Adapters and cables
  • HP DisplayPort to DVI-D Adapter
  • HP DisplayPort to HDMI 1.4 Adapter
  • HP DisplayPort to VGA Adapter
  • HP DisplayPort Cable
  • HP USB to Serial Port Adapter
SATA drives:
  • 500 GB 7200 RPM SATA 2.5 HDD
  • 500 GB 7200 RPM SATA 2.5 2nd HDD
SATA self-encrypting HDD:
  • 500 GB 7200 RPM SATA 2.5 SED HDD
  • 500 GB 7200 RPM SATA 2.5 2nd SED HDD
Hybrid drives:
  • 500 GB SATA 6G 2.5 (8GB cache) SSHD Drive
  • 500 GB SATA 6G 2.5 2nd Drive (8 GB cache) SSHD Drive
  • 1 TB SATA 6G 2.5 (8 GB cache) SSHD Drive
  • 1 TB SATA 6G 2.5 2nd Drive (8 GB cache) SSHD Drive
Solid state drives:
  • 128 GB SATA 6G 2.5 SSD
  • 120 GB SATA 2.5 Non-SED SSD
  • 128 GB SATA 2.5 SSD TLC Non-SED
  • 120 GB SATA 2.5 2nd Non-SED SSD
  • 120 GB SATA 2.5 w/caddy Non-SED SSD
  • 120 GB SATA 2.5 w/caddy 2nd Non-SED SSD
  • 128 GB M.2 PCIe SSD
  • 180 GB SATA 2.5 Non-SED SSD
  • 180 GB SATA 2.5 2nd Non-SED SSD
  • 180 GB SATA 2.5 w/caddy Non-SED SSD
  • 180 GB SATA 2.5 2nd w/caddy Non-SED SSD
  • 256 GB SATA 2.5 SSD
  • 256 GB SATA 2.5 2nd SSD
  • 256 GB SATA 2.5 SSD TLC Non-SED
  • 500 GB 2.5 FIPS 140-2 SED HDD
  • 500 GB 2.5 FIPS 140-2 2nd SED HDD
For storage, GB = 1 billion bytes, TB = 1 trillion bytes. Actual formatted capacity is less. Up to 26GB of system disk is reserved for system recovery software (for Windows 8.1).
Type: DDR3 non-ECC up to 1600 MT/s
Max: 16 GB
Number of slots: 2 SODIMM
For systems configured with more than 3 GB of memory and a 32-bit operating system, all memory may not be available due to system resource requirements. Addressing memory above 4 GB requires a 64-bit operating system. Memory modules support data transfer rates up to 1600 MT/s; actual data rate is determined by the system's configured processor. See processor specifications for supported memory data rate.
Networking / communications
Ethernet (RJ-45):
  • Intel i217LM GbE LOM
  • Intel Dual Band Wireless-N 7260 802.11 a/b/g/n PCI Express (optional)
Audio / multimedia
  • HD audio with Realtek ALC221 codec (all ports are stereo)
  • DTS Studio Sound audio management technology
  • Microphone and headphone front ports (3.5mm)
  • Multi-streaming capable
  • Internal speaker (standard)
Keyboards and pointing devices
  • HP USB keyboard
  • USB Smart Card (CCID) Keyboard
  • HP USB and PS/2 Washable Keyboard
  • HP Wireless Keyboard and Mouse Combo*
    *Keyboard contains 25% post-consumer recycled plastic material
  • HP USB Mouse
  • HP USB 1000dpi Laser Mouse
  • HP USB and PS/2 Washable Mouse
The HP ProDesk 400 G1 Desktop Mini Business PC includes a feature allowing for powering on the PC from the keyboard.
The keyboard must be connected to a specific USB port on the system. This USB port can be found on the back of the unit and is indicated by a small keyboard icon.
Power-on from keyboard must be enabled in the system BIOS. The default factory state is OFF. To enable the feature in the system BIOS, perform the following steps:
  1. Power on the PC while holding down the F10 button to enter the Setup Utility (note: use arrow keys and Enter/Tab keys to navigate the Setup Utility)
  2. From the “Power” menu choose “Hardware Power Management”. Press “Enter”
  3. From the Hardware Power Management Menu scroll to “Power on from USB Kbd Port” and choose “Enable”
  4. Choose F10 to Accept
  5. From the “File” menu choose “Save Changes and Exit”. The system will then boot up with the feature enabled.
    Your system is now setup to power-on from the keyboard. To turn the power on simply press any key.
Environmental and regulatory
ENERGY STAR certified models available
EPEAT registered where applicable/supported. EPEAT registration varies by country.
Low halogen (chassis, all internal components and modules) (External power supplies, power cords, cables and peripherals are not Low Halogen. Service parts obtained after purchase may not be Low Halogen.)
TAA compliant models available.
USB 2.0
  • 2 (rear)
USB 3.0
  • 2 (front)
  • 2 (rear)
  • VGA - 1
  • DisplayPort - 1
    When configured with an Intel Celeron, Pentium or 4th generation Intel Core i3 CPU only two of the available video output ports are active.
  • Headphone / mic (front)
RJ-45 network interface
  • 1
2.5-in internal storage drive
Internal M.2 connector for optional wireless NIC
Internal M.2 connector for optional SSD drive
Service and support
On-site Warranty1: One-year (1-1-1) limited warranty delivers one year of on-site, next business day2 service for parts and labor and includes free telephone support3 24 x 7. One-year onsite and labor are not available in all countries. Service offers terms up to 5 years by choosing an optional HP Care Pack.
1Terms and conditions may vary by country. Certain restrictions and exclusions apply. Other warranty variations may be offered in your region.
2On-site service may be provided pursuant to a service contract between HP and an authorized HP third-party provider, and is not available in certain countries. Global service response times are based on commercially reasonable best effort and may vary by country.
3Technical telephone support applies only to HP-configured and third-party HP qualified hardware and software. Toll-free calling and 24 x 7 support may not be available in some countries.

Power Specifications

High efficiency
300W active PFC (230 VAC input only)
High efficiency 80 PLUS bronze
  • 300W active PFC EStar 6
  • 82/85/82% efficient at 20/50/100% load (115 V)
  • 82/85/82% efficient at 20/50/100% load (230 V)
Operating voltage range
90 - 264 VAC
Rated voltage range
200 - 240 VAC (300W active PFC) 100 - 240 VAC
Rated line frequency
50/60 Hz
Operating line frequency range
47 - 63 Hz
Rated input current
Rated input current with energy efficient power supply
Current leakage (NFPA 99)
< 900uA / 230 Vac (300W PSU)
Power supply fan
80 mm Fan (300 W PSU)
Power cord length
6.0 ft. (1.83 m)


Hard Disk and Solid State Storage

Networking / Communication


Input / Output Devices


Physical Specifications

Chassis (W x D x H)
175 x 34 x 177 mm (6.9 x 1.3 x 7.0 in)
System volume
62.79 cu in
1.05 L
System weight
1.3 kg (2.9 lb)
Tower stand (H x W x D)
19.5 x 117 x 160 mm (0.77x 4.6 x 6.3 in)
Packaged (H x W x D)
198 x 290 x 500 mm (7.8 x 11.4 x 19.7 in)
Shipping weight
4.1 kg (9.0 lb)
Palletization profile
8-units per layer
10/12 layer max
80/96 per pallet


Key features of the HP BIOS include:
  • UEFI specification 2.3.1
  • Absolute Persistence Agent – To ensure tracking and tracing services remains active, available in select countries, separate software and purchase of a subscription is required.
  • Thermal and power management – The HP BIOS provides and enables thermal and power management technologies so component temperatures are managed for high reliability and to assist in operating the HP Business Desktop computer in any enterprise environment.
  • Acoustic performance – Industry leading acoustic emissions across the range of operating conditions.
  • Serviceability – HP BIOS provides diagnostic and detailed service information.
  • Upgrades and recovery – HP BIOS provides numerous ways to upgrade HP Business Desktop computers, including BIOS updates from within DOS (DOSFlash), BIOS updates from within Windows (HPQFlash), HP Client Manager, and fail-safe recovery. In addition, the BIOS has the capability to replicate settings across all like systems in the Enterprise using the Replicated Setup option in BIOS Setup, or using tools available from the HP support website in the Business Desktop BIOS Utilities and BIOS Configuration Utility packages.
  • HP BIOS uses PKI signing of the BIOS for trusted BIOS upgrades and recovery.
Additional HP BIOS features:
  • Power-On password – Helps prevent an unauthorized user from powering on the system.
  • Administrator password – Also known as the setup password, this helps prevent unauthorized changes to the system configuration. If the administrator password is not known, the BIOS version cannot be changed and changes cannot be made to BIOS settings using F10 setup or under the OS.
  • Advanced Configuration and Power Interface (ACPI) – Represents a significant innovation in power and configuration management, allowing operating systems and applications to manage power based on activity and usage.
  • S5 Max Power Savings setting supports EU Lot6 requirement and allows the computer to power down below 1W is S5 (when turned off). When S5 Max Power Savings feature is enabled power to slots is turned off along with WOL functionality.
Fully manageable and supported by industry-standard HP Client Management Solutions. Optional LANDesk management tools simplify mobile device management and security. Simplify everything from deployment or migration to daily management, security, licensing, and more—and stop downtime before it starts.
  • Hardware Management: Inventory, Device config and BIOS updates, HW alerting, Driver updates
  • Software Management: Deployment, App Management, Patch Management; Deployment and Migration; Proactive HW and SW Management; Mobile Users and Device Management; Remote Assistance / Help Desk
  • LANDesk Management Suite 9.5 (LDMS) – optional – contact HP representative for part numbers
  • Hardware integration with Microsoft System Center Configuration Manager: Client Integration Kit (CIK), Client Catalog, Client Driver Packs
  • HP SoftPaq Download Manager (SDM)
  • HP System Software Manager (SSM)
  • HP BIOS Configuration Utility (BCU)
  • HP Driver Packs
  • HP Client Management Interface (HP CMI)
  • Absolute Persistent Software
  • Trusted Platform Module (TPM) 1.2
  • SATA port disablement (via BIOS)
  • DriveLock
  • Serial, parallel, USB enable/disable (via BIOS)
  • Optional USB Port Disable at factory (user configurable via BIOS)
  • Removable media write/boot control
  • Power-On password (via BIOS)
  • Administrator password (via BIOS)
Operating systems
  • Windows 8.1 Pro (64-bit)*
  • Windows 8.1 (64-bit)*
  • Windows 7 Professional (32-bit)*
  • Windows 7 Professional (64-bit)*
  • Windows 7 Professional (32-bit) (available through downgrade rights from Windows 8.1 Pro)**
  • Windows 7 Professional (64-bit) (available through downgrade rights from Windows 8.1 Pro)**
  • FreeDOS 2.0
  • Novell SUSE Linux Enterprise Desktop 11
*Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows functionality.
**This system is preinstalled with Windows 7 Professional software and also comes with a license and media for Windows 8.1 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
HP Cloud Recovery download tool (Cloud Recovery Client) is available under Software and Drivers section on the support page.






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