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Compact silver small form factor desktop tower with front USB ports and power button

HP

HP ProDesk 400 G9 SFF i9-14900K 32GB DDR5 1TB NVMe Windows 11 Pro

SKU CH-76ES-T3CB4

Compact small-form-factor desktop with a 24-core Intel Core i9-14900K, 32 GB DDR5 memory and a 1 TB NVMe solid-state drive, plus HDMI, DisplayPort, USB-C, WiFi 6E and Bluetooth 5.3

  • TypeBusiness Desktops & Workstations
  • Form FactorMini PC
  • UsageRetail
  • AudioSound card - Integrated
  • EthernetGigabit Ethernet
  • Power Supply180W
  • Intel Core i9-14900K with 24 cores reaches up to 6.0 GHz for demanding workloads
  • 32 GB DDR5 4800 memory handles multitasking and large datasets smoothly
  • 1 TB NVMe SSD provides fast boot and application load times
  • Dual display support via HDMI 1.4b and DisplayPort 1.4a expands workspace flexibility
  • WiFi 6E and Bluetooth 5.3 deliver fast, stable wireless connectivity

Compact SFF business desktop

The HP ProDesk 400 G9 SFF delivers a 24-core Intel Core i9-14900K processor with 32 GB of DDR5 4800 memory and a 1 TB PCIe NVMe solid-state drive. Windows 11 Pro is pre-installed on a platform designed for commercial deployment. The small form factor chassis fits constrained workspaces while supporting dual-monitor output through HDMI 1.4b and DisplayPort 1.4a.

Thermals and 180 W power envelope

A 180 W internal supply feeds the processor, integrated Intel UHD Graphics 770, memory and storage within the compact enclosure. Intel UHD Graphics 770 operates without a discrete card, reducing total heat load and acoustic output during typical office workloads. Gigabit Ethernet, WiFi 6E and Bluetooth 5.3 connectivity are integrated on the motherboard, avoiding additional expansion cards that would increase power draw. The single PCI Express 4.0 x16 slot remains available for future upgrades if thermal headroom allows.

Included keyboard, mouse and expansion room

A USB keyboard and mouse ship in the box alongside the power cable, so the system is ready for immediate setup. Front-facing ports include three USB-A 3.2 and one USB-C 3.2 for quick peripheral access. Rear I/O adds two USB-A 2.0, three USB-A 3.2, audio in/out and RJ-45. One 3.5-inch hard-drive bay and a PCI Express 3.0 x1 slot provide internal expansion without changing the external footprint.

Highlights

  • Intel Core i9-14900K with 24 cores reaches up to 6.0 GHz for demanding workloads
  • 32 GB DDR5 4800 memory handles multitasking and large datasets smoothly
  • 1 TB NVMe SSD provides fast boot and application load times
  • Dual display support via HDMI 1.4b and DisplayPort 1.4a expands workspace flexibility
  • WiFi 6E and Bluetooth 5.3 deliver fast, stable wireless connectivity

Specifications

Seriespro series
Model400 SFF G9
TypeBusiness Desktops & Workstations
Form FactorMini PC
UsageRetail
AudioSound card - Integrated
EthernetGigabit Ethernet
Power Supply180W
MonitorMonitor not included
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core i9 14th Gen
GPU/VGA TypeIntel UHD Graphics 770
Graphics InterfacePCI Express 2.0 x16
Memory Capacity32GB DDR5
Memory SpeedDDR5 4800
Memory Slots (Available/Total)0
Maximum Memory Supported64 GB
SSD1 TB PCIe
HDDNo
Screen SizeN/A
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6
BluetoothBluetooth 5.3
Front USB3x USB-A 3.2, 1x USB-C 3.2
Front Audio Ports1
Video Ports1 Display Port, 1 HDMI
Rear USB2x USB-A 2.0, 3x USB-A 3.2
RJ451 port
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Speaker ConfigurationInternal Speaker

Questions about this item

How do I add a second drive to the 3.5-inch bay on this HP ProDesk 400 G9 SFF?

Fit a 3.5-inch drive into the available bay and connect the data and power cables already routed inside the chassis; the step most people miss is securing the drive with the tool-less latch before closing the cover.

Which memory modules should I buy if I want to reach the 64 GB maximum later?

Purchase two DDR5 4800 SO-DIMMs; both slots are occupied by the factory 32 GB kit, so a full replacement is required to hit the 64 GB limit.

Will the 180 W power supply sustain the i9-14900K at its 6.0 GHz turbo under prolonged load?

The 180 W unit is sized for the configured i9-14900K and integrated UHD 770 graphics; sustained all-core turbo at 6.0 GHz may hit the power ceiling first, causing the CPU to throttle to stay within the supply limit.

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