We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Compact black small form factor desktop tower with front USB-C and USB-A ports

HP

HP ProDesk 400 G9 SFF i9-14900K 64GB DDR5 4TB NVMe Windows 11 Pro

SKU CH-A449-WB6X9

A compact desktop with a 24-core Intel Core i9-14900K, 64GB DDR5, 4TB NVMe SSD, WiFi 6E and Bluetooth 5.3 in a small form factor

  • ProcessorIntel Core i9 14th Gen
  • RAM capacity64 GB DDR5
  • SSD storage4 TB PCIe
  • GraphicsIntel UHD Graphics 770
  • Wi-Fi standardWi-Fi 6
  • Operating systemWindows 11 Pro
  • 24-core Intel Core i9-14900K reaches 6.0 GHz for demanding workloads
  • 64 GB DDR5 4800 memory handles heavy multitasking without slowdown
  • 4 TB NVMe SSD stores large projects and boots in seconds
  • WiFi 6E and Bluetooth 5.3 give fast, stable wireless connections
  • Small form factor fits tight spaces while supporting dual monitors

Compact Business Desktop

The HP ProDesk 400 G9 SFF packs a 24-core Intel Core i9-14900K processor with 64GB of DDR5 4800 memory and a 4TB PCIe NVMe drive into a small form factor chassis. It ships with Windows 11 Pro and is aimed at offices that need high single-thread speed and large local storage without a full-size tower.

Connectivity and Expansion

The front panel provides three USB-A 3.2 ports, one USB-C 3.2 port and a universal audio jack while the rear adds three USB-A 3.2, two USB 2.0, HDMI 1.4b, DisplayPort 1.4a, Gigabit Ethernet, audio in and out. Dual-monitor support is native and an internal 3.5-inch bay plus a PCI Express 4.0 x16 slot and a PCI Express 3.0 x1 slot allow further storage or add-in cards.

Thermals and Power

A 180-watt power supply feeds the CPU which spans 2.40 to 6.0 GHz across performance and efficient cores alongside integrated Intel UHD Graphics 770. WiFi 6E and Bluetooth 5.3 handle wireless duties while the compact case relies on internal airflow to manage heat during typical business workloads.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $2,119.99
Pricier than about 90% of the 14,711 comparable items (median $494.99).
RAM capacity 64 GB DDR5
Higher than about 90% of the 13,125 comparable items (median 16 GB).
SSD storage 4 TB PCIe
Higher than about 91% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Product linePro series
Model name400 SFF G9
Product typeBusiness Desktops & Workstations
Recommended useRetail
Processor
ProcessorIntel Core i9 14th Gen
Memory
RAM capacity64 GB DDR5
RAM type and speedDDR5 4800
Memory slots0
Max supported RAM64 GB
Storage
SSD storage4 TB PCIe
Hard driveNo
Graphics
GraphicsIntel UHD Graphics 770
GPU interfacePCI Express 2.0 x16
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Speaker setupInternal Speaker
Connectivity
Wi-Fi standardWi-Fi 6
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.3
Ports & slots
Front USB ports3x USB-A 3.2, 1x USB-C 3.2
Front audio jacks1
Video connectors1 Display Port, 1 HDMI
Rear USB ports2x USB-A 2.0, 3x USB-A 3.2
Ethernet port1 port
Power
Power supply180 W
Size & build
Form factorMini PC
Compatibility
Windows 11 supportReady
In the box
Included monitorNot included
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Pro
More details
Keyboard typeWired Keyboard

Questions about this item

What video standards do the HDMI 1.4b and DisplayPort 1.4a ports use?

The system provides one HDMI 1.4b port and one DisplayPort 1.4a port for dual-monitor support, driven by the integrated Intel UHD Graphics 770.

Which storage bays and expansion slots are available inside the Small Form Factor chassis?

The chassis includes one 3.5-inch hard-drive bay, one PCI Express 4.0 x16 slot and one PCI Express 3.0 x1 slot for add-in cards.

How is the operating system activated after the first boot, and what step is often missed?

Windows 11 Pro activates automatically once the PC connects to the internet; skipping the network setup during the out-of-box experience prevents activation.

More in Tower & Compact Desktop PCs

Similar items