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Compact black small-form-factor desktop tower with front USB-C and USB-A ports, rear DisplayPort and HDMI

HP

HP ProDesk 400 G9 SFF i7-14700 16GB 2TB desktop PC

SKU CH-M4ST-9RD9P

A compact business desktop with a 20-core Intel Core i7-14700, 16 GB DDR5 memory and a 2 TB solid-state drive, ready for triple-monitor setups

  • TypeBusiness Desktops & Workstations
  • Form FactorSlim/Small Form Factor
  • UsageWork / Business
  • ColorBlack
  • Cooling SystemAir Cooling
  • Operating SystemWindows 11 Pro

Configuration 16GB RAM · 2TB SSD

  • Enterprise-grade speed with 20-core Intel Core i7-14700 processor
  • Seamless multitasking backed by 16GB high-bandwidth DDR5 memory
  • Extensive file storage on 2TB solid-state drive
  • Triple monitor productivity via DisplayPort and HDMI 1.4 outputs
  • Space-saving small form factor fits tight desks with built-in Wi-Fi 5

Business desktop for professional workloads

The HP ProDesk 400 G9 SFF runs Windows 11 Pro on an Intel Core i7-14700 processor with 20 cores and 28 threads. A base frequency of 2.1 GHz and turbo up to 5.4 GHz support demanding business applications. Sixteen gigabytes of DDR5 4800 memory and a 2 TB SSD provide fast boot times and responsive multitasking for office environments.

Small form factor with triple display support

The compact chassis measures 10.6 x 3.7 x 12.1 inches and weighs 9.25 lbs, fitting tight desk spaces. Rear HDMI 1.4 and DisplayPort outputs drive up to three independent 4K monitors for expanded productivity. Front USB Type-C and Type-A ports at 10 Gbps signaling rate plus rear USB ports at 5 Gbps and 480 Mbps connect peripherals without adapters. Built-in Wi-Fi 5 and RJ-45 handle network connectivity.

Suited for office deployments needing space

This configuration suits businesses that require a ready-to-use desktop with wired keyboard and mouse included. Integrated Intel UHD Graphics 770 handles standard business visuals but not GPU-accelerated workloads. The SFF layout limits internal expansion compared to tower formats. Buyers needing discrete graphics, greater memory capacity than 16 GB, or additional drive bays should consider larger chassis options.

Highlights

  • Enterprise-grade speed with 20-core Intel Core i7-14700 processor
  • Seamless multitasking backed by 16GB high-bandwidth DDR5 memory
  • Extensive file storage on 2TB solid-state drive
  • Triple monitor productivity via DisplayPort and HDMI 1.4 outputs
  • Space-saving small form factor fits tight desks with built-in Wi-Fi 5

Specifications

BrandHP
SeriesProDesk
Model400
TypeBusiness Desktops & Workstations
Form FactorSlim/Small Form Factor
UsageWork / Business
ColorBlack
Cooling SystemAir Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core i7 14th Gen
CPU NameIntel Core i7-14700
CPU Base Frequency2.10GHz
Turbo Frequency5.40GHz
L3 Cache Per CPU33 MB
CPU Main Features64 bit 20-Core Processor
GPU/VGA TypeIntel UHD Graphics 770
Memory Capacity16GB DDR5
Memory SpeedDDR5 4800
Memory Spec8 GB x 2
Memory Slot (Total)2
Memory Slot (Available)2
Memory Slots (Available/Total)2 total
Maximum Memory Supported128 GB
SSD2TB PCIe
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11ac Wireless LAN
WiFi GenerationWi-Fi 5
BluetoothYes
Front USB4
Front Audio Ports1
Video Ports1 Display Port, 1 HDMI
Rear USB5
RJ451 port
Rear Audio Ports1 port
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Dimensions (H x W x D)12.1" x 10.6" x 3.7"
Weight9.25 LBs
Package TypeRetail

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the 20-core i7-14700 throttle under sustained full-load work?

The i7-14700 has a 2.10 GHz base frequency and can reach 5.40 GHz turbo; the SFF chassis relies on air cooling, so extended all-core workloads will run at lower clocks once the thermal limit is reached.

How loud and hot does the air-cooled SFF get when running all day?

Air cooling in the small-form-factor case keeps the i7-14700 within its thermal envelope; fan speed rises with load, so sustained heavy tasks produce noticeable airflow noise and warm exhaust.

Which DDR5 modules do I already need to populate the two empty slots?

The system ships with 16 GB as 8 GB × 2 DDR5 4800; the board supports up to 64 GB total, so any additional sticks must be DDR5 4800 SO-DIMMs to match the installed pair.

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