Tech Spec Spec it right!

HP Pro Tower 400 G9

HP's mainstream tower business desktop, built around socketed Intel 12th/13th/14th Gen Core desktop processors and the Intel Q670 chipset, with full-height PCIe expansion and the broadest discrete-graphics choice in the 400 G9 line.

Memory

Slots
2 U-DIMM
Max
64 GB (2 x 32 GB)
Type
DDR4-3200 (12th Gen) or DDR5-4800/5600 U-DIMM (13th/14th Gen, 5600 MT/s with select i5/i7)
Configurations
4, 8, 16, 32, 64 GB

Storage

M.2
1 x M.2 2280 PCIe NVMe SSD slot (256GB-2TB, incl. TLC and Self-Encrypting OPAL2 variants); 2nd M.2 2230 slot optionally usable for storage in addition to WLAN
3.5" bays
2 x 3.5" internal SATA HDD bays (1TB or 2TB 7200RPM)
Optical
1 x 9.5mm slim optical bay (DVD-ROM or DVD Writer, optional)

Graphics

Integrated
Intel UHD Graphics 770 (i5-1x500/1x600 and i7), UHD Graphics 730 (i5-1x400, i3), or UHD Graphics 710 (Pentium Gold/Celeron/Core 300)
Discrete
NVIDIA GeForce RTX 3050 8GB, NVIDIA GeForce RTX 4060 8GB, NVIDIA A400 4GB, NVIDIA Quadro T400 2GB, NVIDIA T400 4GB, or Intel Arc A380 6GB (all full-height); AMD Radeon RX 6300 2GB GDDR6 (low-profile)

Expansion

Slot 1
PCI Express 4.0 x16, full height
Slot 2
PCI Express 4.0 x1, full height
Slot 3
PCI (legacy) x1, full height
M.2 (internal, not user-facing)
1 x M.2 2230 (WLAN/Bluetooth/optional storage)

Networking

Ethernet
Intel I219-LM 1 Gigabit LOM (vPro); optional Intel I225-T1 2.5GbE adapter
Wi-Fi
Intel Wi-Fi 6E AX211 + Bluetooth 5.3 (vPro or non-vPro), Realtek RTL8852BE Wi-Fi 6 + Bluetooth 5.3, or Realtek RTL8821CE Wi-Fi 5 + Bluetooth 4.2

Power

Internal power supply
180W 80 PLUS Gold, 260W 80 PLUS Platinum, or 400W 80 PLUS Platinum (90/92/89% at 115V; 91/93/90% at 230V), active PFC
Operating voltage
90-264 Vac, 47-63 Hz
Cord length
6.0 ft (1.83 m)

Ports

Front
1 x optional slim optical drive, 1 x front FlexIO dual-USB module (optional), 2 x USB-A SuperSpeed 10Gbps, 1 x USB-A SuperSpeed 10Gbps, 1 x USB-C SuperSpeed 10Gbps, combo audio jack (CTIA/OMTP), power button, HDD activity light
Rear
1 x DisplayPort 1.4a (dual-mode), 1 x HDMI 1.4b, 3 x USB-A SuperSpeed 5Gbps, 2 x USB-A Hi-Speed 480Mbps, audio line-in/line-out, RJ-45, power cord connector, cable lock slot, integrated keyboard/mouse wire hoop, padlock loop
Flex Port (rear, choice of one)
DisplayPort 1.4a, HDMI 2.1, VGA, Serial, dual USB-A SuperSpeed 5Gbps, or USB-C SuperSpeed 10Gbps w/ DisplayPort Alt Mode
Optional legacy cards
PS/2 (2-port) + serial combo card, parallel port, or 4-port serial PCIe card (each occupies one rear expansion slot)

Physical

Dimensions (W x D x H)
155 x 308 x 337 mm (6.1 x 12.13 x 13.27 in)
Volume
16.1 L (981.9 cu in)
Weight
5.31 kg (11.7 lb)
Max supported weight (desktop orientation)
5.08 kg (11.2 lb)

Management

Security
TPM 2.0 (Infineon SLB9672 or Nuvoton NPCT760HABYX), Common Criteria EAL4+ and FIPS 140-2 Level 2 certified; optional add-on intrusion sensor; SATA port disablement via BIOS; cable lock and padlock support; HP Wolf Security for Business (Sure Click, Sure Sense); Intel vPro on supported CPUs

Operating systems

Options
Windows 11 Pro, Windows 11 Pro Education, Windows 11 Home, Windows 11 Home Single Language, Windows 11 Pro (Enterprise or Windows 10 Enterprise available via Volume Licensing), FreeDOS

Processors

  • Intel Core i7-12700
  • Intel Core i5-12600
  • Intel Core i5-12500
  • Intel Core i5-12400
  • Intel Core i3-12300
  • Intel Core i3-12100
  • Intel Pentium Gold G7400
  • Intel Celeron 6900
  • Intel Core i7-13700
  • Intel Core i5-13500
  • Intel Core i5-13400
  • Intel Core i3-13100
  • Intel Core i7-14700
  • Intel Core i5-14500
  • Intel Core i5-14400
  • Intel Core i3-14100
  • Intel Core 300