HP ProDesk 400/600/ EliteDesk 800 G4 Mini

HP ProDesk G4 Desktop Mini PC

Manufacturer	HP
Product family	ProDesk
Generation	G4
Release date	2017 (2017)
Discontinued	Yes
Memory	Up to 64 GB, DDR4 2666MHz
Memory slots	2 DDR4 SODIMM
Storage slots	Up to two M.2 NVMe PCIe 3.0 4x slots Single 2.5 drive cage (optional)
Removable storage	No SD card slot
Graphics	Intel UHD Graphics 630 Intel UHD Graphics 610
Sound	Conexant CX20632 Audio Codec
Connectivity	Single 1Gbit Ethernet port, WiFi module optional (M.2 WiFi slot, antenna not included in non WiFi units)
Power	35W 65W 95W
Platform	Intel B360/Q370Chipset
Dimensions	W: 6.97 inches (17.7 cm) D: 6.89 inches (17.5 cm) H: 1.35 inches (3.4 cm)
Mass	2.75 pounds (1.25 kg)
Predecessor	HP G3 Mini
Successor	HP G5 Mini
Website	HP ProDesk 400 G4 Desktop Mini Business PC Specifications

All statements attributed to reviews are the reviewer's own opinion. Note that these claims were accurate at the time of publication and may be dated when you are reading this article. Read more.

Editors note: I own one HP ProDesk 400 G4 Mini, one ProDesk 600 G4 Mini and one EliteDesk 800 G4 Mini
Some of the information, like Network Card chipsets, come from my own units and might vary from unit to unit

Differences

Model	ProDesk 400 G4 Mini	ProDesk 600 G4 Mini	EliteDesk 800 G4 Mini
Processor	Intel 8th gen Desktop T (35W)	Intel 8th gen Desktop T (35W)	Intel 8th gen Desktop T (35W) Intel 8th gen Desktop (65W, 95W)
Chipset	Intel B360	Intel Q370	Intel Q370
Graphics	Intel HD Graphics	Intel HD Graphics	Intel HD Graphics AMD Radeon RX560 4GB
Memory	2x DDR4 memory slot, up to 2666MHz	2x DDR4 memory slot, up to 2666MHz	2x DDR4 memory slot, up to 2666MHz
Storage	1x M.2 2280 PCIe 3.0 slot, proprietary 2.5 SATA port	2x M.2 2280 PCIe 3.0 slot, proprietary 2.5 SATA port	2x M.2 2280 PCIe 3.0 slot, proprietary 2.5 SATA port
Networking	1 Gigabit Realtek RTL8111/8168/8411, M.2 2230 A+E WiFi card slot (WiFi 6 antennas not included on non WiFi models)	1 Gigabit Intel I219-LM, M.2 2230 A+E WiFi card slot (WiFi 6 antennas not included on non WiFi models)	1 Gigabit Intel I219-LM, M.2 2230 A+E WiFi card slot (WiFi 6 antennas not included on non WiFi models)
Management	No	No	Intel vPro, Intel ME, Intel AMT
Expansion	1x HP FlexIO v1 Slot	1x HP FlexIO v1 Slot	1x HP FlexIO v1 Slot 1x proprietary graphics card port
Power	35W CPU, 65W power supply	35W CPU, 65W power supply	35W CPU, 65W PSU 65W CPU, 95W PSU 65W CPU, 150W PSU (required for Radeon GPU)

Primary Hardware

This section was written by AI and requires review. Remove this after review.

Processor

The HP G4 Mini can be configured with a variety of Intel processors, including:

• Intel Core i7-8700T: 6 cores, 12 threads, 2.4 GHz base frequency, up to 4.0 GHz with Turbo Boost, 12 MB cache, 35 W TDP
• Intel Core i5-8600T: 6 cores, 6 threads, 2.3 GHz base frequency, up to 3.7 GHz with Turbo Boost, 9 MB cache, 35 W TDP
• Intel Core i5-8500T: 6 cores, 6 threads, 2.1 GHz base frequency, up to 3.5 GHz with Turbo Boost, 9 MB cache, 35 W TDP
• Intel Core i3-8300T: 4 cores, 4 threads, 3.2 GHz base frequency, 8 MB cache, 35 W TDP
• Intel Core i3-8100T: 4 cores, 4 threads, 3.1 GHz base frequency, 6 MB cache, 35 W TDP
• Intel Pentium Gold G5500T: 2 cores, 4 threads, 3.2 GHz base frequency, 4 MB cache, 35 W TDP
• Intel Pentium Gold G5400T: 2 cores, 4 threads, 3.1 GHz base frequency, 4 MB cache, 35 W TDP
• Intel Celeron G4900T: 2 cores, 2 threads, 2.9 GHz base frequency, 2 MB cache, 35 W TDP

Non T CPUs supported on 65W and 95W SKUs of 400 G4 , 600 G4 and 800 G4. Vast majority of models on the user market are 35W variants.

Some users also report it is possible to use 9th gen CPUs in the G4 and 8th gen CPUs in the G5

Graphics

• Intel HD graphics (HD630, HD610) depending on the CPU
• AMD Radeon RX 560, proprietary module, only for 95W models

Memory

• 2 DDR4 SODIMM slots
• Up to 64GB of RAM (tested with 2 x 32GB modules)
• Limited to 2666MHz (3200MHz memory will work but will be downlocked

Storage

• All 3 variants have a proprietary SATA port for a ribbon cable adapter
  • HDD bay is not included unless purchased with a HDD when new
  • Some HDD caddys might include a fan. Some users report a FAN error when SATA drive is connected without a drive caddy fan
  • It is possible to 3D print a drive bracket from PETG plastic
• Two M.2 2280 NVMe PCIe 3.0 4x slots on ProDesk 600 G4 and EliteDesk 800 G4
  • With OEM HDD caddy only one M.2 2280 slot can be used. Recommended to use a 3D printed bracket if used with a 2.5inch SSD
• Single M.2 M.2 2280 NVMe PCIe 3.0 4x slot on ProDesk 400 G4

• 2TB SSD tested in M.2 slot
  • Can most likely accept 8TB or larger SSDs
  • Downclocking from PCIe 4.0 to PCIe 3.0 works

Output Devices

This section was written by AI and requires review. Remove this after review.

Audio

• Conexant CX20632 Audio Codec
• 2 W class D mono amplifier for the internal speaker:
• Headset connector (front) supporting CTIA style headsets, retaskable as Line-in, Line-out, Microphone-in, or Headphone-out
• Headphone port (front)
• Line-out port (rear), Optional

Connectivity

Networking/Communications

• Single 1Gbit Ethernet network adapter
  • HP ProDesk 400 G4 Mini: Realtek RTL8111/8168/8411
  • HP ProDesk 600 G4 Mini: Intel I219-LM (Can cause issues with Proxmox and network adapter resets, see Proxmox Forum)
  • HP ProDesk 800 G4 Mini: Intel I219-LM

Ports/Slots/Bays

• Standard Ports:
  • 2 x DisplayPort 1.2 (rear)
  • 4 x USB 2.0 (rear)
  • 2 x USB 3.1 Gen 1 (rear)
  • 1 x USB C (front), ProDesk 600 G4 Mini and EliteDesk 800 G4 Mini only
  • 1 x Headphone (front)
  • 1 x Universal Audio Jack with CTIA headset support (front)
  • 1 x RJ-45 Ethernet (rear)
  • 1 x Optional Serial RS-232 (rear)
  • 1 x 2.5 SATA port (internal), proprietary, port always included but ribbon cable optional, combined power and data
  • M.2 2230 PCIe 3.0 1x slot for WiFi cards, A+E key (Also possible to use with 2.5Gig network cards)
• 1x HP FlexIO V1 expansion slot
  Possible cards
  • DisplayPort
  • VGA
  • USB C (10Gbit, DisplayPort, 15W power out)
  • HDMI 1.4
  • RS232 Serial

Power Supply

• External power brick
• 35W models - 65W power supply
• 65W models - 90W power supply
• 95W models - 150W power supply

Physical Specifications

• Chassis dimensions (W x D x H): 177.03 x 175.0 x 34.29 mm (6.97 x 6.89 x 1.35 in)
• Packaged dimensions (W x D x H): 497.07 x 128.01 x 223.01 mm (19.57 x 5.04 x 8.78 in)
• System volume: 64 cu in (1.05 L)
• System weight: 1.25 kg (2.75 lb)
• Shipping weight: 2.97 kg (6.55 lb)

Management

• Only EliteDesk 800 supports vPro, varies from SKU to SKU, check the Intel sticker on the chassis

Community Reception

• Very popular in homelab community
• Great Linux compatibility
• Popular as a Proxmox hypervisor
• Quite cheap and have very low idle power
• Part of lineup known as TinyMiniMicro, see ServeTheHome review

Problems Summary

• Intel I219 network card prone to crashes under sustained load in Debian, see Proxmox Forums
• BIOS boot menu empty - perform a BIOS update

Pricing

• Expect to pay around 120€ to 150€ for a 35W model with an Intel Core i5 8500T, 8GB of RAM, 256GB SSD and 65W power supply as of August 2024