HP ProDesk 400 G4 SFF case front and back pannel

HP ProDesk 400 G4 SFF

Specification and Upgrade Options

The HP ProDesk 400 G4 SFF is a pre-built entry-level business desktop computer first released in 2017. The motherboard is using the H270 chipset and supports 7th gen Intel Core processor, and 64GB of DIMM DDR4-2400 memory.

HP ProDesk 400 G4 SFF is a Small form factor computer. The Small Form Factor (SFF) is an in-between model. It has less space for the larger form factors (Mid tower, Mini tower, and Desktop), but it is still easily upgradable. Usually the SFF come with 2x PCIe slots, so fitting a low profile graphics card is possible.

Specification

Model
Form factorSmall
CPU optionsIntel Gen6&7 i3/i5/i7; Celeron; Pentium;
ChipsetH270
Dedicated GPU *GeForce GT 1030 Low Profile
RAMDIMM DDR4-2400
RAM slots2
RAM speed2400 MT/s
RAM max64 GB
USB ports(4x)USB-A 3.0; (4x)USB-A 2.0;
Video portsDisplayPort; VGA;
Other portsRJ45; Headset; Line-Out; Line-In;
Optional portsSD card reader; Serial and (2x) PS2;
SATA ports2
PCI slotsPCIe 3.0 x16; PCIe 3.0 x4;
M.2 slotsM.2 2230 (WiFi/BT)
Drive bays2.5in/3.5in; 5.25in (slim)
PSU180 W
Weight4.6 kg (10.14 lb)
Released2017
Manuallink
Price**Check Price

* Dedicated GPU warning: Check if your particular power supply model has enough power. Additionally some PSUs don't come with an auxiliary PCIe power connector and you may need to buy a SATA to PCIe power adapter.
** As an Amazon associate we earn from qualifying purchases.

Windows 11 compatibility

No, HP ProDesk 400 G4 SFF does not meet the Windows 11 hardware requirements. According to Windows 11 specification, all models with Intel 7th Gen CPU or older are not officially supported. Processor with TPM 2.0 and a UEFI Secure boot BIOS is also required in order to upgrade from Windows 10 to Windows 11 through Windows Update.

However, anyone with PC that does not pass the upgrade test can download the official Windows 11 ISO, make a bootable flash drive, and install the OS manually.

Processor

The HP ProDesk 400 G4 SFF supports Gen7 Intel Core technology. The 7th generation of Intel Core processors were introduced in 2016. Named Kaby Lake, they are refresh of the 6th gen architecture with few efficiencies and power improvements and the same 14nm manufacturing process. Kaby Lake introduces a new graphics architecture that improves 3D performance, 4K playback and HDCP 2.2 support. Processors in this generation use LGA 1151 socket and have dual-channel support for DDR4-2400 RAM slots.

Best CPUs for HP ProDesk 400 G4 SFF upgrade:

Model Cores (Threads) Base frequency Turbo
Core i5 7500 4(4) 3.4 GHz 3.8 GHz
Core i5 7600 4(4) 3.5 GHz 4.1 GHz
Core i7 7700 4(8) 3.6 GHz 4.2 GHz

Memory

HP ProDesk 400 G4 SFF has two RAM slots. This is more than enough for most users. For those of you who need extra flexibility and RAM size, go for a model with 4 memory slots.

To cover the needs of your OS, games, and apps, HP ProDesk 400 G4 SFF supports up to 64 GB of DIMM DDR4-2400 RAM. For office work, home use, and light gaming we recommend 8GB of RAM. For everything else, use 16GB or more.

Faster RAM speeds permit your processor to access the data stored inside the memory faster. This is important for the overall speed of your system. The motherboard of the HP ProDesk 400 G4 SFF supports RAM speeds of up to 2400 MT/s.

Wi-Fi Support

HP ProDesk 400 G4 SFF comes equipped with an on-board M.2 2230 (WiFi/BT) slot. This slot is used for a Wi-Fi and Bluetooth combo card.

Best Wireless adapters for HP ProDesk 400 G4 SFF:

Model Speed Frequency Interface
WiFi 6E (Gig+) Kit 3000 Mbit/s 2.4GHz / 5GHz NGFF M.2 A/E Key
Rekong AX210 3000 Mbit/s 2.4GHz / 5GHz NGFF M.2 A/E Key
Gigabyte GC-Wbax200 2400 Mbit/s 2.4GHz / 5GHz PCIe
TP-Link Archer TX50E 2400 Mbit/s 2.4GHz / 5GHz PCIe
TP-Link Archer T9UH 1300 Mbit/s 2.4GHz / 5GHz USB 3.0

Ports

Ports are important and often people don't think about them when buying a PC. For example, if you don't have enough USB ports, using external devices becomes problematic. Before you buy any system, considering your use case, check the number of external devices you are going to use and plan the number of the extension ports accordingly.

USB ports

The HP ProDesk 400 G4 SFF comes with eight USB ports in total. Having more USB ports is always better, but also pay attention to the version of those USB ports. Higher version ports support faster transfer speeds. Unfortunately, this model doesn't come with a USB 3.1 port. If you need a faster connection for your peripherals, like external Solid State Drive, you will need to choose another model.

Video ports

The DisplayPort (DP) is the most widely used digital interface for transmitting digital video and audio between display devices and PCs. It is good to see that the HP ProDesk 400 G4 SFF is featuring a DisplayPort 1.2. The post version is important if you target higher resolutions with high refresh rate. Although, ver. 1.2 is completely fine for most users, if possible, aim for the higher versions DisplayPort.

The HDMI port is another digital video port you can use to connect external display. It has very similar capabilities to the DisplayPort with few exceptions. However, the HP ProDesk 400 G4 SFF doesn't have one. This is not a problem if there is on-board DisplayPort.

*Please keep in mind in order to use the video ports available through the motherboard, you need a CPU with integrated graphics card. If you have a dedicated GPU, use his ports instead.

SSD storage - M.2 sockets and SATA ports

The SATA port is one of the places where you can connect a stora gedevice. The HP ProDesk 400 G4 SFF comes with two SATA port(s). Not enough SATA ports might limit your options for additional storage devices. Think about your use case and decide if the SATA ports provided by this model will be sufficient.

Unfortunately, the HP ProDesk 400 G4 SFF has no M.2 PCIe soket and you have to rely on the available SATA ports to connect your drives.

The M.2 PCIe SSD connector in combination with an NVMe drive allows for higher transfer rates, compared to the old SATA interface. In some situations, NVMe device connected to the M.2 PCIe socket can be more than 5 times faster.

Power Supply

The HP ProDesk 400 G4 SFF comes with a 180 Watt PSU. Having a power supply with high power rating is important, especially if you are doing upgrade with addtional components, like dedicated GPU and more HDDs. Will this 180 W be enough, it all depends on your specific use. Please keep in mind that some models might have more than one PSU option. Whenever possible get the most powerful one, as it might make future upgrades easier.

Motherboard

HP_ProDesk_400_G4_SFF_motherboard.jpg motherboard layout