Title: HP FXN1 (E93839) Motherboard Specs & 2021 Update
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If you are looking up the HP FXN1 motherboard (spare part number E93839), you likely own an HP ProDesk 400 G5 or HP EliteDesk 705 G4 Small Form Factor (SFF) or Microtower (MT) PC.
Here is the full specification sheet for this motherboard as it stood in 2021 (and remains accurate for legacy support).
In the landscape of enterprise computing, the motherboard is rarely the star of the show. However, for IT professionals and PC builders looking to extend the life of office workstations, the motherboard is the critical component that dictates performance limits. One such board that saw widespread deployment in business environments during the early 2020s is the HP FXN1, identifiable by the code E93839.
While 2021 marked a transitional period in PC hardware, this motherboard remained a staple in many HP Desktop Mini (DM) and ProDesktop units. Below is a detailed breakdown of the specs, capabilities, and use cases for the HP FXN1 E93839.
| Feature | Specification | | :--- | :--- | | Model | HP FXM1 (E93839-001 / -002) | | Socket | LGA 1150 | | Chipset | Intel H81 | | Max RAM | 16GB DDR3 (2 slots) | | Storage | 3x SATA (2x 6Gb/s, 1x 3Gb/s) | | Video Out | VGA + DisplayPort | | USB Ports | 4x Rear (2x USB 3.0) + Headers | | PSU Connector | HP 6-pin (Proprietary) | | Best CPU | Intel Core i7-4790 (65W TDP) |
Conclusion for Searchers (2021): The HP FXM1 E93839 is a perfectly functional, low-cost motherboard for refurbishing an old HP ProDesk 400 G2. However, by 2021 standards, its lack of M.2, TPM 2.0, and proprietary power make it unsuitable for a new gaming build or a Windows 11 upgrade. Treat it as a "repair and recycle" part, not a performance platform.
This motherboard was a staple in HP's 2021 desktop lineup, specifically designed for business and enterprise environments.
The FXN1 E93839 is identical or functionally equivalent to these HP part numbers:
It fits the following chassis (2018-2020): hp fxn1 e93839 motherboard specs 2021
Last updated: 2021 specs based on HP technical documentation and user benchmarks. Revisions may exist – always visually verify your board’s power connector and mounting holes before purchase.
The HP FXN1 E93839 (often labeled as the E93839) is a proprietary OEM motherboard primarily designed for HP's business-class desktops and workstations. In 2021, this board remained a popular choice for budget-conscious users looking to refurbish or upgrade systems like the HP EliteDesk 800 G2 or G3 series. Core Technical Specifications
The E93839 FXN1 is typically built on a modified ATX or SFF (Small Form Factor) design, depending on the specific chassis it was pulled from.
Socket & Chipset: It features the LGA 1151 socket, which supports 6th, 7th, and sometimes 8th generation Intel Core processors (Skylake and Kaby Lake architectures). Some earlier variations using the E93839 designation may feature the LGA 1155 or LGA 1150 sockets for older 2nd to 4th generation CPUs.
Memory Support: Most 2021-relevant versions support DDR4 SDRAM across four slots, allowing for a maximum of 64GB (4 x 16GB) with speeds typically up to 2400MHz. Expansion Slots:
1 x PCIe 3.0 x16: Primary slot for dedicated graphics cards. Multiple PCIe x1: For networking or sound cards.
M.2 Slots: Many versions include an M.2 socket for NVMe SSDs and a separate M.2 socket for WLAN/Bluetooth modules. Ports and Connectivity
The board is engineered for professional environments, offering a robust array of I/O options:
Video Output: Dual DisplayPort and often a VGA or HDMI port for multi-monitor setups.
USB Support: Includes a mix of USB 3.0 (SuperSpeed) and USB 2.0 ports; some G3 models even feature a USB-C port. Title: HP FXN1 (E93839) Motherboard Specs & 2021
Storage: At least two to four SATA III (6Gb/s) connectors for internal HDDs and SSDs.
Networking: Integrated Intel I219-LM Gigabit Ethernet for reliable wired connections. Compatibility and Limitations
While the FXN1 E93839 is a versatile board, its proprietary nature introduces specific constraints: HP Desktop PCs - Motherboard Specifications, Row
Two M.2 expansion slots. One M.2 socket 1, type 2230 for WLAN. One M.2 socket 3, Key M, type 2280 for SSD.
HP E93839 FXN1 is a proprietary motherboard used in business-class desktops, most notably the HP Compaq 8200 Elite
series (SFF, MT, and CMT models). While searching for "2021" specs may bring up newer components used for upgrades, the core architecture is based on the Intel Q67 Express Core Technical Specifications LGA 1155 (Socket H2). Intel Q67 Express. CPU Support:
Supports 2nd Generation Intel Core i3, i5, and i7 processors (Sandy Bridge architecture) . Common models include the 4 x DDR3 DIMM slots. Supports up to
of DDR3-1333 MHz or 1600 MHz RAM (1600 MHz will typically down-throttle to 1333 MHz). Form Factor:
MicroATX (uATX) or modified proprietary ATX, specifically designed for HP Elite 8200 chassis. HP Support Community Graphics and Expansion Integrated Graphics:
Supports Intel HD Graphics (2000/3000) depending on the installed CPU. Expansion Slots: 1 x PCIe 2.0 x16 (for discrete graphics). 1 x PCIe 2.0 x4. 1 x PCIe 2.0 x1. 1 x Legacy PCI slot. GPU Upgrades: For SFF models, only low-profile graphics cards (e.g., GTX 1650 LP ) with low-profile brackets will fit HP Support Community I/O and Connectivity Rear Ports: it relies heavily on integrated graphics.
DisplayPort, VGA, 6 x USB 2.0, Ethernet (RJ-45), PS/2 keyboard and mouse, and Audio I/O. Internal Storage: 4 x SATA ports (typically SATA II and SATA III mixed). Usage Note (2021–Present)
HP FXN1 E93839 is a proprietary motherboard primarily used in business-class desktops like the HP Compaq 8200 Elite series. It features an LGA 1155 socket and uses the Intel Q67 Express chipset HP Support Community Core Specifications Socket Type : LGA 1155 (Socket H2). : Intel Q67 Express. Form Factor
: Proprietary "Modified ATX" or Small Form Factor (SFF) depending on the specific chassis (CMT or SFF). : 4 DIMM slots. : DDR3 SDRAM (non-ECC). Max Capacity : Up to 32GB total (4 x 8GB modules). : Officially supports up to 1333 MHz (PC3-10600). Processor Support
Designed for 2nd Generation Intel Core processors (Sandy Bridge).
Compatible CPUs include Intel Core i3, i5, and i7 series (e.g., i5-2400, i7-2600). : While physically similar, it generally does
support 3rd Gen (Ivy Bridge) or newer CPUs without specific BIOS updates, which are rare for these OEM boards. HP Support Community Connectivity & Expansion
HP E93839 Replacement 8200 Elite Desktop PC Motherboard - eBay
The rear I/O of the FXN1 E93839 provides robust connectivity options typical of the 2021 office standard:
As a business-class board, it relies heavily on integrated graphics.