| Category | Specification | | :--- | :--- | | | FXM1 (Printed on PCB: E93839) | | Form Factor | Proprietary AIO (Fits HP Pavilion 21, 23, 24 AIO series) | | Chipset | Intel H81 (Most common) or H61 (early revisions) | | CPU Socket | LGA 1150 | | Supported CPUs | Intel Haswell (4th Gen): Celeron, Pentium, Core i3/i5/i7 (max 65W TDP) | | RAM | 2x DDR3 SODIMM slots (laptop RAM, max 16GB, 1333/1600MHz) | | Storage | 1x SATA 3.0 (6Gb/s) + 1x SATA 2.0 (3Gb/s) for HDD/SSD | | Expansion | 1x Mini PCIe (half-size, usually for WiFi) | | Rear I/O | 4x USB 2.0, 2x USB 3.0, RJ45 LAN, Audio out/mic, VGA (internal LVDS for display) | | Power | External 90W–120W laptop-style adapter (19.5V) |
The board is modern in its approach, featuring a primary M.2 NVMe slot . It lacks native SATA data ports on the board itself, meaning traditional 2.5" SSDs or HDDs require a specific HP drive cage and cable kit that connects to the motherboard's SATA header (if populated) or USB header. hp fxn1 e93839 motherboard specs 2021
How to verify exact specs for your unit (practical steps) | Category | Specification | | :--- |
The allows for a discrete graphics card. However, note that older OEM motherboards like this one often have issues with modern UEFI-only GPUs. You may need to find a GPU with Legacy BIOS / CSM (Compatibility Support Module) support . Popular upgrade options include the NVIDIA GeForce GTX 750 Ti, GTX 960, or GTX 1050 Ti , or AMD equivalents like the Radeon RX 460/560 , as many of these models offer good performance while maintaining compatibility with older systems. However, note that older OEM motherboards like this