Description:
The HP Elite 8100 / 8180 Elite CMT Motherboard (531990-001 / 505799-001) is an original HP OEM system board designed for the HP Compaq Elite 8100 and 8180 Elite Convertible Minitower (CMT) series desktops. Built for reliability in office and business environments, this board supports Intel LGA1156 processors and DDR3 memory, offering a stable computing foundation for productivity, communications, and legacy business applications. Its integrated graphics support, network connectivity, and multiple expansion slots make it ideal for system upgrades, repairs, or refurbishing of older Elite systems.
Specification:
| Specification | Details |
|---|---|
| Brand | HP |
| Compatible Systems | HP Elite 8100 / 8180 Elite CMT desktops |
| Part Numbers | 531990-001, 505799-001 (also commonly referenced as 505800-000) |
| CPU Socket | Intel LGA1156 |
| Chipset | Intel Q57 Express |
| Memory Type | DDR3 SDRAM |
| Memory Slots | 4 × DIMM DDR3, Dual Channel |
| Maximum Memory | Up to 16 GB DDR3 |
| Supported CPUs | Intel Pentium / Core i3 / Core i5 / Core i7 (LGA1156) |
| Integrated Graphics | CPU-dependent Intel HD Graphics |
| Networking | Integrated Intel Gigabit Ethernet (82578) |
| Audio | Integrated HD Audio (Realtek codec) |
| Expansion Slots | PCIe ×16, PCIe ×1, several legacy PCI |
| Storage Interfaces | SATA II (3 Gb/s) ports |
| Rear I/O | USB ports, VGA, DisplayPort, Ethernet, audio jacks |
| Form Factor | ATX OEM (HP-specific layout) |
| Use Case | Business / Office Desktop |












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