GIGABYTE GA-H81M-S2PH DDR3 Intel Motherboard

The Gigabyte GA-H81M-S2PH is a Micro ATX motherboard built on Intel's H81 Express chipset, designed for 4th Generation Intel Core processors in the LGA1150 socket. It accepts a broad range of Intel CPUs — from Core i7 and i5 down to Core i3, Pentium, and Celeron — making it a practical foundation for budget desktop builds and office workstations that demand reliable, long-term operation. Memory support runs to two DDR3 DIMM slots in a dual-channel configuration, accommodating DDR3 1333 or 1600 MHz modules up to a combined 16 GB. Onboard graphics are delivered through the processor's integrated Intel HD Graphics engine, which feeds both a D-Sub port (up to 1920×1200) and an HDMI 1.4a port capable of driving a 4K display at 24 Hz or a 2560×1600 panel at 60 Hz — useful for everyday productivity without a discrete GPU. For audio, the board carries a Realtek ALC887 codec supporting High Definition Audio in up to 7.1-channel output, along with an S/PDIF Out header. Networking is handled by a Realtek Gigabit Ethernet controller rated for 10/100/1000 Mbit operation. Storage connectivity includes two SATA 6 Gb/s ports and two SATA 3 Gb/s ports sourced from the H81 chipset. Expansion is handled by one PCIe x16 slot (running at full x16 bandwidth, PCIe 2.0), one PCIe x1 slot, and two legacy PCI slots — a legacy-friendly arrangement for systems that still rely on older add-in cards. USB ports total eight: two USB 3.0/2.0 on the back panel plus two USB 2.0 on the back panel, with a further four USB 2.0 ports available via internal headers. The back panel also retains PS/2 keyboard and mouse ports, a parallel port, and a serial port for compatibility with legacy peripherals. Reliability features include Gigabyte's DualBIOS technology — a licensed AMI UEFI implementation with a primary and a backup flash chip (2 × 32 Mbit) — protecting the system against BIOS corruption from power failure or flashing errors. The board uses all-solid capacitors, Low RDS MOSFETs, Anti-Surge ICs, High Resistance ESD-protection ICs, and a Glass Fabric PCB for humidity resistance. Hardware monitoring covers CPU and system temperature, voltage, fan speed, overheating warnings, and fan-speed control. Verified Specifications: - Form Factor: Micro ATX, 244 mm × 180 mm - Socket: LGA1150 - Chipset: Intel H81 Express - Memory: 2 × DDR3 DIMM, up to 16 GB, DDR3 1333/1600 MHz, dual-channel, XMP support - Onboard Video: D-Sub (max 1920×1200); HDMI 1.4a (max 4096×2160 @ 24 Hz) - Audio: Realtek ALC887, HDA, up to 7.1-channel, S/PDIF Out - LAN: Realtek GbE (10/100/1000 Mbit) - Storage: 2 × SATA 6 Gb/s; 2 × SATA 3 Gb/s - Expansion Slots: 1 × PCIe x16 (PCIe 2.0), 1 × PCIe x1, 2 × PCI - USB: 2 × USB 3.0 + 4 × USB 2.0 (back panel); 4 × USB 2.0 (internal) - BIOS: AMI UEFI, DualBIOS, 2 × 32 Mbit flash - OS Support: Windows 10 / 8.1 / 8 / 7