Intel® Desktop Board DP55SB Technical Product Specification is the official technical specification for Intel® Desktop Board DP55SB product, published in September 2009, with version -001.
This Technical Product Specification describes the Intel DP55SB desktop board, covering its layout, components, power requirements, BIOS features, and regulatory compliance. It is intended for vendors, system integrators, and engineers who need in‑depth technical data.
The document includes sections on memory configurations, connector pin‑outs, mechanical dimensions, electrical considerations, BIOS setup options, error codes, and environmental specifications, as well as a complete list of supported interfaces and expansion slots.
| Form Factor | MicroATX (9.60" x 9.60") |
|---|---|
| Processor Socket | LGA1156, supports Intel Core i7 and i5 |
| Memory Slots | Four 240‑pin DDR3 DIMM sockets |
| Maximum Memory | 16 GB (four 2 GB DIMMs) |
| Supported Memory Speeds | DDR3‑1600, DDR3‑1333, DDR3‑1066 |
| Chipset | Intel® P55 Express Platform Controller Hub |
| USB Ports | Fourteen USB 2.0 ports |
| SATA Interfaces | Eight SATA 3.0 Gb/s ports (six via PCH, two via Marvell controller) |
| Ethernet Controller | Intel® 82578DC Gigabit Ethernet |
| Audio Codec | Realtek ALC889 HD Audio codec |
| Fan Headers | Three PWM fan headers |
| PCI Express Slots | 1 × 16 (x8 mode), 1 × 8, 2 × 1 |
It uses a MicroATX form factor measuring 9.60 inches by 9.60 inches.
The board provides four DDR3 DIMM slots and supports up to 16 GB of system memory.
The Intel DP55SB includes an Intel 82578DC Gigabit Ethernet controller.
The motherboard provides fourteen USB 2.0 ports.