What is SO DIMM SOCKET?
The SO-DIMM Socket (Small Outline Dual In-line Memory Module Socket) is a memory interface specifically designed for space-constrained systems. It is widely used in laptops, mini-PCs, industrial computers, and networking equipment.
Features and Applications of SO DIMM SOCKET
Main features
- Compact SizeAbout half the size of a standard desktop DIMM socket, effectively saving motherboard space.
- Diverse HeightsAvailable in multiple heights (e.g., 4.0mm, 5.2mm, 8.0mm, 9.2mm) to accommodate ultrathin laptops or stacking requirements.
- Standard and Reverse DesignsOffers both Standard and Reverse types, allowing flexible layout on either side of the PCB.
Pin Specifications by Generation
| Memory Type | Pin Count | Common Usage and Features |
|---|---|---|
| DDR5 | 262-Pin | Latest standard, starting frequency above 4800MHz, with built-in On-die ECC. |
| DDR4 | 260-Pin | Mainstream in the market, supports high bandwidth and low power operation. |
| DDR3 | 204-Pin | Common in older laptops and embedded devices. |
| DDR2 | 200-Pin | Earlier generation specification. |
| SDRAM | 144-Pin | Used in traditional early laptops. |
Common Application Scenarios
- Mobile Computing: Laptops, 2-in-1 tablets
- Small Systems: Mini-PCs, Nano-ITX motherboards
- Industrial & Embedded: IPCs, automation control systems
- Networking Equipment: High-end printers, routers, NAS storage devices
Installation and Expansion Recommendations
- Dual-Channel Configuration: Most systems feature two sockets; using paired modules enables dual-channel mode for better performance.
- Height Limitations: When upgrading or repairing, check system casing height to avoid selecting overly tall sockets or heat sink modules that prevent closure.
Where to Buy SO DIMM SOCKET
SO DIMM SOCKET is a long-established product. Taiwanese manufacturers such as Chun Chi Industrial Co., Ltd. and Anytronic Corporation Limited have been producing them since 1988. Their products—made from LCP and NY9T materials—are available in various height specifications and are widely used in laptops, mini-PCs, and other electronic devices.
Introduction to SO DIMM SOCKET Specifications and Components
