# DDR SO-DIMM

> smaller form factor of DDR DIMM

**Wikidata**: [Q107449622](https://www.wikidata.org/wiki/Q107449622)  
**Source**: https://4ort.xyz/entity/ddr-so-dimm

## Summary
DDR SO-DIMM is a smaller form factor variant of DDR DIMM, designed for compact devices like laptops and small form factor PCs. It maintains the same DDR SDRAM technology but in a more space-efficient package, making it ideal for portable computing.

## Key Facts
- A smaller form factor of DDR DIMM, specifically designed for portable devices
- Part of the SO-DIMM family, which is a compact version of the standard DIMM
- Uses the same DDR SDRAM technology as standard DDR DIMMs but in a reduced size
- Introduced to address the need for memory in thinner, lighter laptops and embedded systems
- Followed by DDR2 SO-DIMM, which improved performance and efficiency
- Commonly used in laptops, netbooks, and other compact computing devices
- Features a 64-bit data path, similar to standard DIMMs but in a smaller physical footprint
- Part of the broader DDR SDRAM memory hierarchy, representing the first generation of double-data-rate synchronous DRAM

## FAQs
### Q: What devices typically use DDR SO-DIMM?
A: DDR SO-DIMM is commonly found in laptops, netbooks, and other compact computing devices where space efficiency is crucial.

### Q: How does DDR SO-DIMM differ from standard DDR DIMM?
A: DDR SO-DIMM is a smaller form factor variant of DDR DIMM, designed for portable devices, while standard DDR DIMMs are used in desktops and servers.

### Q: What is the successor to DDR SO-DIMM?
A: The successor is DDR2 SO-DIMM, which introduced improved performance and efficiency for compact memory modules.

### Q: What is the data path width of DDR SO-DIMM?
A: DDR SO-DIMM has a 64-bit data path, the same as standard DDR DIMMs, but in a more compact package.

### Q: What type of memory technology does DDR SO-DIMM use?
A: DDR SO-DIMM uses DDR SDRAM technology, representing the first generation of double-data-rate synchronous DRAM.

## Why It Matters
DDR SO-DIMM was a pivotal development in memory technology, enabling the miniaturization of computing devices. As laptops and portable electronics became more prevalent, the need for compact memory solutions grew. DDR SO-DIMM filled this gap by providing the same high-speed performance of DDR SDRAM in a smaller, more efficient package. This innovation was crucial for the evolution of portable computing, allowing for thinner, lighter devices with better performance. The introduction of DDR2 SO-DIMM later built on this foundation, further advancing memory technology for compact systems. Without DDR SO-DIMM, the modern portable computing experience would not be as advanced or efficient as it is today.

## Notable For
- Being the first compact memory module for portable devices, enabling thinner and lighter laptops
- Maintaining the same high-speed DDR SDRAM technology in a smaller form factor
- Paving the way for the development of DDR2 SO-DIMM, which improved performance and efficiency
- Supporting the 64-bit data path of standard DDR DIMMs in a more space-efficient design
- Playing a key role in the miniaturization of computing devices, including laptops and netbooks

## Body
### Overview
DDR SO-DIMM is a smaller form factor variant of DDR DIMM, designed specifically for portable computing devices. It retains the same DDR SDRAM technology as standard DDR DIMMs but in a more compact package, making it ideal for laptops, netbooks, and other compact systems.

### Technical Specifications
- **Form Factor**: SO-DIMM (Small Outline Dual In-line Memory Module)
- **Data Path**: 64-bit, same as standard DDR DIMMs
- **Technology**: DDR SDRAM (Double Data Rate Synchronous Dynamic Random Access Memory)
- **Successor**: DDR2 SO-DIMM, which introduced improved performance and efficiency

### Applications
- **Laptops**: DDR SO-DIMM was widely used in early laptops to provide memory in a compact form factor.
- **Netbooks**: These small, portable computers relied on DDR SO-DIMM for their memory needs.
- **Embedded Systems**: DDR SO-DIMM was also used in various embedded systems requiring compact memory solutions.

### Evolution
- **Predecessor**: Standard DDR DIMM, used in desktops and servers.
- **Successor**: DDR2 SO-DIMM, which improved performance and efficiency for compact memory modules.

### Impact
- **Portable Computing**: DDR SO-DIMM was instrumental in the development of portable computing devices, enabling thinner and lighter designs.
- **Memory Technology**: It represented a significant step forward in memory technology for compact systems, paving the way for future advancements.

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