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IBM 12R9274 4GB DDR-266MHz Micro-DIMM 4Rx8 CL2.5 Memory
- Capacity: 4GB
- Type: DDR SDRAM
- Speed: PC2100 (266MHz)
- Form Factor: Micro-DIMM
- Configuration: 4Rx8 (Quad Rank x8)
- CAS Latency: CL2.5
- Designed for specific IBM systems
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Product Overview
The IBM 12R9274 is a 4GB DDR memory module. It operates at 266MHz with CL2.5 timings and features a 4Rx8 configuration, designed for specific server or workstation applications.
Technical Information
| Product Type | Memory Module |
| Capacity | 4GB |
| Memory Type | DDR SDRAM |
| Speed | 266MHz (PC2100) |
Additional Specifications
| Form Factor | Micro-DIMM |
| Rank | 4Rx8 |
| CAS Latency | CL2.5 |
Product Description
The IBM 12R9274 is a 4GB memory module designed to enhance the performance of compatible IBM systems. It is based on DDR SDRAM technology, operating at a clock speed of 266MHz, which corresponds to the PC2100 standard. This speed offers a good balance between performance and compatibility for systems that support this generation of memory. A key characteristic of this module is its Micro-DIMM form factor. Micro-DIMMs are smaller than standard DIMMs and are typically used in compact computing devices such as certain laptops, small form factor PCs, or specialized server configurations where space is limited. The 4Rx8 configuration indicates that the module is quad-ranked, with each rank utilizing eight memory chips. This configuration can affect how the memory controller addresses the module and can influence system performance and capacity limits. With a CAS Latency (CL) of 2.5, this memory module specifies the number of clock cycles required to access data after a command is issued. Lower CL values generally indicate faster response times. This specific module is intended for systems that require this particular combination of capacity, speed, form factor, and rank configuration, often found in specific IBM ThinkPad or server models of the era.
