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IBM 4494-9117 16GB Kit (4x4GB) DDR-266MHz Micro-DIMM 4Rx8 CL2.5 Memory
- Total Capacity: 16GB
- Module Configuration: 4 x 4GB
- Memory Type: DDR
- Speed: 266MHz (PC2100)
- Form Factor: Micro-DIMM
- Rank: 4Rx8 (Quad Rank x8)
- Latency: CL2.5
- Manufacturer: IBM
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Product Overview
This IBM memory kit includes 16GB of DDR-266MHz Micro-DIMM memory, configured as 4x4GB modules. It is a 4Rx8 configuration with CL2.5 latency, designed for specific IBM systems requiring higher capacity.
Technical Information
| Brand | IBM |
| Model | 4494-9117 |
| Total Capacity | 16GB |
| Module Size | 4GB |
| Number of Modules | 4 |
Additional Specifications
| Memory Type | DDR |
| Speed | 266MHz |
| Form Factor | Micro-DIMM |
| Rank | 4Rx8 |
| CAS Latency | CL2.5 |
Product Description
The IBM 4494-9117 is a high-capacity memory upgrade kit designed for compatible IBM systems that support Micro-DIMM modules. This kit provides a substantial 16 Gigabytes of Random Access Memory (RAM), comprised of four individual 4GB modules. The memory technology is DDR (Double Data Rate), operating at a frequency of 266MHz, which corresponds to the PC2100 specification. This speed was prevalent in servers, workstations, and high-end desktops of its era. The modules use the Micro-DIMM form factor, a compact alternative to standard DIMMs, often employed in space-constrained or specialized computing environments. The configuration is specified as 4Rx8, indicating that each module is quad-rank and uses eight memory chips per rank. This configuration can sometimes impact system compatibility or performance characteristics compared to single or dual-rank modules, depending on the memory controller's design. The CAS Latency (CL) is set at 2.5, defining the timing for data access. This 16GB kit is intended for IBM systems that can accommodate and benefit from such a large amount of RAM at DDR-266MHz speeds, particularly those utilizing Micro-DIMMs. The 4Rx8 configuration suggests it might be targeted at specific server or workstation platforms that are designed to handle higher memory densities. Users must confirm system compatibility, including the maximum supported memory capacity, module type, and rank configuration, before installing this memory.
