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Apple 661-3477 128MB DDR-400MHz UDIMM 1Rx16 CL3 Memory
- Capacity: 128MB
- Type: DDR SDRAM
- Form Factor: UDIMM
- Speed: 400MHz (PC2700)
- Rank: 1Rx16 (Single Rank x16)
- Latency: CL3
- Voltage: 2.5V
- Compatibility: Specific Apple Macintosh models
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Product Overview
The Apple 661-3477 is a 128MB DDR memory module designed for specific Apple Macintosh systems. It operates at 400MHz with a CL3 latency, providing essential memory for older Mac models.
Technical Information
| Memory Size | 128MB |
| Memory Type | DDR SDRAM |
| Memory Speed | 400MHz |
| Form Factor | UDIMM |
Additional Specifications
| Rank | 1Rx16 |
| CAS Latency | CL3 |
| Voltage | 2.5V |
Product Description
This Apple-branded memory module, SKU 661-3477, offers 128MB of DDR SDRAM, specifically tailored for older Apple Macintosh computers. It operates at a frequency of 400MHz, which was a common speed for DDR memory in the early to mid-2000s, ensuring compatibility with the intended hardware. The module is configured as a 1Rx16 UDIMM, meaning it is single-ranked with sixteen memory chips per rank. This configuration is typical for many consumer-grade memory modules of its era. The CAS Latency (CL) is rated at 3, indicating the number of clock cycles required for the memory controller to access a specific column address, contributing to its overall performance characteristics. With a voltage requirement of 2.5V, this memory stick is designed to meet the power specifications of the Apple systems it supports. Its primary purpose is to provide the necessary RAM for the operating system and applications of compatible Macintosh models, serving as a crucial component for their functionality.
