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HP KY113AA 2GB DDR2-800MHz FB-DIMM 2Rx4 CL6 Memory
- Capacity: 2GB
- Memory Type: DDR2 SDRAM
- Speed: 800MHz (PC2-6400F)
- Form Factor: FB-DIMM (Fully Buffered DIMM)
- Organization: 2Rx4 (2 Ranks x 4 bits)
- Latency: CL6
- Voltage: 1.8V
- Designed for servers requiring FB-DIMM technology
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Product Overview
The HP KY113AA is a 2GB DDR2 FB-DIMM (Fully Buffered DIMM) memory module. It operates at 800MHz with a 2 Rank x 4 bit configuration and CL6 latency, designed for specific server applications that utilize FB-DIMM technology.
Technical Information
| Memory Size | 2GB |
| Memory Type | DDR2 SDRAM |
| Speed | 800MHz |
| Form Factor | FB-DIMM |
Additional Specifications
| Rank | 2R |
| Data Width | x4 |
| CAS Latency | CL6 |
| Voltage | 1.8V |
Product Description
The HP KY113AA is a 2GB DDR2 Fully Buffered DIMM (FB-DIMM) memory module, a specific type of RAM designed primarily for servers and high-end workstations that require enhanced memory scalability and performance. Unlike standard unbuffered or registered DIMMs, FB-DIMMs incorporate an Advanced Memory Buffer (AMB) chip on the module itself. This buffer serializes and deserializes data, effectively decoupling the memory controller from the DRAM chips, which allows for higher memory densities and speeds without overwhelming the controller. Operating at 800MHz, this module provides a data transfer rate of PC2-6400F (6400 MB/s). The 2Rx4 organization indicates a dual-rank configuration, where each rank has a 4-bit data width. This setup can improve performance by allowing the system to access data from different ranks concurrently, increasing overall bandwidth. The CAS Latency (CL) of 6 is relatively low for DDR2 memory, contributing to faster response times for memory operations. FB-DIMMs operate at a higher voltage of 1.8V compared to some other DDR2 modules. While FB-DIMM technology offered advantages in scalability, it also generated more heat and consumed more power, which led to its eventual replacement by Registered DIMMs (RDIMMs) in later server generations. The HP KY113AA is therefore intended for systems specifically designed to utilize this particular memory architecture, ensuring compatibility and optimal performance within those environments.
