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HP GU188AV 2GB DDR2-800MHz FB-DIMM 2Rx8 CL5 Memory
- Capacity: 2GB
- Type: DDR2 SDRAM
- Form Factor: FB-DIMM (Fully Buffered DIMM)
- Speed: 800MHz (PC2-6400)
- Latency: CL5
- Rank: 2Rx8 (Dual Rank, x8 organization)
- ECC: Yes (inherent in FB-DIMM)
- Features: Integrated heat spreader
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Product Overview
This HP GU188AV is a 2GB DDR2-800MHz FB-DIMM memory module. It features a 2Rx8 configuration and CL5 latency, designed for servers requiring high-bandwidth memory.
Technical Information
| Memory Type | DDR2 SDRAM |
| Capacity | 2GB |
| Speed | 800MHz |
| Form Factor | FB-DIMM |
Additional Specifications
| CAS Latency | CL5 |
| Rank | 2Rx8 |
| ECC | Yes |
| Voltage | 1.8V |
Product Description
The HP GU188AV is a 2GB Fully Buffered DIMM (FB-DIMM) memory module, designed for server environments that leverage this specific memory technology. FB-DIMMs were developed to overcome the scalability limitations of traditional Registered DIMMs by introducing an Advanced Memory Buffer (AMB) chip on each module. This AMB chip serializes data traffic between the memory controller and the DRAM chips, effectively doubling the bandwidth and allowing for significantly higher memory capacities per channel. Operating at DDR2-800MHz (PC2-6400), this module offers a substantial increase in data transfer rates compared to earlier DDR standards. The 2Rx8 configuration indicates a Dual Rank module with an x8 data width per DRAM chip, providing efficient access patterns. The inherent ECC functionality within the FB-DIMM architecture ensures high data integrity, crucial for server uptime and reliability. With a CAS Latency (CL) of 5, this module provides a balance between speed and timing for DDR2 FB-DIMM operations. The integrated heat spreader is a common feature on FB-DIMMs due to the heat generated by the AMB chip, helping to maintain optimal operating temperatures. This HP FB-DIMM is suitable for compatible HP ProLiant servers and other systems that require this specialized memory type for high-performance computing and large-scale deployments.



