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Micron MT9HTF6472FY-667A2E2 512MB DDR2-667MHz FB-DIMM 1Rx8 CL5 Memory
- 512MB Total Capacity
- DDR2 SDRAM Technology
- 667MHz Clock Speed (PC2-5300F)
- Fully Buffered DIMM (FB-DIMM)
- 2 Ranks x 256MB configuration
- CAS Latency (CL) 5
- Designed for servers and workstations
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Product Overview
The Micron MT9HTF6472FY-667A2E2 is a 512MB (2 ranks of 256MB) DDR2-667MHz Fully Buffered DIMM (FB-DIMM) memory module. It operates at a clock speed of 667MHz with a CAS Latency of 5. This memory is designed for server and workstation environments that utilize FB-DIMM technology.
Technical Information
| Product Type | Memory Module |
| Capacity | 512MB |
| Memory Type | DDR2 SDRAM |
| Form Factor | FB-DIMM |
| Speed | 667MHz (PC2-5300F) |
Additional Specifications
| CAS Latency | CL5 |
| Ranks | 2 |
| Manufacturer | Micron |
| Part Number | MT9HTF6472FY-667A2E2 |
Product Description
The Micron MT9HTF6472FY-667A2E2 is a 512MB memory module specifically designed for server and high-performance workstation applications that utilize the Fully Buffered DIMM (FB-DIMM) architecture. FB-DIMMs were introduced to overcome the scalability limitations of traditional unbuffered DIMMs, particularly in systems requiring a large number of memory modules. They achieve this by incorporating an Advanced Memory Buffer (AMB) chip on each module, which serializes data transfers between the memory controller and the DRAM chips, thereby reducing signal loss and allowing for higher densities and speeds. This particular module operates at a speed of 667MHz, corresponding to the PC2-5300F specification, and features a CAS Latency (CL) of 5. The 512MB capacity is achieved through a dual-rank configuration, with each rank comprising 256MB of DDR2 SDRAM. The dual-rank design allows the memory controller to access data from two independent sets of memory chips on the module, potentially improving performance through increased bandwidth utilization. FB-DIMM technology, while offering advantages in scalability, also typically consumes more power and generates more heat than unbuffered DIMMs due to the presence of the AMB chip. Therefore, systems using FB-DIMMs often require enhanced cooling solutions. The MT9HTF6472FY-667A2E2 is a component for systems that were designed to support this specific type of memory, often found in enterprise-grade servers from the mid-2000s.
