NT4GTT72U4PB6UD - Nanya 4GB DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Memory Size: 4GB
- Memory Technology: DDR2 SDRAM
- Memory Speed: 667MHz
- Memory Standard: PC2-5300
- Error Checking: ECC
- Signal Processing: Fully Buffered
- CAS Latency: CL5
- Number of Pins: 240
- Rank: Dual
- Voltage: 1.8V
- Form Factor: DIMM
- Operating Temperature: 0°C to 85°C

Helpful notes:
- ECC memory can detect and correct errors in data, making it ideal for servers and workstations.
- Fully Buffered memory has an additional buffer chip that reduces electrical load on the memory controller, allowing for larger memory capacities.
- Dual rank memory modules have two sets of memory chips on each side of the module, providing better performance than single rank modules.