4GB (2x2GB) DDR2 PC2-5300F FB-DIMM – HYS72T256420HFD-3S-B – Server RAM Modules

High-performance 2x2GB DDR2 Fully Buffered DIMM (FB-DIMM) designed for enterprise servers and workstations.  This PC2-5300F (667 MHz) module features ECC (Error-Correcting Code) and 2Rx4 dual-rank architecture for enhanced reliability and data integrity in mission-critical environments. 

Key Features:

• Capacity per module: 2GB
• Total Capacity: 4GB
• Memory Type: DDR2 SDRAM FB-DIMM
• Speed: PC2-5300F (667 MHz), CL5
• Voltage: 1.8V
• Pins: 240-pin
• Technology: Fully Buffered with ECC
• Rank Configuration: 2Rx4
• Compatibility: Server systems from HP, Dell, IBM, Sun, and Intel (requires FB-DIMM support)
• Manufacturer: Qimonda / Infineon 

Ideal for upgrading or replacing memory in compatible server platforms. Not compatible with standard desktop PCs.