M391T6553CZ3-CD5 - Samsung 512MB DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM Single Rank Memory Module

Technical Specifications:
- Memory Type: DDR2 SDRAM
- Memory Capacity: 512MB
- Memory Speed: 533MHz
- Module Type: DIMM
- Pin Configuration: 240 pins
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered
- CAS Latency: CL4
- Rank: Single Rank
- Voltage: 1.8V
- Form Factor: DIMM 240-pin
- Technology: DDR2 SDRAM

Helpful Notes:
- This memory module is designed for use in servers and workstations.
- ECC memory can detect and correct single-bit errors, which is important for data integrity.
- Make sure your motherboard is compatible with DDR2 memory before purchasing this module.