Qimonda HYS72T64900EU-3.7-B2 | 512MB DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM Single Rank Memory Module

Technical Specs:
- Memory Size: 512MB
- Memory Technology: DDR2 SDRAM
- Memory Speed: 533MHz
- Memory Standard: PC2-4200
- Error Checking: ECC
- Signal Processing: Unbuffered
- CAS Latency: CL4
- Pin Count: 240-pin
- Rank: Single
- Voltage: 1.8V
- Form Factor: DIMM
- Compatibility: Desktop Computers

Helpful Notes:
- ECC memory is more reliable than non-ECC memory as it can detect and correct single-bit errors.
- Unbuffered memory has lower latency than buffered memory but can't support as many modules per channel.
- Make sure to check your motherboard's compatibility with DDR2 memory before purchasing.