Qimonda HYS72T512040ER-3.7-C | 4GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Dual Rank Memory Module

Technical Specifications:
- Memory Type: DDR2 SDRAM
- Capacity: 4 GB
- Memory Speed: 533 MHz
- Form Factor: DIMM 240-pin
- Error Correction Code: ECC
- CAS Latency: CL4
- Rank: Dual Rank
- Voltage: 1.8V
- Buffering: Registered
- Data Integrity Check: ECC
- Pins: 240
- Memory Configuration: 512M x 72

Helpful Notes:
- This memory module is designed for use in servers and workstations.
- ECC memory is more reliable than non-ECC memory as it can detect and correct single-bit errors.
- Make sure to check your system's compatibility with DDR2 memory before purchasing.