Samsung M391B5273CH0-1066 | 4GB DDR3-1066MHz PC3-8500 ECC Unbuffered CL7 240-Pin DIMM Dual Rank Memory Module

Technical Specifications:
- Memory Type: DDR3 SDRAM
- Capacity: 4GB
- Memory Speed: 1066MHz
- Data Integrity Check: ECC
- CAS Latency: CL7
- Pins: 240-Pin DIMM
- Rank: Dual Rank
- Error Correction Code (ECC) Support: Yes
- Buffered/Unbuffered: Unbuffered
- Voltage: 1.5V
- Form Factor: DIMM
- Technology: DDR3 SDRAM

Helpful Notes:
- This memory module is compatible with systems that support DDR3 1066MHz memory.
- ECC memory helps detect and correct single-bit memory errors, making it ideal for mission-critical applications.
- Dual rank memory modules provide better performance than single rank modules by allowing the system to access more memory banks simultaneously.