CT51272BF1339 - Crucial 4GB DDR3-1333MHz PC3-10600 ECC Unbuffered CL9 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Technology: DDR3 SDRAM
- Speed: 1333 MHz (PC3-10600)
- Latency Timings: CL9
- Form Factor: DIMM 240-pin
- Error Correction Code: ECC
- Data Integrity Check: Non-ECC
- Rank: Dual Rank
- Voltage: 1.5V

Helpful Notes:
1. ECC memory is designed to detect and correct single-bit errors, making it ideal for critical applications.
2. Dual rank memory modules provide better performance than single rank modules, especially in multi-tasking scenarios.
3. Make sure to check your motherboard's compatibility with ECC memory before purchasing.