Crucial CT51264BA1339.16FR | 4GB DDR3-1333MHz PC3-10600 non-ECC Unbuffered CL9 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR3 SDRAM
- Memory Speed: 1333 MHz
- Form Factor: DIMM 240-pin
- CAS Latency: CL9
- Error Correction Code: Non-ECC
- Rank: Dual Rank
- Voltage: 1.5V

Helpful Notes:
1. This memory module is compatible with most desktop computers that use DDR3 memory.
2. Non-ECC memory is more affordable than ECC memory, but it does not provide error correction.
3. Dual rank memory modules provide better performance than single rank modules, but they may not be compatible with some motherboards.