CT51272BD1339.18FMD - Crucial 4GB DDR3-1333MHz PC3-10600 ECC Unbuffered CL9 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR3 SDRAM
- Memory Speed: 1333 MHz
- PC Rating: PC3-10600
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered
- CAS Latency Timing: CL9
- Pin Count: 240-pin DIMM
- Rank: Dual Rank

Helpful Notes:
1. This memory module is designed for use in servers and workstations that require ECC memory.
2. The unbuffered design means that it has lower latency and is generally faster than buffered memory.
3. Dual rank memory modules have better performance than single rank modules, but may not be compatible with all systems.