Crucial CT51272BD1339.18FMR | 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: 1333MHz (PC3-10600)
- CAS Latency: CL9
- Error Checking: ECC
- Buffered/Unbuffered: Unbuffered
- Rank: Dual Rank
- Pin Count: 240-Pin DIMM

Helpful Notes:
1. This memory module is designed for servers and workstations that require ECC memory.
2. Make sure your motherboard supports DDR3-1333MHz memory before purchasing this module.
3. Dual rank memory modules are more efficient than single rank modules, but may not be compatible with some systems.