CT4R1339D8FEB0MD - Crucial 4GB DDR3-1333MHz PC3-10600 ECC Registered 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
- Error Correction Code (ECC): ECC
- CAS Latency: CL9
- Rank: Dual Rank

Helpful Notes:
- ECC memory is designed for servers and workstations to detect and correct errors in data.
- Dual rank memory provides better performance than single rank memory in certain applications.
- Make sure your motherboard supports DDR3 memory before purchasing.