Quick tech specs
- 512 MB
- unbuffered
- CDW
- DIMM 184-pin
- ECC
- for Cisco 2821, 2821 4-pair, 2821 V3PN
Know your gear
This Cisco MEM2821-512D= compatible 512 MB DRAM upgrade is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system.