Hello Thomas
Please refer to the table below for the Required in formation :
Also in case you have more enquiries please refer to the following link
http://www.cisco.com/en/US/prod/collateral/modules/ps10598/qa_c78_553916.html
Feature | Cisco SRE 300 ISM | Cisco SRE 700 and SRE 710 SM | Cisco SRE 900 and SRE 910 SM |
Form factor | Internal service module | Service module | Service module |
CPU | Genuine Intel Processor, 1.06 GHz | Intel Core 2 Solo, 1.86 GHz | Intel CoreT2 Duo, 1.86 GHz |
DRAM | 512 MB | 4 GB | 4 GB (default) or 8 GB |
Compact Flash memory | 4-GB internal USB flash-memory module | 2-GB internal USB flash-memory module | 2-GB internal USB flash-memory module |
Hard disk | None | One 500-GB Serial Advanced Technology Attachment (SATA) 5400 rpm (SRE 700) 7200 rpm (SRE 710) | Two 500-GB SATA (1 TB in non-Redundant Array of Independent Disks [RAID] mode) 5400 rpm (SRE 900) 7200 rpm (SRE 910) |
Hope it will help
Ahmed Sonba