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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6      Install and Upgrade Internal Modules and FRUs
  Overview of the SSD Carrier Card NIM (NIM-SSD)
Figure 6-7 shows the top of the SSD carrier card NIM along with the serial number and the label 
location.
Figure 6-7 Top View of the SSD Carrier Card NIM with Serial Number
 
Solid State Drives 
The routers contain two solid state drives (SSD) that provide nonvolatile storage in the form of an 
internal flash disk. On the front panel of the router, the SSD LED indicates activity on the hard drive. 
The SSD carrier card NIM can support up to two SFF 2.5” SATA2 or SATA3 (7mm or less) SSDs. 
Figure 6-8 shows a top view of the SSD drive that can be inserted into a NIM carrier card. Figure 6-9 
shows two SSDs in a NIM carrier card.