Dell PowerEdge C6400 EMC Installation and Service Manual - Page 73

SAS Expander board, x 2.5-in hard drive backplane

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The image below shows the 24 x 2.5-in hard drive backplane: Figure 61. 24 x 2.5-in hard drive backplane 1. SATA connector (24) 2. Expander power connector 3. Backplane power connector 4. Backplane signal connector The image below shows the 24 x 2.5-in hard drive backplane with NVMe: Figure 62. 24 x 2.5-in hard drive backplane with NVMe 1. SATA connector (24) 2. Signal cable to sled 4 3. NVMe ports 19 and 18 connect to sled 4 4. Signal cable to sled 3 5. NVMe ports 13 and 12 connect to sled 3 6. Connector for chassis management board cable 7. Signal cable to sled 2 8. NVMe ports 7 and 6 connect to sled 2 9. Signal cable to sled 1 10. NVMe ports 1 and 0 connect to sled 1 SAS Expander board The SAS Expander board is necessary to achieve higher, single-volume hard drive configurations. An expander board allows the C6400 to maximize the hard drive space in the hard drive bay. A single expander board supports up to 24 hard drives in the C6400 chassis. The expander board is integrated with the 24 x 2.5-in backplane via MiniSAS hard drive connectors. The image below shows the SAS Expander board: Installing and removing enclosure components 73

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The image below shows the 24 x 2.5-in hard drive backplane:
Figure 61. 24 x 2.5-in hard drive backplane
1.
SATA connector (24)
2.
Expander power connector
3.
Backplane power connector
4.
Backplane signal connector
The image below shows the 24 x 2.5-in hard drive backplane with NVMe:
Figure 62. 24 x 2.5-in hard drive backplane with NVMe
1.
SATA connector (24)
2.
Signal cable to sled 4
3.
NVMe ports 19 and 18 connect to sled 4
4.
Signal cable to sled 3
5.
NVMe ports 13 and 12 connect to sled 3
6.
Connector for chassis management board cable
7.
Signal cable to sled 2
8.
NVMe ports 7 and 6 connect to sled 2
9.
Signal cable to sled 1
10.
NVMe ports 1 and 0 connect to sled 1
SAS Expander board
The SAS Expander board is necessary to achieve higher, single-volume hard drive configurations. An expander board allows the C6400 to
maximize the hard drive space in the hard drive bay. A single expander board supports up to 24 hard drives in the C6400 chassis. The
expander board is integrated with the 24 x 2.5-in backplane via MiniSAS hard drive connectors.
The image below shows the SAS Expander board:
Installing and removing enclosure components
73