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Supported drive bay combinations (One processor installed)
The following table shows the supported drive bay combinations when two processors are installed.
Table 28. 3.5-inch drive bay combinations matrix
No.
Total drives
1
8
2a
12
2b
14
2c
16
2d
16
2e
16
2f
20
Table 29. 2.5-inch drive bay configuration matrix
Total
No.
drives
1
8
2
8
3
16
4a
24
4b
28
4c
36
4d
40
Note: For models without any backplanes or drives, field upgrades to other models are available. For details,
check the option part numbers you will need when ordering for different configurations:
Drive installation requirements
The following notes describe information that you must consider when you install a drive.
• NVMe drives are only supported in the front drive bays (bays 8–11), using the AnyBay backplane (which
offers 4 x NVMe capable drive bays).
• With the 3.5-inch chassis, the middle drive bays are 3.5-inch bays. However, the rear drive bays can be
either 2.5-inch SAS/SATA or 3.5-inch SAS/SATA bays.
• With the 2.5-inch chassis, all drive bays are 2.5-inch bays. No 3.5-inch drives are supported.
• When the front SAS/SATA backplane is connected to PCIe connectors on the system board, only SATA
drives are supported. No SAS drives are supported.
• For the middle/rear drive cage with an NVMe backplane, only 7 mm NVMe drives (installed in the 15 mm-
height drive trays) are supported. The 15 mm drives are not supported.
• To support a middle drive cage:
– Performance fans (speed of 18000 RPM) must be installed.
– The processor TDP must be lower than or equal to 155 watts.
– The ambient temperature must be lower than or equal to 35°C (95°F).
ThinkSystem SR665 Maintenance Manual
142
Front bays
3.5'' SAS/SATA
8
12
12
12
12
12
12
Front bays
2.5''SAS/SATA
2.5''NVMe
8
8+8
8+8+8
8+8+8
8+8+8
8+8+8
Middle bays
3.5'' SAS/SATA
2.5'' SAS/SATA
4
4
Middle bays
2.5''SAS/SATA
8
4+4
4+4
Rear bays
3.5'' SAS/SATA
2
4
4
4
4
Rear bays
2.5''SAS/SATA
4
4
8
Field upgrades
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