IBM X3850 X6 - Page 93

Chapter 3. Product information 77
Figure 3-20 shows the location of SAS backplanes in the Storage Book as well as the RAID
controllers that connect to the backplanes.
Figure 3-20 SAS backplanes location in the Storage Book
Table 3-9 shows the two backplanes.
Table 3-9 Internal storage expansion options
Table 3-10 shows the required SAS backplanes for all combinations of hard drives supported
by the X6 Storage Book.
Table 3-10 Drive and backplane combinations per Storage Book
Part
number
Feature
code
Name and description Maximum
supported
x3850 X6
Maximum
supported
x3950 X6
44X4104 A4A6 IBM 4x 2.5" HS 12Gb SAS HDD Backplane 2 4
44X4106 A4A7 IBM 8x 1.8" HS 12Gb SAS HDD Backplane 2 4
Drive bay
combination
Backplanes required Controllers
needed
4x 2.5-inch bays 򐂰 1x IBM 4x 2.5" HS 12Gb SAS HDD Backplane, 44X4104 1
8x 2.5-inch bays 򐂰 2x IBM 4x 2.5" HS 12Gb SAS HDD Backplane, 44X4104 1 or 2
4x 2.5-inch bays +
8x 1.8-inch bays
򐂰 1x IBM 4x 2.5" HS 12Gb SAS HDD Backplane, 44X4104
򐂰 1x IBM 8x 1.8" HS 12Gb SAS HDD Backplane, 44X4106
2
8x 1.8-inch bays 򐂰 1x IBM 8x 1.8" HS 12Gb SAS HDD Backplane, 44X4106 1
16x 1.8-inch bays 򐂰 2x IBM 8x 1.8" HS 12Gb SAS HDD Backplane, 44X4106 2
SAS backplanes
RAID adapter (two
slots for two