Chapter 4. IBM System x3690 X5 159
Figure 4-30 x3690 X5 with one IBM 8x 2.5-inch HS SAS HDD backplane
Figure 4-31 illustrates the IBM eXFlash 8x SAS SSD backplane, which requires two SAS
cables. With the eXFlash, eight drives can be used in the same space as four 2.5-inch drives.
Figure 4-31 x3690 with one IBM eXFlash 8x 1.8-inch HS SAS SSD backplane
Configurations with 12 drives
Figure 4-32 shows three 4x HDD backplanes. This configuration requires three SAS cables.
Figure 4-32 x3690 with three IBM 4x 2.5-inch HS SAS HDD backplanes
Figure 4-33 shows one 8x and one 4x HDD backplane resulting in 12 drives. This
configuration also requires three SAS cables.
Figure 4-33 x3690 with one 8x 2.5-inch HS SAS HDD and one 4x 2.5-inch HS SAS HDD backplane
Figure 4-34 on page 160 shows a mixture of 2.5-inch HDDs and 1.8-inch SSDs. This
configuration requires three SAS cables.
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