IBM System x3850 X5 Implementation Guide

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.

IBM System x3850 X5 Specifications

General

Processor Cores	Up to 10 cores per processor
Chipset	Intel 7500
Hard Drive Interface	SAS/SATA
Processor	Intel Xeon E7-4800 series, Intel Xeon E7-8800 series
Memory Slots	64 DIMM slots
Storage	Up to 16 x 2.5" hot-swap SAS/SATA HDDs or SSDs
RAID Support	RAID 0, 1, 5, 6, 10
Network Interface	Integrated Gigabit Ethernet
Operating System Support	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware vSphere
Form Factor	4U Rack