IBM X3850 X6 User Manual

Chapter 2. Technology 19
For more information about the additional power supplies, see 3.22, “Power subsystem” on
page 101.
2.2 System architecture
This section shows the overall architecture of both the x3850 X6 and x3950 X6.
2.2.1 x3850 X6
Figure 2-12 shows the system architecture of the x3850 X6 server.
Figure 2-12 x3850 X6 system architecture
Processor-to-processor communication is carried over shared-clock or coherent quick path
interconnect (QPI) links. Each processor has three QPI links to connect to other processors.
SMI
links
MB 2
MB 1
X6 DDR3
Compute Book
QPI links
Intel
Xeon
CPU 1
MB 2
MB 1
MB 2
MB 1
MB 2
MB 1
MB 2
MB 1
DMI
links
Slot 7: PCIe 3.0 x16 (x16)
Slot 9: PCIe 3.0 x16 (x16)
MB 2
MB 1
MB 2
MB 1
MB 2
MB 1
8x USB
Serial
Management
Video
IMM2
PCIe x1
Slot 10: Mezz LOM (x8)
Slot 12: PCIe 3.0 x16 (x8)
Intel
Xeon
CPU 2
Slot 8: PCIe 3.0 x16 (x8)
Slot 11: PCIe 3.0 x16 (x8)
Intel
Xeon
CPU 4
Intel
Xeon
CPU 3
Slot 1: PCIe 3.0 x16 (x16)
Slot 2: PCIe 3.0 x8 (x8)
Slot 3: PCIe 3.0 x8 (x8)
Slot 4: PCIe 3.0 x16 (x16)
Slot 5: PCIe 2.0 x8 (x8)
Slot 6: PCIe 3.0 x16 (x16)
Storage Book
Primary I/O Book
PCIe 3.0 lanes
Full Length I/O Book
Half Length I/O Book
PCIe 3.0 lanes
Intel
I/O Hub
PCIe
switch

IBM X3850 X6 Specifications

General

Chipset	Intel C602J
Network Controller	Integrated quad-port Gigabit Ethernet
Processor	Up to four Intel Xeon E7-4800 v2 series processors or Intel Xeon E7-8800 v2 series processors
Memory	Up to 6 TB of DDR3 ECC Registered DIMMs (RDIMMs) or Load-Reduced DIMMs (LRDIMMs)
Form Factor	4U rack server
Storage	Up to 24x 2.5" hot-swap SAS/SATA HDDs or SSDs
Expansion Slots	Up to 11 PCIe 3.0 slots
Power Supply	Up to four 1400W or 900W hot-swap power supplies
Memory Type	DDR3 RDIMM/LRDIMM
Storage Controller	ServeRAID M5210 SAS/SATA controller
RAID Support	RAID 0, 1, 5, 6, 10, 50, 60
Operating System Support	Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware