IBM System x3850 X5 Implementation Guide

Chapter 3. IBM System x3850 X5 and x3950 X5 61
Figure 3-5 MAX5 connectors and LEDs
Figure 3-6 shows the internals of the MAX5 including the IBM EXA chip, which acts as the
interface to the QPI links from the x3850 X5.
Figure 3-6 MAX5 memory expansion unit internals
For an in-depth look at the MAX5 offering, see 3.5, “MAX5” on page 68.
3.1.4 Comparing the x3850 X5 to the x3850 M2
Table 3-1 on page 62 shows a high-level comparison between the eX4-based x3850 M2 and
the eX5-based x3850 X5.
Power-on
LED
Locate
LED
System
error
LED
AC LED (green)
DC LED (green)
Power supply
fault (error) LED
QPI
port 1
Power
connectors
EXA port 1
LEDlink
EXA port 2
LEDlink
EXA port 3
LEDlink
EXA
port 1
EXA
port 2
EXA
port 3
QPI
port 2
QPI
port 3
QPI
port 4
32 DIMM socketsIntel Scalable
Memory buffers
Five hot-swap
fans
MAX5 slides
out from the
front
IBM EXA chip
Power supply
connectors

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