184 IBM eX5 Implementation Guide
Table 5-6 Workload-optimized models of the HX5
Model 7872-68x is a virtualization-optimized model and includes the following features in
addition to standard HX5 and MAX5 features:
Forty DIMM sockets, all containing 4 GB memory DIMMs for a total of 160 GB of available
memory.
VMware ESXi 4.1 on a USB memory key is installed internally in the server. See 5.15,
“Integrated virtualization” on page 214 for details.
Emulex Virtual Fabric Adapter Expansion Card (CFFh).
5.5 System architecture
The Intel Xeon 6500 and 7500 processors in the HX5 have up to eight cores with 16 threads
per socket. The processors have up to 24 MB of shared L3 cache, Hyper-Threading, several
with Turbo Boost, four QuickPath Interconnect (QPI) links, one integrated memory controller,
and up to four buffered SMI channels.
The HX5 2-socket server has the following system architecture features as standard:
Two 1567-pin land grid array (LGA) processor sockets
Intel 7500 “Boxboro” chip set
Intel ICH10 south bridge
Eight Intel Scalable Memory Buffers, each with two memory channels
One DIMM per memory channel
16 DDR3 DIMM sockets
One Broadcom BCM5709S dual-port Gigabit Ethernet controller
One Integrated Management Module (IMM)
One Trusted Platform Module 1.2 Controller
One PCI Express x16 CFFh I/O expansion connector
One PCI Express x16 CFFh-style connector for use with the SSD Expansion Card and
one or two solid-state drives
One CIOv I/O expansion connector
Scalability connector
One internal USB port for embedded virtualization
Model Intel Xeon
model and
cores/max
Clock
speed
TDP HX5 max
memory
speed
a
a. Memory speed of the HX5 is dependent on the processor installed; however, the memory speed of the MAX5 is
up to 1066 MHz irrespective of the processor installed in the attached HX5.
MAX5 Scalable
to four
socket
10GbE
card
b
b. Emulex Virtual Fabric Adapter Expansion Card (CFFh).
Standard
memory
(max 320 GB)
c
c. HX5 has 16 DIMM sockets and can hold 128 GB using 8 GB memory DIMMs. MAX5 has 24 DIMM sockets and
can hold 192 GB using 8 GB memory DIMMs. A 1-node HX5 + MAX5 support 320 GB total using 8 GB DIMMs.
Virtualization workload-optimized models (includes VMware ESXi 4.1 on a USB memory key)
7872-68x 2x E6540 6C/2 2.00 GHz 105 W 978 MHz Std No Std
160 GB
HX5: 16x 4GB
MAX5: 24x 4GB
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