Components
Specification
Form factor
Double-wide compute node.
Chassis support
Flex System Enterprise Chassis.
Processor
Up to four Intel Xeon processor E5-4600 product family processors, each with eight cores (up to 2.7
GHz), six cores (up to 2.9 GHz), or four cores (up to 2.0 GHz). Two QPI links, up to 8.0 GTps each. Up to
1600 MHz memory speed. Up to 20 MB L3 cache per processor.
Chipset
Intel C600 series.
Memory
Up to 48 DIMM sockets (12 DIMMs per processor) using Low Profile (LP) DDR3 DIMMs. UDIMMs,
RDIMMs and LRDIMMs supported. 1.5 V and low-voltage 1.35 V DIMMs are supported. Support for up
to 1600 MHz memory speed, depending on the processor. Four memory channels per processor (three
DIMMs per channel). Supports two DIMMs per channel operating at 1600 MHz (2 DPC @ 1600MHz)
with single and dual-rank RDIMMs. Supports three DIMMs per channel at 1066 MHz with single and
dual-rank RDIMMs.
Memory
maximums
With LRDIMMs: Up to 1.5 TB with 48x 32 GB LRDIMMs and four processors.
With RDIMMs: Up to 768 GB with 48x 16 GB RDIMMs and four processors.
With UDIMMs: Up to 128 GB of 32x 4 GB UDIMMs and four processors
Memory
protection
ECC, Chipkill (for x4-based memory DIMMs), memory mirroring, and memory rank sparing.
Disk drive bays
Two 2.5-inch hot-swap SAS/SATA drive bays supporting SAS, SATA, and SSD drives. Optional Flash
Kit support for up to eight 1.8-inch SSDs.
Maximum internal
storage
With two 2.5-inch hot-swap drives (Intermix of SAS and SATA HDDs and SSDs is supported):
Up to 3.2 TB with 1.6 TB 2.5" SSDs
Up to 2 TB with 1 TB 2.5" NL SAS HDDs
Up to 2.4 TB with 1.2 TB 2.5" SAS HDDs
Up to 2 TB with 1 TB 2.5" SATA HDDs
With 1.8-inch SSDs and ServeRAID M5115 RAID adapter:
Up to 4 TB with eight 512 GB 1.8-inch SSDs.
RAID support
RAID 0 and 1 with integrated LSI SAS2004 controller. Optional ServeRAID M5115 RAID controller with
RAID 0, 1, 10, 5, and 50 support and 1 GB cache. Supports up to eight 1.8-inch SSDs with expansion
kits. Optional flash-backup for cache, RAID 6/60, and SSD performance enabler.
Optical drive bays No internal bays; use an external USB drive. See
http://support.lenovo.com/en/documents/pd011281
for options.
Network
interfaces
x4x models: Four 10 Gb Ethernet ports with two dual-port Embedded 10Gb Virtual Fabric Ethernet
LAN-on-motherboard (LOM) controllers; Emulex BE3 based. Upgradeable to FCoE and iSCSI using the
Lenovo Feature on Demand (FoD) license activation.
x2x models: None standard; optional 1 Gb or 10 Gb Ethernet adapters.
PCI Expansion
slots
Four I/O connectors for adapters. PCI Express 3.0 x16 interface. I/O slots 3 and 4 require the second
processor installed.
Flex System x440 Compute Node (7917)
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