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Standard specifications

The following table lists the standard specifications.

Table 1. Standard specifications (part 1 of 2)

Components

Specification (per node except where noted)

Machine type

7903

Firmware

IBM-signed firmware

Form factor

Double-wide compute node.

Chassis support Flex System Enterprise Chassis.

Scalability

x880 X6:

Scales up to 4-socket by adding one x880 Compute Node + 4S scalability kit



Scales up to 8-socket by adding three x880 Compute Nodes + 8S scalability kit



x480 X6:

Scales up to 4-socket by adding one x480 Compute Node + 4S scalability kit



x280 X6:

Does not scale



Processor

The processor selection determines whether the compute node is an x880 X6, x480 X6, or x280

X6:

x880 X6: Two Intel Xeon processor E7-8800 v2 product family processors, each with 15



cores (up to 2.8 GHz), 12 cores (up to 3.0 GHz), 10 cores (up to 3.2 GHz), or 6 cores (up to

3.4 GHz). Three QPI links, up to 8.0 GTps each. Up to 1600 MHz memory speed. Up to

37.5 MB L3 cache per processor.

x480 X6: Two Intel Xeon processor E7-4800 v2 product family processors, each with 15



cores (up to 2.8 GHz), 12 cores (up to 2.6 GHz), 10 cores (up to 2.2 GHz), 8 cores (up to

2.0 GHz) or 6 cores (up to 1.9 GHz). Three QPI links, up to 8.0 GTps each. Up to 1600

MHz memory speed. Up to 37.5 MB L3 cache per processor.

x280 X6: Two Intel Xeon processor E7-2800 v2 product family processors, each with 15



cores (up to 2.8 GHz) or 12 cores (up to 2.3 GHz). Three QPI links, up to 8.0 GTps each.

Up to 1600 MHz memory speed. Up to 37.5 MB L3 cache per processor.

Chipset

Intel C602J.

Memory

Up to 48 DIMM sockets (24 DIMMs per processor) using Low Profile (LP) DDR3 DIMMs.

RDIMMs and LRDIMMs are 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 SMI2 channels

to memory buffer per processor. Two memory channels per memory buffer. Supports three

DIMMs per channel.

Memory

With LRDIMMs: Up to 3 TB with 48x 64 GB LRDIMMs and two processors.

maximums

With RDIMMs: Up to 768 GB with 48x 16 GB RDIMMs and two processors.

Memory

ECC, Chipkill (for x4-based memory DIMMs), memory mirroring, and memory rank sparing.

protection

Memory-chann

eXFlash DIMMs not supported.

el storage

Disk drive bays

Standard: Two 2.5-inch hot-swap SAS/SATA drive bays that support SAS, SATA, and SSD

drives.

Flex System X6 Compute Node (7903)