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HP Integrity rx4640

Quick Facts
Introduced 2004
CPU 1-4 Itanium 2
1.3-1.6 GHz
Caches 32 KB L1
256 KB-1.25 MB L2
3-24 MB L3
0-32 MB L4
RAM 128 GB
Design zx1
Drives 2 SCSI
1 IDE
Expansion 4 PCI-X 64/66
2 PCI-X 64/133
Bandwidth CPU 6.4 GB/s
Mem 12.8 GB/s
I/O 4.0 GB/s
I/O 2 GigE
10/100E
VGA
SCSI
4 USB
2 serial
MGMT

Overview

The Integrity rx4640 (rx4640-8) are second-generation Itanium servers from HP with up to four Itanium 2 processors in a 4U rack-mountable case. In contrast to the rx4610 predecessors (7U, first-generation Itanium) the rx4640 is a completely new design based on the HP zx1 Itanium chipset, with double the I/O bandwidth and three times the processor and memory bandwidth. The rx4640 features a large amount of maximum memory (128 GB) but fewer PCI slots (six) and only the same small number of two internal SCSI drives.

The rx4640 was later marketed as rx4640-8.

Internals

CPU

The standard rx4640 supported out of the box up to four Itanium 2 processors:

No. CPU Type Clock L1 (I/D) L2 (I/D) L3 Other
1-4 Itanium 2 Madison 1.3 GHz 16/16 KB 256 KB 3.0 MB
1-4 Itanium 2 Madison 1.5 GHz 16/16 KB 256 KB 6.0 MB

Later rx4640 models (probably with a firmware upgrade) supported various newer processors, including dual-core Montvale CPUs and the mx2 dual-CPU modules.

No. CPU Type Clock L1 (I/D) L2 (I/D) L3 Other
1-4 Itanium 2 Madison 1.6 GHz 16/16 KB 256 KB 6.0 MB
1-4 Itanium 2 Madison 1.6 GHz 16/16 KB 256 KB 9.0 MB
1-4 Itanium 2 Montvale
dual-core (9140N)
1.6 GHz 16/16 KB 1024/256 KB 18 MB
1-4 Itanium 2 Montvale
dual-core (9150N)
1.6 GHz 16/16 KB 1024/256 KB 24 MB
1-4 Itanium 2 mx2 Hondo
dual-CPU module
1.1 GHz 16/16 KB 256 KB 4.0 MB 32 MB L4

Chipset

The rx4640 are based on HP’s zx1 chipset, which consists of three main components — the MIO (memory and I/O controller), the IOAs (I/O adapters) and the SMEs (scalable memory expanders):

The rest are standard third-party I/O chips:

Buses

Memory

Expansion

Drives

External connectors

References

Manuals

Operating systems

Benchmarks

Model SPEC2000, int SPEC2000, fp SPEC2000
rate, int
SPEC2000
rate, fp
rx4640
1.3 GHz 3.0 MB
1132 1891 13.1
2-CPU: 25.8
4-CPU: 51.4
21.9
2-CPU: 37.9
4-CPU: 57.4
rx4640
1.5 GHz 6.0 MB
1404 2161 16.3
2-CPU: 32.5
4-CPU: 64.2
25.1
2-CPU: 43.2
4-CPU: 65.6
rx4640-8
1.5 GHz 4.0? MB
1372 2502 15.9
2-CPU: 31.7
4-CPU: 62.2
29
2-CPU: 48.3
4-CPU: 70.5
rx4640-8
1.6 GHz 9 MB
1590 2712 4-CPU: 72.5 4-CPU: 77.9

Compare these with other results on the Benchmarks page.

Physical dimensions/Power

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