Cisco Cisco UCS M4308 Modular Chassis Fiche De Données

 lists the capabilities and features of the UCS M4308 base chassis. Details about how to configure 

the chassis for a particular feature or capability (for example, number of compute cartridges, disk drives, 
or amount of memory) are provided in 

Chassis

Two rack unit (2RU) chassis, supporting up to eight single-wide plug-in cartridges

Cartridges

Eight slots at the front of the chassis accommodate a variety of cartridges

■

All eight slots can accept processing cartridges

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One slot can also be used for a PCIe cartridge (future capability)

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Two slots can also be used for storage cartridges (future capability)

Expansion Slot

One PCIe slot is provided at the rear of the chassis. The slot is half-height, 

half-width, x8, and limited to 25 W (this slot is not currently enabled and is for 

future use)

Internal storage 

devices

Solid State Drives

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The rear of the chassis supports four plug-in solid-state drives (SSDs) that are 

connected to a removable RAID controller inside the chassis. The storage 

complex is distributed to the pluggable cartridges in a virtualized manner 

provided by a special ASIC and accompanying ASIC driver firmware.

Interfaces 

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Rear panel

• One half-height, half-width PCIe connector (not enabled, for future use)
• Two RJ45 Ethernet management ports (to be used only by service 

personnel for factory and debug purposes)

• One RJ45 serial console port (to be used only by service personnel for 

factory and debug purposes)

• Two QSFP ports
• Four SSD small form factor ports

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Front panel

• Eight cartridge ports

Power subsystem 

Two of the following hot-swappable power supplies:

■

1400 W (AC)

Two power supplies are mandatory.

Storage controller 

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Cisco 12G SAS Modular RAID controller card, which plugs into a dedicated 

RAID controller slot inside the chassis. This card comes with an onboard 2 GB 

Flash-Backed Write Cache (FBWC).

Front Panel

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A front panel controller provides status indications and control buttons

ACPI

This chassis supports the advanced configuration and power interface (ACPI) 4.0 

standard.

Fans 

Chassis:

■

Six hot-swappable fans for front-to-rear cooling