Supported Storage Devices for x300/x500 Series

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Some Allegro Network Multimeter aplliances can be equipped with hot-swappable storage devices. This page lists which appliances support which type of storage devices.

In general, we recommend to use devices with similar specs for best performance but there is no technical restriction to use different units. When using multiple ring buffers (see Ring Buffer Configuration Guide), it can be beneficial to use different devices, for example, slow but large devices for long-term capturing with packet truncation, and fast but smaller devices for full line rate capturing.

Allegro x300 (1300/3300/5300)

The Allegro Network Multimeter x300 series has 10 x 2.5" device slots, two of them also support U.2 devices.

Slot 0+1 Slot 2+3 Slot 4+5 Slot 6+7 Slot 8+9
2.5" SATA3 2.5" SATA3 2.5" SATA3 2.5" SATA3 2.5" SATA3
2.5" U.2
2.5" SATA3 2.5" SATA3 2.5" SATA3 2.5" SATA3 2.5" SATA3
2.5" U.2

Note: SAS devices are not supported!

Allegro x500 (1500/3500/5500)

The Allegro Network Multimeter x500 has 36 x 3.5" device slots, supporting SATA3 or SAS3 devices. The rev2 of the x500 chassis also supports U.2 devices.

U.2 devices can be installed at the rear of the Multimeter (which has 12 slots in total). The U.2 slots are the top two slots in the last fourth column (at the right):

U.2 slots

Allegro 2U/4U JBOD extension

The Allegro Network Multimeter JBOD extension has 12x (2U) or 44x (4U) 3.5" device slots, supports SATA3 or SAS3 devices.