Sonnet Support

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ID		Download Title	Download Link	Post Date
1290		ASM3142 USB Host Controller Firmware Update 1291_251230700240V1	Download Now	August 4, 2026
	Operating System Requirements: Windows 10 (64-bit), Windows 11 Description: ASMxHCI_FWUpdateV1291_251230700240V1.exe is a Windows app that updates ASMedia ASM3142 firmware to revision 251230700240 in the following Sonnet Technologies products: Allegro Pro USB-C 8-Port PCIe Card (USB3C-8PM-E) Allegro Pro 4 USB 3.2 Gen 2 Type A PCIe Card (USB3-PRO-4P10-E) Allegro Pro 4 USB 3.2 Gen 2 Type-C PCIe Card (USB3C-4PM-E) Allegro USB 3.2 Gen 2 Type-C PCIe Card (USB3C-2PM-E) McFiver PCIe Card (G10E-USBC-M2-E) Fusion Dual 2.5-inch SSD RAID PCIe Card (FUS-SSD-2RAID-E) Note: This release provides a fix for controller detection failure with certain motherboards with Intel® 800/700/600 Series desktop chipsets.

ID	Article Title	Post Date
756	Do the Sonnet USB 2.0 or USB 3 cards support the Apple SuperDrive?	Apr-02-22
933	What versions of macOS support Allegro USB 3 cards?	Apr-02-22
956	What generations of Thunderbolt chassis do Sonnet Allegro PCIe cards support?	Apr-02-22
976	In a Mac Pro, the SSDs are seen as external drives, how do I prevent accidental ejects?	Feb-14-23
992	The write speed of my Samsung 830, 840, 840 EVO, 840 PRO, 850 EVO or 850 PRO has slowed to below 100MB/s.	Mar-30-20
1096	Does the Fusion Dual 2.5" SSD support 15mm 2.5" SATA/SAS hard drives?	Mar-30-20
1097	The Fusion Dual 2.5" SSD RAID PCIe card gives an macOS error message upon wake from sleep.	Mar-30-20
1099	What makes Sonnet USB 3.2 Cards more reliable than other USB 3 cards?	Apr-02-22
1108	If I want to make a RAID 0 configuration across two cards (four SSDs), how should I do it?	Aug-10-20
1109	How do I detect and replace a failed SSD in RAID 1 mirror mode?	Aug-13-20
1136	How can I use my new SSD volume to hold my user folder on macOS?	Feb-14-23
1183	The Write performance of my SSD is very slow under Windows.	Feb-14-23