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Supermicro X11DAi-N Server Motherboard Review (Page 3)

Steven Bassiri | Mar 30, 2018 at 06:00 am CDT - 0 mins, 36 secs reading time for this page
Rating: 91%Manufacturer: Supermicro

Circuit Analysis

Supermicro X11DAi-N Server Motherboard Review 17 | TweakTown.comSupermicro X11DAi-N Server Motherboard Review 18 | TweakTown.com

X11DAI-Nhas a simple block diagram showing what is connected to what.

Supermicro X11DAi-N Server Motherboard Review 19 | TweakTown.comSupermicro X11DAi-N Server Motherboard Review 20 | TweakTown.com

Both CPU VRMs are identical and use 6+1 phase VRM using high-quality Texas Instruments parts that are VR13 ready. The CPU VRM uses NexFETs, the 70A CSD95480 for the six phases and 50A CSD95495 for the one phase and memory phases.

We find that the CPU VRM utilizes the 6+1 phase TPS53679 D-CAP+ digital PWM controller. We also find the TPS53622 (2+0 or 2+1) PWM and TPS53659 (4+1 or 3+2) used around the memory area to control memory rails.

Supermicro X11DAi-N Server Motherboard Review 21 | TweakTown.com

The memory VRMs use TPS53622 and two 50A NexFETs for power. All the Pulse inductors you see are rated for 70A.

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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