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Supermicro H11SSL-NC Server Motherboard Review (Page 2)

By Steven Bassiri from Mar 26, 2018 @ 6:00 CDT
TweakTown Rating: 92%Manufacturer: Supermicro

Packaging and Overview


The H11SSL-NC has seven 4-pin PWM fan headers, and by default, they are in PWM mode, but they can operate DC mode fans. Most of the headers are placed along the right side of the motherboard.

The motherboard has heat sinks over the LSI RAID controller and the CPU VRM. The back of the motherboard doesn't have many components on it, just some tantalum capacitors and some flash memory.


We find a COM port, four USB 3.0 ports, two USB 3.0 ports, one IPMI NIC (above USB 2.0 ports), two 1Gbit NICs, and a VGA port. There is also a tiny button used to enable or disable the built-in UID system. The UID system is used to indicate if there is a problem with the motherboard, and it is linked to the IPMI (remote management) system.


The PCI-E slots are all hard-wired to the CPU; slot 1 is the bottommost slot. So you get three full speed PCI-E 3.0 x16 slots and three PCI-E 3.0 x8 slots. The CMOS battery is located between slots, and an x4 PCI-E M.2 slot is also located between slots.


The 24-pin power connector is located near the 8-pin CPU power connector. There is also an extra 4-pin CPU power connector on the other side of the CPU socket. If your PSU has an SMBus header function, you will find that header near the 24-pin connector.


Eight SATA6Gb/s ports can be found on this motherboard, the two orange ports support SATA DOM, with the power header located right near the two orange ports.

The two white connectors are basically NVMe connectors, while the two black ones we will cover later are mini-SAS HD headers. On the H11SSL-i you will get eight more SATA ports instead of NVMe ports (through a breakout cable of SAS to 4x SATA).


There are a single USB 2.0 internal header and a USB 3.0 vertical port on the inside of the motherboard, and a 5v standby power header is located in that area. We find a USB 3.0 internal header near the front panel headers.

On the other side of the front panel headers, we find two mini-SAS HD headers controlled by an LSI controller. We also find an Intel sensor header and chassis overheat header above the front panel headers.


We find an IMPI BCM external IC header to the right of the TPM header, and an NCSI header to the left of the TPM header. Many jumpers around the motherboard control features, such as the header above the NCSI header that disables internal video from the BMC controller. We also find a microSD card slot; I assume this is for logging errors and such from the BMC.


A built-in speaker is found near the DRAM slots. The heat sinks are attached to the motherboard through push pins and seem to make great contact with the PCB and components they cool.

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