EVGA X299 FTW-K User Manual page 17

EVGA X299 FTW - K (142-SX-E297)
Alternatively, if no power cable is connected or detected, the system will not
POST and will hang at POST code "C."
9. Supplemental PCI-E 6-pin Power Connector
There is a 6-pin PCI-E connector at the bottom of the motherboard (See page
38 for more specifics to the connector itself, and associated wiring/pinouts).
This connector provides dedicated power to the PCI-E x16 slots, augmenting
the power provided by the 24-pin and the GPU directly.
This is optional for a single card solution, and is recommended for SLI, CFX,
and dual processor video cards.
10. Intel SATA 3/6G Ports
The Intel X299 PCH has a 8-port SATA 3/6G controller (See Page 46 for
specifics on the connectors). This controller is backwards-compatible with
SATA and SATA 2 devices, and supports SSDs, HDDs and various types of
optical devices (CDROM, DVDROM, BD-ROM, etc). The controller also
supports NCQ, TRIM, hot swap capability (provided the proper HDD/SSD
bays/racks are installed), and RAID levels 0/1/5/10.
11. U.2 Port (SFF-8639)
U.2, originally known as SFF-8639, is a high bandwidth connection specifically
engineered for next generation SSD's. U.2 brings PCI-E x4 (Gen3) NVMe
performance to a 2.5" SSD form factor and provides a solution to potential
heating problems that may be present in some M.2 solutions.
12. M.2 Socket 3 Key-M 110mm
M.2 is a SSD standard, which uses up to four PCI-E lanes and utilizes Gen3
speeds. Most popularly paired with NVMe SSDs, this standard offers
substantially faster transfer speeds and seek time than SATA interface
standards. All M.2 devices are designed to connect via a card-bus style
connector and be bolted into place and powered by the connector, rather than
by a dedicated data cable and power cable.
This socket will support Key-M devices of 110mm, 80mm, 60mm, and 42mm
length.
This connector can utilize either a PCI-E/NVMe based M.2 SSD or SATA M.2.
13. M.2 Socket 3 Key-M 80mm
M.2 is a SSD standard, which uses up to four PCI-E lanes and utilizes Gen3
speeds. Most popularly paired with NVMe SSDs, this standard offers
substantially faster transfer speeds and seek time than SATA interface
standards. All M.2 devices are designed to connect via a card-bus style
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