MSI PRO B660-A DDR4 User Manual

24

CAUTION
Do not connect the wrong type of LED strips. The JRGB connector and the JRAINBOW
connector provide different voltages, and connecting the 5V LED strip to the JRGB
connector will result in damage to the LED strip.

Important
 The JRAINBOW connector supports up to 75 LEDs WS2812B Individually
Addressable RGB LED strips (5V/Data/Ground) with the maximum power rating of
3A (5V). In the case of 20% brightness, the connector supports up to 200 LEDs.
 Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing the RGB LED strip.
 Please use MSI’s software to control the extended LED strip.
JRAINBOW1~2: Addressable RGB LED connectors
The JRAINBOW connectors allow you to connect the WS2812B Individually
Addressable RGB LED strips 5V.
Pin Signal Name Pin Signal Name
1 +5V 2 Data
3 No Pin 4 Ground
1

Important
 The JRGB connector supports up to 2 meters continuous 5050 RGB LED strips
(12V/G/R/B) with the maximum power rating of 3A (12V).
 Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing the RGB LED strip.
 Please use MSI’s software to control the extended LED strip.
JRGB1: RGB LED connector
The JRGB connector allows you to connect the 5050 RGB LED strips 12V.
Pin Signal Name Pin Signal Name
1 +12V 2 G
3 R 4 B
1

MSI PRO B660-A DDR4 Specifications

General

Audio chip	Realtek ALC897
Component for	PC
Motherboard chipset	Intel B660
Audio output channels	7.1 channels
Motherboard form factor	ATX
Motherboard chipset family	Intel
Processor socket	LGA 1700
Compatible processor series	Intel Celeron, Intel Pentium Gold
Non-ECC	No
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	2133, 2666, 3200, 3600, 4800 MHz
RAID levels	0, 1, 5, 10
RAID support	Yes
Supported storage drive types	SSD
Supported storage drive interfaces	M.2, SATA III
Parallel processing technology support	Crossfire
USB 2.0 connectors	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
BIOS type	UEFI AMI
HDMI version	1.2
DisplayPort version	1.4
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet interface type	2.5 Gigabit Ethernet
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Depth	244 mm
Width	305 mm
Height	73 mm