MSI B660-A PRO DDR4 User Manual

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M.2 SSD Slots
 2x M.2 slots (Key M)
• M2_1 slot (From CPU)
• Supports up to PCIe 4.0 x4
• Supports 2242/ 2260/ 2280 storage devices
• M2_2 slot (From B660 chipset)
• Supports up to PCIe 4.0 x4
• Supports up to SATA 6Gb/s
• Supports 2242/ 2260/ 2280 storage devices
• Supports Intel® Optane™ Memory
• Support Intel® Smart Response Technology for Intel
Core™ processors
* SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.
RAID
 Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA
storage devices
Audio
Realtek® ALC897 Codec
 7.1-Channel High Definition Audio
LAN 1x Realtek® RTL8125BG 2.5Gbps LAN controller
Wi-Fi & Bluetooth®
(PRO B660M-A WIFI
DDR4)
Intel® Wi-Fi 6
 The Wireless module is pre-installed in the M.2 (Key-E)
slot
 Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz (160MHz) up to
2.4Gbps
 Supports 802.11 a/ b/ g/ n/ ac/ ax
 Supports Bluetooth® 5.2
Power Connectors
 1x 24-pin ATX main power connector
 1x 8-pin ATX 12V power connector
 1x 4-pin ATX 12V power connector
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MSI B660-A PRO DDR4 Specifications

General

Chipset	Intel B660
Memory Type	DDR4
Form Factor	ATX
Socket	LGA 1700
Memory Slots	4
Maximum Memory	128 GB
PCIe x1 Slots	2
M.2 Slots	2
SATA Ports	6
Audio	Realtek ALC897
RAID Support	RAID 0, 1, 5, 10
USB Ports	USB 3.2 Gen 2x2 (1), USB 3.2 Gen 2 (1), USB 3.2 Gen 1 (2), USB 2.0 (2)