ASRock B660 Pro RS vs B650 PRO RS Motherboard Comparison

ASRock B660 Pro RS and ASRock B650 PRO RS are both motherboards with the same Form factor (ATX), Audio Chipset (Realtek ALC897) and Audio Channels (7.1 Channels). The main differences are in Socket, Chipset, Supported Memory and LAN Chipset.

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ASRock B660 Pro RS	ASRock B650 PRO RS
Prices (Change region) Out of Stock Free shipping $139.99 Out of Stock Free shipping $203.99 - Buy now	Prices (Change region) In Stock $129.99 Last updated 50 minutes ago.
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Brand ASRock	Brand ASRock
Model B660 Pro RS	Model B650 PRO RS
Release Date -	Release Date 📅 October 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★☆☆ (1 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►	Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►
Series -	Series PRO
Socket LGA1700	Socket AM5
Form factor ATX	Form factor ATX
Chipset Intel B660	Chipset AMD B650
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz 4200Mhz 4266Mhz 4600Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support No	ECC RAM Support No
Audio Chipset Realtek ALC897	Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Intel I219-V	LAN Chipset Dragon RTL8125BG
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 2.5Gbps
SLI Support No	SLI Support No
CrossFire Support Yes	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x DisplayPort 1.4 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 2 x USB 2.0 Ports (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) 1 x BIOS Flashback Button HD Audio Jacks: Line in / Front Speaker / Microphone	Back I/O Ports 2 x Antenna Mounting Points 1 x HDMI Port 1 x DisplayPort 1.4 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) 2 x USB 3.2 Gen1 Ports 6 x USB 2.0 Ports 1 x RJ-45 LAN Port 1 x BIOS Flashback Button HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 2	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	PCI-Express x1 Slots 1
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 4	M.2 Ports 4
M.2 Devices support 2260 / 2280 - M Key 2260 / 2280 - M Key 2260 / 2280 / 22110 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2242 / 2260 / 2280 - M Key 2260 / 2280 - M Key 2230 - E Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 192 GB
Onboard USB 2.0 1	Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 2	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 1