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Brand
ASRock
Brand
ASRock
Model
B660 Pro RS
Model
Z790 PRO RS/D4
Release Date
-
Release Date
📅 October 2022
* First availability for purchase, it may not correspond to the actual market launch date.
* 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 PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
2 x USB 3.2 Gen1 Ports
4 x USB 2.0 Ports
1 x RJ-45 LAN Port
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
2
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
8
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
4
M.2 Ports
5
M.2 Devices support
2260 / 2280 - M Key
2260 / 2280 - M Key
2260 / 2280 / 22110 - M Key
2230 - E Key
M.2 Devices support
2260 / 2280 - M Key
2260 / 2280 - M Key
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
128 GB
Onboard USB 2.0
1
Onboard USB 2.0
2
Onboard USB 3.2 Gen 1
2
Onboard USB 3.2 Gen 1
2
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
What are the differences between ASRock B660 Pro RS and Z790 PRO RS/D4? Analyze head-to-head all specifications and features to find out the better motherboard.
