ASRock B660M PHANTOM GAMING 4 LGA 1700 DDR4 Motherboard

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ASRock B660M PHANTOM GAMING 4 LGA 1700 DDR4 Motherboard Key Features

  • Supports 12th Gen Intel® Core™ Processors (LGA1700)
  • 8-Phase Power Design
  • Supports DDR4 5333MHz (OC)*
  • 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1
  • 1 M.2 Key-E for WiFi
  • Graphics Output Options: HDMI, DisplayPort
  • Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
  • 4 SATA3
  • 2 Hyper M.2 (PCIe Gen4 x4)
  • 6 USB 3.2 Gen1 (4 Rear, 2 Front)
  • 6 USB 2.0 (2 Rear, 4 Front)
  • Intel® Gigabit LAN

ASRock B660M PHANTOM GAMING 4 LGA 1700 DDR4 Motherboard Specs

Unique Feature ASRock Super Alloy

Premium Power Choke

– Sapphire Black PCB

– High Density Glass Fabric PCB

ASRock Intel® 4-Layer Memory POOL (Planes on Outer Layers) Technology

ASRock Steel Slot

ASRock Hyper M.2 (PCIe Gen4x4)

ASRock POST Status Checker (PSC)

ASRock Full Spike Protection (for all USB, Audio, LAN Ports)

ASRock Live Update & APP Shop

CPU Supports 12th Gen Intel® Core™ Processors (LGA1700)

– Digi Power design

– 8 Power Phase design

– Supports Intel® Hybrid Technology

– Supports Intel® Turbo Boost Max 3.0 Technology

Chipset – Intel® B660
Memory Dual Channel DDR4 Memory Technology

– 4 x DDR4 DIMM Slots

– Supports DDR4 non-ECC, un-buffered memory up to 5333+(OC)

* – Supports ECC UDIMM memory modules (operate in non-ECC mode)

– Max. capacity of system memory: 128GB

– Supports Intel® Extreme Memory Profile (XMP) 2.0

BIOS 128Mb AMI UEFI Legal BIOS with multilingual GUI support

– ACPI 6.0 Compliant wake up events

– SMBIOS 2.7 Support

– CPU Core/Cache, CPU GT, DRAM, VDD_IMC, VCCIN AUX, +1.05V

PROC, +0.82V PCH, +1.05V PCH Voltage Multi-adjustment

Graphics Intel® Xe Graphics Architecture (Gen 12)

– Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers

– Supports HDMI 2.1 TMDS Compatible with max. resolution up to 4K x 2K (4096×2160) @ 60Hz

– Supports DisplayPort 1.4 with DSC (compressed) max. resolution up to 8K (7680×4320) @ 60Hz / 5K (5120×3200) @ 120Hz

– Supports HDCP 2.3 with HDMI 2.1 TMDS Compatible and DisplayPort 1.4 Ports

Audio 7.1 CH HD Audio (Realtek ALC897 Audio Codec)

– Supports Surge Protection

– Nahimic Audio

LAN Gigabit LAN 10/100/1000 Mb/s

– Giga PHY Intel® I219V

– Supports Wake-On-LAN

– Supports Lightning/ESD Protection

– Supports Energy Efficient Ethernet 802.3az

– Supports UEFI PXE

Slots CPU:

1 x PCIe 4.0 x16 Slot (PCIE1), supports x16 mode

Chipset: – 1 x PCIe 3.0 x16 Slot (PCIE3), supports x4 mode

1 x PCIe 3.0 x1 Slot (PCIE2)

1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and Intel® CNVi (Integrated WiFi/BT)

Storage CPU:

1 x Hyper M.2 Socket (M2_1, Key M), supports type 2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*


1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode

4 x SATA3 6.0 Gb/s Connectors

RAID Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Connector 1 x SPI TPM Header

– 1 x Chassis Intrusion and Speaker Header

– 1 x CPU Fan Connector (4-pin)

– 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)

** – 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***

– 1 x 24 pin ATX Power Connector

– 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)

– 1 x Front Panel Audio Connector

– 1 x Thunderbolt™ AIC Connector (5-pin) (Supports ASRock Thunderbolt™ 4 AIC Card)

– 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)

– 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)

Rear Panel I/O 3 x Antenna Mounting Points

– 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)

– HD Audio Jacks: Line in / Front Speaker / Microphone

Software and UEFI Software

ASRock Motherboard Utility (Phantom Gaming Tuning)

ASRock XFast LAN


ASRock EZ Mode


ASRock My Favorites in UEFI

ASRock Instant Flash

ASRock Internet Flash

ASRock Easy RAID Installer

Support CD Drivers, Utilities, AntiVirus Software (Trial Version)
Accessories Quick Installation Guide, Support CD, I/O Shield

2 x SATA Data Cables

3 x Screws for M.2 Sockets

Hardware Monitor Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans

Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans

Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans

CASE OPEN detection

Voltage monitoring: CPU Vcore, +1.05V_PCH, DRAM, VCCIN AUX, VCCSA, +1.05V PROC, +0.82V PCH, +12V, +5V, +3.3V

Form Factor Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm

Solid Capacitor design

OS Microsoft® Windows® 10 64-bit / 11 64-bit
Certifications FCC, CE

ErP/EuP ready (ErP/EuP ready power supply is required)

Warranty 3 Years
Weight 1 kg
Dimensions 10 × 20 × 25 cm


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