ASUS PRIME B660M-K D4 motherboard is a feature-rich micro-ATX motherboard designed to support 12th generation Intel processors. With two DDR4 DIMM slots, it can accommodate up to 64GB of DDR4 memory for efficient multitasking and system performance. This motherboard boasts two M.2 slots, allowing for high-speed storage solutions using NVMe SSDs.
In terms of connectivity, it offers a range of USB ports, including USB 3.2 Gen 2 and USB 2.0 ports, for fast data transfer and peripheral support. The Realtek Gigabit LAN controller ensures stable and reliable networking, while the onboard graphics support offers versatile display options, including HDMI and DVI ports. ASUS's renowned 5X Protection III safeguards your system components, and the ASUS UEFI BIOS provides user-friendly control over system settings.
Whether you're building a compact workstation or a versatile home PC, the ASUS PRIME B660M-K D4 motherboard delivers the performance and reliability you need for your computing tasks.
| Model | PRIME B660M-K D4 |
|---|---|
| CPU | Intel® Socket LGA1700 for 13th Gen Intel® Core™ & 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0* Refer to for CPU support list.* |
| Memory | 2x DIMM, Max. 64GB, DDR4 5333(OC)/5000(OC)/4800(OC)/4600(OC)/4400(OC)/4266(OC)/4000(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) *Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to for memory support list. |
| Graphics | 1 x HDMI 2.0 1 x D-Sub port 1 x HDMI® port** *Graphics specifications may vary between CPU types. Please refer to for any updates.** Support 4K@60Hz as specified in HDMI® 2.1. |
| Expansion Slots | Intel® 13th & 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots |
| Storage | Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports Intel® 13th & 12th Gen Processors* M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) 4 x SATA 6Gb/s ports *Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. **Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots. |
| Ethernet | 1 x Realtek 1Gb Ethernet ASUS LANGuard |
| USB | Rear USB: Total 6 ports 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A） Front USB: Total 6 ports 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports |
| Audio | Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback* Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers *A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
| Back Panel I/O Ports | 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x D-Sub port 1 x HDMI® port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port |
| Internal I/O Connectors | Fan and Cooling related: 1 x 4-pin CPU Fan header 1 x 4-pin Chassis Fan header Power related: 1 x 24-pin Main Power connector 1 x 8-pin 12V Power connector Storage related: 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB: 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous: 1 x RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header |
| Special Features | ASUS 5X PROTECTION III - DIGI VRM - LANGuard - Overvoltage Protection - SafeSlot Core - Stainless-Steel Back I/O ASUS Q-Design - Q-DIMM - Q-Slot ASUS EZ DIY - ProCool ASUS Thermal Solution - VRM heatsink design ASUS Lighting Control - RGB header |
| Software Features | ASUS Exclusive Software Armoury Crate AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI VRM Fan Xpert ASUS CPU-Z Norton Anti-virus software (Free Trial version) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode |
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories | Cables 2x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 2 x M.2 anchors Installation Media 1 x Support DVD Documentation 1 x User manual |
| Operating System | Windows® 11, Windows® 10 64-bit |
| Form Factor | microATX 24.4cm x 21.1cm |
