SPECIFICATIONS | |
Brand | ASUS |
Series | PRIME Series |
Model | ASUS PRIME B660M-K D4 |
Socket | LGA1700 |
Chipset | Intel B660 |
CPU Supported | Alder Lake and Raptor Lake |
Form Factor | Micro-ATX |
CPU | Intel® Socket LGA1700 for Intel® Core™ 14th & 13th Gen Processors, Intel® Core™ 12th Gen, Pentium® Gold and Celeron® Processors. * Refer to www.asus.com for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. |
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). |
Graphics Outputs | 1 x HDMI 2.0. 1 x HDMI® port**. * Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates. ** Support 4K@60Hz as specified in HDMI® 2.1. |
Expansion Slots | Intel® Core™ Processors (14th &13th & 12th Gen). 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. 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. |
USB | Rear USB:Total 6 ports. 2 x USB 2.0 ports (2 x Type-A. Front USB:Total 6 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. |
The ASUS PRIME B660M-K D4 is a notable entry in the micro-ATX motherboard market, designed to support Intel’s Alder Lake processors with an LGA 1700 socket. As part of the PRIME series, it aims to offer a blend of performance, stability, and versatility suitable for both gamers and professionals. The motherboard is tailored to cater to users seeking a reliable foundation for building a mid-range to high-end system, with features that make it a strong contender in its segment.
One of the primary features of the ASUS PRIME B660M-K D4 is its compatibility with the latest 12th Generation Intel Core processors. This support ensures that users can leverage the performance improvements and power efficiency gains brought by the Alder Lake architecture. The motherboard’s LGA 1700 socket is designed to accommodate these processors, providing a solid platform for both multitasking and demanding applications.
Memory support is another crucial aspect of the ASUS PRIME B660M-K D4. It features four DDR4 DIMM slots, allowing for a maximum memory capacity of up to 128GB. This high memory capacity is ideal for users who require substantial RAM for tasks such as video editing, 3D rendering, or running virtual machines. Additionally, the motherboard supports dual-channel memory architecture, which can significantly boost overall system performance by increasing data throughput.
The ASUS PRIME B660M-K D4 also boasts a range of connectivity options that cater to modern users’ needs. It includes multiple USB ports, including USB 3.2 Gen 1 and Gen 2 ports, ensuring high-speed data transfer and compatibility with a wide array of peripherals. The presence of an M.2 slot for NVMe SSDs provides users with the opportunity to install fast storage solutions, enhancing system responsiveness and reducing load times for applications and games.
In terms of audio, the ASUS PRIME B660M-K D4 is equipped with high-quality components to deliver clear and immersive sound. The onboard audio system features Realtek’s ALC897 audio codec, which supports high-definition audio and provides a superior listening experience for both casual users and audiophiles. This makes the motherboard a suitable choice for users who enjoy multimedia consumption, such as watching movies or listening to music.
The motherboard’s design also emphasizes durability and stability. ASUS has incorporated its renowned 5X Protection III suite, which includes various hardware safeguards such as overvoltage protection, overcurrent protection, and ESD guards. These features ensure that the motherboard can withstand electrical surges and provide reliable operation over an extended period, reducing the risk of component damage.
Additionally, the ASUS PRIME B660M-K D4 features a user-friendly BIOS interface that simplifies system configuration and tuning. The ASUS UEFI BIOS offers an intuitive graphical interface with easy-to-navigate menus, making it accessible for both novice and experienced users. The BIOS also includes advanced features such as EZ Flash, which allows for straightforward firmware updates, and AI Overclocking, which helps users optimize their system’s performance with minimal effort.
Finally, the micro-ATX form factor of the ASUS PRIME B660M-K D4 makes it a versatile choice for a wide range of PC builds. Its compact size allows it to fit into smaller cases, making it ideal for users who want to build space-saving systems without compromising on performance or features. Despite its smaller footprint, the motherboard still provides ample expansion options, including PCIe slots for additional graphics cards or other expansion cards, ensuring that users can customize their systems according to their needs.
This motherboard stands out as a reliable and feature-rich choice for users looking to build a modern PC. With its support for the latest Intel processors, high memory capacity, comprehensive connectivity options, and robust design, it caters to a wide range of users, from gamers to professionals. Its balance of performance, durability, and ease of use makes it a compelling option for anyone seeking a solid foundation for their next PC build.

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