ASUS Prime series motherboards are expertly engineered to unleash the full potential of 12th Generation IntelĀ® processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B660M-K D4 provides users and PC DIY builders a range of performance tuning options via intuitive software and firmware features.
FLEXIBILITY
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B660 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.
Intelligent Control
All-Around Energy Efficiency
The Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode ā a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers.
Flexible Air- and Liquid-Cooling Controls
ASUS Fan Xpert software provides comprehensive control over fan. Thereās an Extreme Quiet mode that reduces fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fan can also be controlled via the UEFI BIOS.
Precise Digital Power Control
The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.
UEFI BIOS
The renowned ASUS UEFI BIOS provides everything you need to configure, tweak and tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans.
Advanced Tuning for Serious Tweakers
An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.
Quick and Simple Setup
EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings ā all to help you get your rig up and running in no time.
Intuitive Graphical Fan Control
Fine-tune individual fan settings simply by dragging a curve with the mouse.
EZ XMP
Improve DRAM performance with one click.
COOLING
Prime B660 series are engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
Heatsinks
VRM Heatsink and Thermal Pad
VRM heatsink and thermal pad improve heat transfer from the MOSFETs and chokes for better cooling performance.
Cooler by Design
Prime B660 series feature comprehensive cooling controls that are configurable via Fan Xpert software or via the UEFI BIOS.
Multiple Temperature Sources
Each header can dynamically reference three thermal sensors. Fan Xpert allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
PERFORMANCE
Prime B660 series are built to handle the additional cores and increased bandwidth of 12th Generation IntelĀ® processors. ASUS B660 motherboards provide all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.
Power Design
Stable power is essential to extract every last bit of performance out of 12th Generation Intel processors. Prime B660M-K D4 is geared to cater to the demands of these high-core-count CPUs.
ProCool Connectors
Proprietary connectors augment the motherboard’s link to the PSU with 8 pin connectors that pass 12 volts of power directly to the processors. Each jack features solid pins that can handle more current than hollow-pin connectors.
6+1+1 Power Stages
A VRM with 6+1+1 Power Stages delivers the power and efficiency that the latest Intel processors demand.
DDR4 5333(OC)
Improvements to trace routing design provide the latest Intel processors with enhanced access to memory bandwidth. ASUS technology carefully maps memory signal pathways across different PCB layers to reduce path distance, and it adds shielding zones that significantly reduce crosstalk.
Storage
Two M.2 slots (up to 64 Gbps)
Prime B660M-K D4 offers a total of two M.2 slots that support data-transfer speeds of up to 64 Gbps via PCIeĀ® 4.0, enabling quicker boot-up and app load times with OS or application drives.
* Actual transmission speeds will be lower than the theoretical maximum speed.
Connectivity
PCIeĀ® 4.0 Slot
Prime B660M-K D4 is designed specifically for 12th Generation IntelĀ® CoreTM CPUs and offer PCIeĀ® 4.0 connectivity. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly.
Realtek 1 Gb Ethernet
Realtek 1 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfer.
Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything youāve ever experienced.
Audio Shielding
Separates analog/digital signal domains, significantly reducing multi-lateral interference.
Separate Layer for Left and Right Tracks
Ensures minimal crosstalk between audio paths.
Premium Audio Capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.
Lighting Control
Brighten Up Your Build
With 5050 RGB strips connected to the RGB header, you can create your own stunning multicolor lighting displays with static, blinking, fading, and strobing effects.
* The RGB-strip header supports 5050 RGB LED strips with a max power rating of 3A (12V). For maximum brightness, strip length should not exceed 3m.
** RGB LED Strips are sold separately.
Armoury Crate
Armoury Crate is a new software utility designed to give you centralized control of supported products. From a single intuitive interface. The software also provides control of settings for an ever-growing number of ASUS products, including keyboard and mouse preferences. Armoury Crate even features dedicated product registration and news to help you stay in touch with the ASUS community.
Q-LED Core
The Q-LED Core display produces light patterns by power LED during the Power-On Self-Test (POST) that can help users troubleshoot potential issues.
SafeSlot Core
SafeSlot Core is the ASUS-exclusive PCIeĀ® slot. Featuring a fortified design that’s anchored to the motherboard by a special hook, Safeslot Core provides 1.6X-stronger retention and 1.3X-greater shearing resistance than standard expansion slots.
LANGuard
Pumped-up throughput 2.5X higher surge tolerance
ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection.
Overvoltage Protection
World-class circuit-protecting power design
An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.
DRAM Overcurrent Protection
Short-circuit damage prevention
Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.
Stainless-Steel Back I/O
3X corrosion-resistance for greater durability
Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that’s three times longer than ordinary panels.
PRIME B660M-K D4
CPU
IntelĀ® Socket LGA1700 for IntelĀ® Coreā¢ 14th & 13th Gen Processors, IntelĀ® Coreā¢ 12th Gen, PentiumĀ® Gold and CeleronĀ® Processors*
Supports IntelĀ® Turbo Boost Technology 2.0 and IntelĀ® Turbo Boost Max Technology 3.0**Ā * Refer to www.asus.com for CPU support list.Ā Ā MemoryĀ Ā GraphicsĀ Expansion SlotsĀ Ā StorageĀ Ā EthernetASUS LANGuardĀ USBĀ AudioĀ Back Panel I/O PortsĀ Internal I/O ConnectorsĀ Special FeaturesĀ Software FeaturesĀ BIOSĀ ManageabilityĀ Accessories
WindowsĀ® 11, WindowsĀ® 10 64-bit
Model |
** IntelĀ® Turbo Boost Max Technology 3.0 support depends on the CPU types. |
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 IntelĀ® Extreme Memory Profile (XMP) |
* Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list. |
1 x HDMI 2.0 |
1 x D-Sub port |
1 x HDMIĀ® port** |
* Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates. |
** Support 4K@60Hz as specified in HDMIĀ® 2.1. |
IntelĀ® 13th & 12th Gen Processors |
1 x PCIe 4.0/3.0 x16 slot |
IntelĀ® B660 Chipset |
2 x PCIe 3.0 x1 slots |
Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports |
IntelĀ® 13th & 12th Gen Processors* |
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) |
IntelĀ®Ā B660 Chipset** |
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) |
4 x SATA 6Gb/s ports |
* IntelĀ® Rapid Storage Technology supports SATA RAID 0/1/5/10. |
** IntelĀ® Rapid Storage Technology supports IntelĀ® Optane Memory H Series on PCH attached M.2 slots. |
1 x Realtek 1Gb Ethernet |
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-Aļ¼ |
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 |
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. |
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 HDMIĀ® port |
1 x Realtek 1Gb Ethernet port |
3 x Audio jacks |
1 x PS/2 Keyboard/Mouse combo port |
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 |
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 |
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 |
128 Mb Flash ROM, UEFI AMI BIOS |
WOL by PME, PXE |
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 |
Form Factor |
microATX |
24.4cm x 21.1cm |
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