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ASUS Prime series motherboards are expertly engineered to unleash the full potential of 12th Generation Intel® processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B660 provides users and PC DIY builders a range of performance tuning options via intuitive software and firmware features.
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.
The Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode — a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers.
ASUS Fan Xpert 2+ software provides comprehensive control over fans, water pumps and all-in-one (AiO) coolers. Whether cooling with air or water, an Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces all fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans, water pumps and AiO coolers can also be controlled via the UEFI BIOS.
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.
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.
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.
EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings — all to help you get your rig up and running in no time.
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.
M.2 heatsink wards off throttling that can occur with M.2 storage during sustained transfers. The heatsink is held in place by captive screws.
VRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.
Prime B660 series feature comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.
Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
A dedicated PWM/DC header for self-contained water-cooling setups.
*AIO Pump header supports 1 amp, and Water Pump+ header supports 3 amps.
A dedicated integrated circuit protects each fan header from overheating and overcurrent.
Each onboard header supports auto-detection of PWM or DC fans.
Prime B660 series are built to handle the additional cores and increased bandwidth of 12th Generation Intel® 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.
Stable power is essential to extract every last bit of performance out of 12th Generation Intel processors. Prime B660-PLUS D4 is geared to cater to the demands of these high-core-count CPUs.
Proprietary connector augments the motherboard's link to the PSU with 8 pin connector that passes 12 volts of power directly to the processors. Each jack features solid pins that can handle more current than hollow-pin connectors.
Improvements to trace routing design provide the latest Intel processors with enhanced access to memory bandwidth. ASUS OptiMem technology carefully maps memory signal pathways across different PCB layers to reduce path distance, and it adds shielding zones that significantly reduce crosstalk.
Revisions to the motherboard's trace routing provide the latest Intel processors with unrestricted access to memory bandwidth. ASUS OptiMem technology carefully maps memory signal pathways across different PCB layers to reduce vias and adds shielding zones that significantly reduce crosstalk.
ASUS OptiMem benefits:
Prime B660-PLUS D4 offers a total of three M.2 slots that support data-transfer speeds of up to 64 Gbps via PCIe® 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.
* The M.2_1 and M.2_2 support PCIe4.0x4, M.2_3 supports PCIe4.0 x2
Prime B660 motherboards are designed specifically for 12th Generation Intel® Core™ CPUs and offer PCIe® 4.0 connectivity for the latest GPUs. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly.
Numerous USB ports support high-end rigs loaded with peripherals, including rear USB Type-C® connectors with fast USB 3.2 Gen 2x2 for transmission speeds of up to 20 Gbps.
Prime B660-PLUS D4 features Thunderbolt™ 4 support via an on-board header. With the latest Intel-certified ASUS ThunderboltEX 4 add-on card, it can enable bi-directional speeds of up to 40 Gbps on a single cable. Additionally, this card has a daisy-chain function for multi-screen connection and supports up to an 8K resolution display. It can also provide up to 100 watts of power to fast-charge devices.
2.5Gb Ethernet Connection reduces CPU overhead and offers faster, smoother data transfer.
Prime B660 series add the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.
Outshine the Competition
A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips and devices connected to the onboard RGB headers — and it can all be synced with an ever-growing portfolio of Aura-capable hardware.
Three addressable Gen 2 headers are capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new headers also offer backward-compatibility with existing Aura RGB gear.
Armoury Crate is a new software utility designed to give you centralized control of supported products. From a single intuitive interface, Armoury Crate allows you to easily customize RGB lighting and effects for every compatible device in your arsenal. 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.
The on-board Q-LED troubleshooting lights give PC builders a quick indicator to confirm that key components - CPU, RAM, graphics card, storage devices - are functioning normally during startup.
SafeSlot Core+ is the ASUS-exclusive PCIe slot fortified with a one-piece stainless-steel brace that shields the slot to protect it from damage. The metal cover is tightly secured to the slot with hooks, and the entire assembly is firmly anchored to the PCB with strengthened solder points to provide a secure foundation for heavyweight graphics cards.
ASUS Prime B660-Plus D4 ATX Motherboard Intel LGA 1700 Socket
CPU
| CPU Socket | Socket 1700 |
| CPU Brand | Intel |
| Installed Processors (Max) | 0 (1) |
| Supported Processor Manufacturer | Intel |
| Supported Processors | 12th Gen Intel Core, Pentium Gold and Celeron Processors |
| 64-bit Support | Yes |
| Socket | LGA1700 |
Rear Panel I/O Ports
| USB Ports | 1 x USB-C 3.2 2 x USB 3.1 1 x USB 3.0 2 x USB 2.0 |
| DisplayPorts | 1 x DisplayPort 1.4 |
| HDMI Port | 1 x HDMI 2.1 |
| VGA Port | 1 x D-Sub |
| RJ-45 Ports | 1 x RJ-45 |
| Audio Line In Ports | 1 x 3.5mm Jack |
| Audio Line Out Ports | 1 x 3.5mm Jack |
| Microphone In Port | 1 x 3.5mm Jack |
Internal I/O Connectors
| SATA Connectors | 4 x SATA III |
| USB Connectors | 1 x USB-C 3.0 header (supports 1 port) 1 x USB 3.0 header (supports 2 ports) 2 x USB 2.0 headers (supports 4 ports) |
| Front Panel Connectors | 1 x Front Panel 1 x Front Audio |
| Cooling Fan Support | 1 x CPU fan header 1 x AIO pump header 3 x Chassis fan headers |
| S/PDIF Connectors | 1 x S/PDIF Out header |
| Thunderbolt Port(s) | 1 x Thunderbolt header |
| Serial Connectors | 1 x COM header |
| Chassis Intrusion Connector | 1 x Chassis Intrusion header |
| TPM Header | 1 x SPI TPM header |
| Power Connector Port | 1 x 24-pin ATX 1 x 8-pin EPS |
| Other Connectors | 1 x M.2 slot, Key M, Type 2242/2260/2280 (PCIe Gen4) 1 x M.2 slot, Key M, Type 2242/2260/2280/22110 (PCIe Gen4 or SATA) 1 x M.2 slot, Key M, Type 2242/2260/2280 (PCIe Gen4 or SATA) 1 x M.2 slot, Key E for Wi-Fi module 3 x 3-pin ARGB LED headers 2 x 4-pin RGB LED headers |
Memory
| Memory Bus Speed | Up to 5066 MHz |
| Memory Type | DDR4 |
| Maximum RAM | 128 GB |
| Memory Slot | 4 x DIMM |
Motherboard
| Chipset Manufacturer | Intel |
| Northbridge | B660 |
| RAID Supported | Yes |
| RAID Format | RAID 0, 1, 5, 10 |
| SATA Supported | Yes |
Expansion
| Number of PCI Express Slots | 1 x PCI Express 4.0 x16 slot 1 x PCI Express 3.0 x16 slot (@ x4) 2 x PCI Express 3.0 x1 slots |
Graphics Device
| Integrated Graphics Supported | Yes |
Sound
| Integrated Sound | Realtek |
Warranty
| Warranty | 3 Years |
Network
| Integrated Network | Realtek |
| Network Speeds Supported | Up to 2.5 Gbps |
| Wireless LAN | No |
| Bluetooth | No |
System Requirements
| Operating Systems Supported | Microsoft Windows 11 / 10 64-bit |
System
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
| Jumpers | 1 x Clear CMOS |
| Software Included (may be trial or restricted) | Yes |
| Drivers | Yes |
Physical
| Form Factor | ATX Motherboard |
| In The Box | ASUS Prime B660-Plus D4 Motherboard 2 x SATA 6Gb/s cables 1 x I/O Shield 1 x M.2 Rubber Package 2 x M.2 SSD screw packages 1 x M.2 Key E screw package 1 x Support DVD 1 x User guide |
| Width | 305 mm |
| Length | 244 mm |
Key Features
| Firewire | No |
| Wireless Network | No |
| Memory Channel | Dual |
| On-board Audio Type | 7.1 |
| Number of SATA Ports | 4 port(s) |
| Number of USB Ports | 6 port(s) |
| SATA III Support | Yes |
| USB 3.0 Support | Yes |
| Multi GPU Support | No |
| VGA Connection | Yes |
| DVI Connection | No |
| HDMI Connection | Yes |
| DisplayPort Connection | Yes |
| Motherboard Form Factor | ATX |
| Motherboard Power Connectors | 8-Pin |
| Motherboard Chipset | Intel B660 |
| Thunderbolt | No |
| Motherboard Model | ASUS Prime B660-Plus D4 |
| USB 3.1 Support | Yes |
| Internal USB3.0 Header | Yes |
| M.2 Support | Yes |
| On-board RGB Control | ASUS Aura Sync |
| Memory Speed | 5066 MHz |
| RGB Header Type | 3-Pin ARGB |
| Addressable RGB | Yes |
| Internal USB Type-C Header | Yes |
| Power Requirement (auto) | 70 W |
| Max Memory Speed Supported (Non-overclocked) | 3200 MHz |
| Max Memory Speed Supported (overclocked) | 5066 MHz |
| CPU Power Pins (female) | 8 |
| Total M.2 Slots | 3 |
| Maximum NVMe M.2 ports | 3 |
| Maximum SATA M.2 ports | 2 |
| SATA ports | 4 |
| No. of front USB2.0 ports supported | 4 |
| No. of front USB3.0 ports supported | 2 |
| No. of front USB-C ports supported | 1 |
Item Details
| Manufacturer | ASUS |
| Manufacturer Code | 90MB18X0-M0EAY0 |
| EAN | 4711081523017 |
| UPC | 195553523011 |
| Condition | New |
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