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ASUS PRIME B660-PLUS D4 Intel B660 LGA 1700 ATX
1089917 90MB18X0-M0EAY0
4711081523017, 0195553523011, 4711081523024
2026-08-31
All-Around Energy Efficiency
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.
Flexible Air- and Liquid-Cooling Controls
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.
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.
Processor | |
| Compatible processor series | Intel® Celeron®, Intel® Core™ i3, Intel® Pentium® Gold, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9 |
| Processor socket | LGA 1700 |
| Supported processor sockets | LGA 1700 |
| Processor manufacturer | Intel |
Memory | |
| Maximum internal memory | 128 GB |
| Supported memory clock speeds | 2133, 2400, 2666, 2800, 2933, 3000, 3466, 3600, 3866, 4000, 4400, 4600, 4800, 5000, 3333, 3400, 3733, 4266, 5066 |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Unbuffered memory | Yes |
| Number of memory slots | 4 |
| ECC сompatibility | Non-ECC |
Storage controllers | |
| RAID levels | 0, 1, 5, 10 |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III, PCI Express 4.0 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
Internal I/O | |
| USB 2.0 connectors | 2 |
| S/PDIF out connector | Yes |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| EPS power connector (8-pin) | Yes |
| Thunderbolt headers | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | Yes |
| RGB LED pin header | Yes |
Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 3 |
| VGA (D-Sub) ports quantity | 1 |
| DVI-D ports quantity | 0 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| USB connector type | USB Type-C, USB Type-A |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
Network | |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Ethernet LAN | Yes |
| Wi-Fi | No |
Features | |
| Motherboard form factor | ATX |
| Motherboard chipset | Intel B660 |
| Audio output channels | 7.1 channels |
| Motherboard chipset family | Intel |
| Component for | PC |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Power source type | ATX |
Expansion slots | |
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 128 Mbit |
| Clear CMOS jumper | Yes |
Weight & dimensions | |
| Width | 305 mm |
| Depth | 244 mm |
| Height | 53 mm |
Other features | |
| Weight | 891 g |
Packaging content | |
| Cables included | SATA |
Logistics data | |
| Harmonized System (HS) code | 84733020 |