MotherboardsAsus
ASUS PRIME B660M-K D4
MPN: 20278
Key specifications
SocketLGA 1700
Form factormATX
ChipsetIntel | ® | B660 Chipset
Memory typeDDR4
M.2 slots4
Max MemoryUnknown
Full Specifications21 fields
General
Model
PRIME B660M-K D4
Cpu
- Intel
- ®
- Socket LGA1700 for Intel
- ®
- Core™ 14th & 13th Gen Processors, Intel® Core™ 12th Gen, Pentium
- ®
- Gold and Celeron
- ®
- Processors
- Supports Intel
- ®
- Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0
- ** Intel
- ®
- Turbo Boost Max Technology 3.0 support depends on the CPU types.
Chipset
- Intel
- ®
- B660 Chipset
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
- www.asus.com
- for memory support list.
Graphics
- 1 x D-Sub port
- 1 x HDMI
- TM
- 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
- Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
- Intel
- ®
- Core™ Processors (14th &13th & 12th Gen)
- 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
- TM
- port
- 1 x Realtek 1Gb Ethernet port
- 3 x Audio jacks
- 1 x PS/2 Keyboard/Mouse combo port
Internal I O
- 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 64-bit, Windows
- ®
- 10 64-bit
Form Factor
microATX24.4cm x 21.1cm
Physical Dimensions
Length Mm
244
Width Mm
211
Best indexed price
£215.68GBP
Indexed 26 May 2026 — verify at retailer
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