ASUS Prime B660M-A D4 LGA 1700 (Intel 12th Gen) mATX Motherboard
Bottom line: The ASUS Prime B660M-A D4 LGA 1700 mATX Motherboard ($169.99 on Amazon as of 2026-10-07): Runs 12th Gen Intel Core, Pentium Gold and Celeron on the LGA 1700 socket; main trade-off: DDR4 only, no DDR5 upgrade path.
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*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Runs 12th Gen Intel Core, Pentium Gold and Celeron on the LGA 1700 socket
- ✓ PCIe 4.0 plus two M.2 slots for fast NVMe storage
- ✓ Rear USB 3.2 Gen 2 Type-A and front USB 3.2 Gen 1 Type-C
- ✓ VRM, M.2 and PCH heatsinks with hybrid fan headers for cooling
- ✓ ASUS OptiMem II trace routing aids DDR4 memory overclocking
Cons
- ✗ DDR4 only, no DDR5 upgrade path
- ✗ B660 chipset locks CPU to stock, no core overclocking
- ✗ 1 Gb LAN only, no 2.5 Gb Ethernet
- ✗ No onboard Wi-Fi included
Manufacturer description
The ASUS PRIME B660M-A D4 is expertly engineered to unleash the full potential of 12th Gen Intel Core processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, ASUS PRIME B660M-A D4 provides daily users and DIY PC builders a range of performance tuning options via included software and hardware.
SpecPicks Verdict
SpecPicks scored ASUS Prime B660M-A D4 LGA 1700 mATX Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. Compare with similarly-priced alternatives in the motherboards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Intel LGA 1700 socket: Ready for 12th Gen Intel Core, Pentium Gold and Celeron Processors
- Ultrafast connectivity: PCIe 4.0, Intel 1 Gb Ethernet ,rear USB 3.2 Gen 2 Type-A and front USB 3.2 Gen 1 Type-A and Type-C
- ASUS OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking
- Comprehensive cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
Full Specifications
| Brand | ASUS |
|---|---|
| USB 2.0 | 4 |
| Platform | Windows 10 |
| CPU Model | Pentium |
| CPU Socket | LGA 1700 |
| Model Name | PRIME B660M-A D4 |
| Chipset Type | Intel |
| Connectivity | USB |
| Model Number | PRIME B660M-A D4 |
| Item Type Name | Desktop Motherboard |
| ASUS OptiMem II | Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking |
| Mfr Part Number | PRIME B660M-A D4 |
| Number of Ports | 14 |
| Total Usb Ports | 6 |
| Processor Socket | LGA 1700 |
| Total PCIe Ports | 3 |
| Total SATA Ports | 4 |
| Compatible Devices | Personal Computer |
| Memory Clock Speed | 2133 MHz |
| Warranty Description | 3 Years |
| Full listing title | ASUS Prime B660M-A D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0, DDR4,2xM.2 Slots, 1Gb LAN, DP,2 x HDMI, Rear USB 3.2 Gen 2, Front USB 3.2 Gen 1 Type-C, Aura Sync) |
Ready to buy?
ASUS Prime B660M-A D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0, DDR4,2xM.2 Slots, 1Gb LAN, DP,2 x HDMI, Rear USB 3.2 Gen 2, Front USB 3.2 Gen 1 Type-C, Aura Sync) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
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