PRO B660M-C D4-CSM
The ASUS PRO B660M-C D4-CSM is a Micro ATX LGA1700 motherboard on the B660 chipset. It supports DDR4 memory up to 4,600 MT/s and 2 M.2 slots. Full specs, power delivery, and current prices are below.
Prices update regularly and may differ at the retailer. This page contains affiliate links.
MaxMyBuild scores
How we score →How well the PRO B660M-C D4-CSM is equipped for gaming and for productivity, scored 0–100 from its specs. Scores are fit-for-purpose: a capable board can top the gaming score without being the most expensive.
Weighs CPU power delivery, memory speed support, the GPU PCIe slot, Wi-Fi version, and M.2 storage — the things that actually matter for a gaming build.
Rewards fast, plentiful M.2 storage and USB I/O, PCIe expansion, memory capacity and slots — what matters for content creation and heavy multitasking.
CPU power
122 W
Limited · 0.4x
Wired for about 122 W, roughly 41% of the 300 W that the top Core i9 chips pull. Pair it with a mid-range processor rather than a flagship. It is a rating of what the board is built to deliver, not a measurement, so treat it as headroom rather than a guarantee.
Specifications
Platform
- Chipset
- B660
- Socket
- LGA1700
- Form factor
- Micro ATX
Memory
- Type
- DDR4
- Slots
- 4
- Max speed
- 4,600 MT/s
- Max capacity
- 128 GB
- Channels
- 2-channel
- ECC / memory
- UDIMM
Power & VRM
- CPU power
- 122 W
- EPS power
- 8
Storage & Expansion
- M.2 slots
- 2
- M.2 layout
- 2× PCIe 4.0 ×4
- SATA ports
- 4 SATA3
- PCIe ×16 slots
- 1× PCIe 4.0 ×16
- Other PCIe slots
- 2× PCIe 3.0 ×1
Ethernet & Wi-Fi
- Intel
- 1 GbE
- Ethernet ports
- 1
- Wi-Fi
- None
USB & I/O
- Rear USB-A
- 2× USB 2.0, 2× 5 Gbps
- Front USB-C
- 1× 5Gbps
- Front USB 3 headers
- 1
- Front USB 2 headers
- 2
Audio & Video
- Audio codec
- Realtek ALC897
- Audio jacks
- 3
- HDMI
- HDMI 2.1
- DisplayPort
- 2× DP 1.4
- USB-C video
- None
Cooling, RGB & Design
- Fan headers
- 3
- 12V RGB headers
- 0
- 5V ARGB headers
- 0
Onboard & Diagnostics
- Diagnostics
- Debug LEDs
Compare the PRO B660M-C D4-CSM against every other board on the motherboard comparison table. Not sure it fits your chip? The socket compatibility guide explains LGA1700 pairings.
Where to buy the PRO B660M-C D4-CSM
Every in-stock retailer offer we track, cheapest first.
| Retailer | Availability | Price | Buy |
|---|---|---|---|
| Newegg | In stock | $189.87 |  |
The PRO B660M-C D4-CSM starts from $189.87 across 1 retailer (No onboard Wi-Fi). Prices update daily from live stock.
Which CPUs fit the PRO B660M-C D4-CSM?
Compare all CPUs →In-stock LGA1700 processors this board can run, socket-matched and within its 122 W power budget, ranked by gaming value (performance per dollar).
| Processor | Cores | Gaming | From | |
|---|---|---|---|---|
| Core i3-14100F Intel | 4/8 | 50.0 | $104.99 | |
| Core i3-14100 Intel | 4/8 | 50.0 | $142.80 | |
| Core i3-12100 Intel | 4/8 | 48.0 | $149.00 | |
| Core i5-12400F Intel | 6/12 | 53.0 | $179.99 | |
| Core i5-12400 Intel | 6/12 | 53.0 | $187.25 |
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