New Prime B660M-A PRIME B660-PLUS Pro PRIME B660-PLUS WiFi Prime B660M-A Gaming PRIME B660-PLUS 128GB Micro ATX Motherboard for Desktop
Here’s a detailed comparison table for the ASUS Prime B660 series motherboards, including both existing and hypothetical models:
ASUS Prime B660 Series Comparison Table
| Feature | Prime B660M-A | Prime B660-PLUS | Prime B660-PLUS WiFi | Prime B660M-A Gaming (Hypo.) | Prime B660-PLUS Pro (Hypo.) |
|---|---|---|---|---|---|
| Form Factor | mATX (24.4×24.4cm) | ATX (30.5×24.4cm) | ATX (30.5×24.4cm) | mATX (24.4×24.4cm) | ATX (30.5×24.4cm) |
| VRM Design | 8+1 phase (50A) | 10+1 phase (55A) | 10+1 phase (55A) | 8+1+1 phase (55A) | 12+1 phase (60A) |
| Memory Support | DDR4-5333 (128GB) | DDR5-6000 (128GB) | DDR5-6000 (128GB) | DDR4-5333 (128GB) | DDR5-6200 (128GB) |
| PCIe Slots | 1x PCIe 5.0 x16 1x PCIe 3.0 x1 |
1x PCIe 5.0 x16 2x PCIe 3.0 x1 |
1x PCIe 5.0 x16 2x PCIe 3.0 x1 |
1x PCIe 5.0 x16 (reinforced) 1x PCIe 3.0 x1 |
1x PCIe 5.0 x16 3x PCIe 3.0 x1 |
| M.2 Slots | 2 (1x PCIe 4.0) | 3 (2x PCIe 4.0) | 3 (2x PCIe 4.0) | 2 (1x PCIe 4.0 + heatsink) | 3 (All PCIe 4.0 + heatsinks) |
| SATA Ports | 4 | 4 | 4 | 4 | 6 |
| Networking | Realtek 1Gb LAN | Realtek 1Gb LAN | Intel WiFi 6 + 1Gb LAN | Killer 1Gb LAN | Intel 2.5Gb LAN |
| USB Ports | 1x USB 3.2 Gen2 4x USB 3.2 Gen1 |
1x USB 3.2 Gen2 6x USB 3.2 Gen1 |
1x USB 3.2 Gen2 6x USB 3.2 Gen1 |
1x USB 3.2 Gen2x2 4x USB 3.2 Gen1 |
2x USB 3.2 Gen2 8x USB 3.2 Gen1 |
| Audio | Realtek ALC897 | Realtek ALC897 | Realtek ALC897 | Realtek ALC1200 | Realtek ALC1220 |
| Cooling | Basic VRM heatsink | VRM heatsink + M.2 heatsink | VRM heatsink + M.2 heatsink | Enhanced VRM cooling | Dual VRM heatsinks |
| Special Features | – | – | WiFi 6 | ARGB headers Gaming LAN optimization |
TPM header vPro support |
| Target Users | Budget builds | Mainstream ATX | Wireless ATX | mATX gaming | Business/Workstation |
| Price Range | $120-$140 | $150-$180 | $170-$200 | $160-$190 | $220-$250 |
1. PRIME B660M-A (Real Model)
The Essential Micro-ATX Board
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Form Factor: Compact mATX (24.4 x 24.4 cm)
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Power Delivery: 8+1 phase VRM (50A DrMOS)
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Memory Support: DDR4-5333 (OC), up to 128GB
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Storage Options:
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2x M.2 slots (1x PCIe 4.0 + 1x PCIe 3.0)
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4x SATA 6Gbps ports
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Expansion Slots:
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1x PCIe 5.0 x16 (for graphics cards)
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1x PCIe 3.0 x1 (for expansion cards)
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Networking: Realtek 1Gb Ethernet
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Audio: Realtek ALC897 codec
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Best For: Budget builds and office PCs needing basic functionality in a compact form factor
2. PRIME B660-PLUS (Real Model)
The Mainstream ATX Solution
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Form Factor: Standard ATX (30.5 x 24.4 cm)
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Power Delivery: 10+1 phase VRM (55A DrMOS)
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Memory Support: DDR5-6000 (OC), up to 128GB
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Storage Options:
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3x M.2 slots (2x PCIe 4.0)
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4x SATA 6Gbps ports
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Expansion Slots:
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1x PCIe 5.0 x16
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2x PCIe 3.0 x1
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Networking: Realtek 1Gb Ethernet
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Audio: Realtek ALC897 codec
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Best For: Users wanting ATX expandability with DDR5 support
3. PRIME B660-PLUS WiFi (Real Model)
The Wireless-Enabled ATX Board
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All features of B660-PLUS plus:
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Intel WiFi 6 (802.11ax)
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Bluetooth 5.2
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Pre-mounted I/O shield
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Best For: Users needing wireless connectivity without sacrificing ATX features
4. PRIME B660M-A Gaming (Hypothetical)
The Compact Gaming Variant
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Based on B660M-A with gaming enhancements:
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8+1+1 phase VRM (55A)
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2x ARGB headers
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Reinforced PCIe slot
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DTS:X Ultra audio tuning
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Additional M.2 heatsink
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Killer Ethernet (for gaming traffic prioritization)
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Best For: Gamers wanting mATX builds with some premium features
5. PRIME B660-PLUS Pro (Hypothetical)
The Business-Class Performer
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Enhanced features over B660-PLUS:
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12+1 phase VRM (60A)
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Intel 2.5Gb Ethernet
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TPM 2.0 header (for security)
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ECC memory support
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5-year warranty
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Additional USB ports
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Best For: Business workstations and professional environments
