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ASUS TUF Gaming B450M-PRO II micro-ATX motherboard with Ryzen 7 5700G CPU installed

ASUS

ASUS TUF Gaming B450M-PRO II & Ryzen 7 5700G AMD motherboard CPU combo

SKU CH-M78A-BGFRY

Micro-ATX board with 4 DDR4 slots up to 128 GB, dual M.2, 1 Gbps LAN and RGB lighting paired with an 8-core 3.8 GHz 65 W Ryzen 7 5700G with Radeon graphics

  • CPU TypeRyzen 5000G Series
  • ChipsetAMD B450
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 4400(O.C.)/ 3533(O.C.)/ 3466(O.C.)/ 3200(O.C.)/ 3000(O.
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • 8-core Zen 3 CPU delivers strong multitasking at 3.8 GHz base clock
  • 65 W TDP keeps thermals manageable in compact builds
  • 128 GB DDR4 capacity across four slots supports heavy workloads
  • Dual M.2 sockets at 3.0 x4 and 2.0 x4 modes enable fast storage expansion
  • Military-grade TUF components and Realtek ALC S1200A audio ensure durability and clear sound

Ready-to-build AM4 platform

This bundle pairs a Micro ATX board with an eight-core Ryzen 7 5700G processor. The CPU runs at 3.8 GHz base clock with a 65 W TDP and includes integrated Radeon graphics. It suits builders who want a working system without a discrete card.

DDR4 ceiling and lane allocation

Memory tops out at 4400 MHz when overclocked across four 288-pin slots for 128 GB total. The primary expansion slot is PCIe 3.0 x16 wired at x16 for third-generation Ryzen and x8 for earlier chips. A second x16 slot is limited to x4 via PCIe 2.0, and one PCIe 2.0 x1 slot is available.

Military-grade parts and connector layout

TUF-branded components promise durability under sustained load. Storage includes two CPU-attached SATA 6Gbps ports, four chipset SATA 6Gbps ports and one M.2 socket accepting 2242, 2260 or 2280 drives in SATA or PCIe 3.0 x4 mode. Audio uses Realtek ALC S1200A with DTS Custom tuning, while networking relies on Realtek RTL8111H at 1 Gbps.

Highlights

  • 8-core Zen 3 CPU delivers strong multitasking at 3.8 GHz base clock
  • 65 W TDP keeps thermals manageable in compact builds
  • 128 GB DDR4 capacity across four slots supports heavy workloads
  • Dual M.2 sockets at 3.0 x4 and 2.0 x4 modes enable fast storage expansion
  • Military-grade TUF components and Realtek ALC S1200A audio ensure durability and clear sound

Specifications

BrandASUS
SeriesTUF
CPU TypeRyzen 5000G Series
ChipsetAMD B450
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 4400(O.C.)/ 3533(O.C.)/ 3466(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 MHz Un-buffered Memory
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
* The maximum memory frequency supported varies by processor.
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 3.0 x163rd/2nd/1st Gen AMD Ryzen Processors
1 x PCIe 3.0/2.0 x16 (x16 mode)
2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics Processors
1 x PCIe 3.0/2.0 x16 (x8 mode)
AMD Athlon with Radeon Vega Graphics Processors
1 x PCIe 3.0/2.0 x16 (max at x4 mode)
PCI Express 2.0 x161 x PCIe 2.0 x16 (max at x4 mode)
PCI Express x11 x PCI Express 2.0 x1 slot
Serial ATA (SATA)3rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors:
2 x SATA 6Gb/s port(s)
AMD B450 chipset:
4 x SATA 6Gb/s port(s)
M.23rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics:
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode)*
AMD Athlon with Radeon Vega Graphics Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)**
AMD B450 chipset:
1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x2 mode)*2
* The M.2_1 Socket shares bandwidth with the SATA_5/6 ports, and therefore the SATA_5/6 ports cannot be used when an M.2 device is installed.
* The M.2
SATA RAID0/1/10
Audio ChipsetRealtek ALC S1200A High Definition Audio CODEC
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)

Questions about this item

Should I pick the 8-core 3.8 GHz Ryzen 7 5700G or a different CPU for this B450 board?

The combo includes the Ryzen 7 5700G with 8 cores at 3.8 GHz and 65 W TDP, so no separate CPU choice is needed.

What does the 3.8 GHz clock mean once the 5700G is installed in this board?

The 5700G runs at a 3.8 GHz base clock with 8 Zen 3 cores and integrated Radeon graphics, delivering desktop performance without a discrete GPU.

Which M.2 standard does the board use and what speed does it cap at?

The board provides one M.2 socket 3 with M key supporting 2242/2260/2280 drives in PCIe 3.0 x4 or SATA mode.

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