Gigabyte B550M S2H vs B450M S2H Motherboard Comparison

Gigabyte B550M S2H and Gigabyte B450M S2H are both motherboards with the same Socket (AM4), Form factor (Micro ATX) and Audio Chipset (Realtek ALC887). The main differences are in Chipset, Supported Memory, ECC RAM Support and Audio Channels.

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Gigabyte B550M S2H	Gigabyte B450M S2H
Prices (Change region) Out of Stock Free shipping $148.43 - Buy now	Prices (Change region) In Stock Free shipping $108.64
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Brand Gigabyte	Brand Gigabyte
Model B550M S2H	Model B450M S2H
Release Date 📅 June 2020	Release Date 📅 January 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►	Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►
Socket AM4	Socket AM4
Form factor Micro ATX	Form factor Micro ATX
Chipset AMD B550	Chipset AMD B450
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3333Mhz 3600Mhz 4000Mhz 4400Mhz 4600Mhz 4866Mhz 5000Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2933Mhz 3466Mhz 3600Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support Yes * ECC memory support also depends on the CPU memory controller	ECC RAM Support No
Audio Chipset Realtek ALC887	Audio Chipset Realtek ALC887
Audio Channels 7.1 Channels	Audio Channels 2/4/5.1/7.1-channel
LAN Chipset -	LAN Chipset Realtek GbE LAN chip
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 10/100/1000Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x PS/2 keyboard/mouse port 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 4 x USB 3.2 Gen 1 ports 2 x USB 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks	Back I/O Ports -
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 1	PCI-Express x16 Slots 1
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	PCI-Express x1 Slots 2
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 1	M.2 Ports 1
M.2 Devices support 2242 / 2260 / 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key
RAM Slots 2	RAM Slots 2
Maximum Supported RAM 64 GB	Maximum Supported RAM 32 GB
Onboard USB 2.0 1	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0

Comparison and key differences summary

Reasons to buy the Gigabyte B550M S2H:

Newer Product, it was released around 17 months later
Supports the following RAM types: DDR4 4000MHz, 4400MHz, 4600MHz, 4866MHz, 5000MHz
+32 GB maximum RAM supported

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