ASUS M5A99X EVO R2.0 vs M5A99FX PRO R2.0 Motherboard Comparison

ASUS M5A99X EVO R2.0 and ASUS M5A99FX PRO R2.0 are both motherboards with the same Socket (AM3+), Form factor (ATX) and Supported Memory (DDR3-1066 / 1333 / 1600 / 1866 / 2133). The main differences are in Chipset, RAID Support, PCI-Express x16 Slots and PCI-Express x1 Slots.

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ASUS M5A99X EVO R2.0	ASUS M5A99FX PRO R2.0
Prices (Change region) Out of Stock Free shipping $149.99 - Buy now	Prices (Change region) Out of Stock Free shipping $178.00 - Buy now
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Pangoly Score (How do we rate?) 83	Pangoly Score (How do we rate?) 86
Brand ASUS	Brand ASUS
Model M5A99X EVO R2.0 M5A99X-EVO-R2	Model M5A99FX PRO R2.0 M5A99FX-PRO-R2
Release Date 📅 May 2012	Release Date 📅 December 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (100 reviews) Add a product review	User reviews ★★★★★ (465 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 ►
Pros Nvidia SLI and AMD CrossFire support Easy to overclock	Pros Overclocking features Supports NVIDIA Quad-GPU SLI Supports AMD Quad-GPU CrossFireX
Cons PCI-e slots limited to x8/x8 when running dual graphics cards	Cons -
Series -	Series
Socket AM3+	Socket AM3+
Form factor ATX	Form factor ATX
Chipset AMD 990X	Chipset AMD 990FX
Supported Memory DDR3 1066Mhz 1333Mhz 1600Mhz 1866Mhz 2133Mhz	Supported Memory DDR3 1066Mhz 1333Mhz 1600Mhz 1866Mhz 2133Mhz
* 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 No	ECC RAM Support No
Audio Chipset -	Audio Chipset Realtek ALC892
Audio Channels -	Audio Channels 8 Channels
LAN Chipset -	LAN Chipset Realtek 8111F
Max LAN Speed -	Max LAN Speed 10/100/1000Mbps
SLI Support Yes	SLI Support Yes
CrossFire Support Yes	CrossFire Support Yes
RAID Support Yes	RAID Support No
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 3	PCI-Express x16 Slots 4
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	PCI-Express x1 Slots 1
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 7
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 0	M.2 Ports 0
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 32 GB	Maximum Supported RAM 32 GB
Onboard USB 2.0 3	Onboard USB 2.0 3
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