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ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard

This product can only be exchanged or replaced with the exact same item.
ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 1
Actual product may not be exactly as shown.
ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 75613_l.jpg ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 75613_1.jpg ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 75613_2.jpg ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 75613_3.jpg ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard - 75613_4.jpg Customer Photos (0)

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   Shipping Weight:   4.4 lbs
   Part #: Sabertooth 990FX R2.0
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Features    [ Edit | History ]

AMD® Socket AM3+ for AMD® FX Series CPU up to 8-core

This motherboard supports latest AMD® Socket AM3+ multi-core processors with up to 8-core native CPU cores and delivers better overclocking capabilities with less power consumption. It features AMD Turbo CORE Technology 2.0 and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus. This motherboard also supports AMD® CPUs in the new 32nm manufacturing process.

Quick Specs:
Maximum Memory 32 GB
Form Factor ATX
Processor Supported FX Athlon II Phenom II Sempron Athlon II X2 Athlon II X3 Athlon II X4 Athlon X2 Phenom II X2 Phenom II X3 Phenom II X4 Phenom II X6 Sempron X2
RAID Levels 0 1 5 1+0
Total Processor Supported 1
Controller Type Serial ATA/600
Processor Socket Socket AM3+
Memory Technology DDR3 SDRAM
Processor Technology Cool'n'Quiet Technology
Memory Standard DDR3-1866/PC3-15000 DDR3-1600/PC3-12800 DDR3-1333/PC3-10600 DDR3-1066/PC3-8500
Width 12"
Depth 9.6"
Green Compliant Yes
Green Compliance Certificate/Authority RoHS WEEE
64-bit Processing Yes
Chipset Manufacturer AMD
Chipset Model 990FX
Number of Memory Slots 4
Number of PCI Slots 1
Multi GPU Supported SLI CrossFireX
Audio Channels 7.1
Gigabit Ethernet Yes
Number of SATA Interfaces 8
Number of PCI Express x1 Slots 1
Onboard Video No
HyperTransport Speed 5.20 GT/s
RAID Supported Yes
Number of Total Expansion Slots 6
Number of PCI Express x16 Slots 4
Number of Network (RJ-45) Ports 1
Network (RJ-45) Yes
Total Number of USB Ports 12
Number of USB 3.0 Ports 4
PS/2 Port Yes
Number of PS/2 Ports 1
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4
Number of Onboard USB 3.0 Ports 2
Onboard S/PDIF Header Yes
PCI Express Standard PCI Express 2.0
Total Number of PCI Express Slots 5
Memory Form Factor UDIMM
Number of eSATA Ports 2

Specifications    [ Edit | History ]
     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC892
     Buttons & Keys: BIOS Flashback
General Information  
     Brand Name: Asus
     Manufacturer: ASUS Computer International
     Manufacturer Part Number: SABERTOOTH 990FX R2.0
     Manufacturer Website Address:
     Product Model: SABERTOOTH 990FX R2.0
     Product Name: SABERTOOTH 990FX R2.0 Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/600
     RAID Levels: 0
     RAID Supported: Yes
I/O Expansions  
     Number of PCI Express x1 Slots: 1
     Number of PCI Express x16 Slots: 4
     Number of PCI Slots: 1
     Number of Total Expansion Slots: 6
     PCI Express Standard: PCI Express 2.0
     Total Number of PCI Express Slots: 5
     Audio Line In: Yes
     Audio Line Out: Yes
     eSATA: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of eSATA Ports: 2
     Number of Network (RJ-45) Ports: 1
     Number of PS/2 Ports: 1
     Number of S/PDIF Out Ports: 1
     Number of USB 2.0 Ports: 8
     Number of USB 3.0 Ports: 4
     PS/2 Port: Yes
     S/PDIF: Yes
     Total Number of USB Ports: 12
     Maximum Memory: 32 GB
     Memory Form Factor: UDIMM
     Memory Standard: DDR3-1866/PC3-15000
     Memory Technology: DDR3 SDRAM
     Number of Memory Slots: 4
     Certifications & Standards:
  • ErP Ready
  • CE

     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of Onboard USB 2.0 Ports: 4
     Number of Onboard USB 3.0 Ports: 2
     Number of SATA Interfaces: 8
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Onboard Serial Header: Yes
     Total Number of Onboard USB Ports: 6
Physical Characteristics  
     Depth: 9.6" (243.8 mm)
     Form Factor: ATX
     Width: 12" (304.8 mm)
Power Description  
     Power Supply Supported: ATX12V
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: AMD
     Chipset Model: 990FX
     HyperTransport Speed: 5.20 GT/s
     Multi GPU Supported: SLI
     Processor Socket: Socket AM3+
     Processor Supported: FX
Athlon II
Phenom II
Athlon II X2
Athlon II X3
Athlon II X4
Athlon X2
Phenom II X2
Phenom II X3
Phenom II X4
Phenom II X6
Sempron X2
     Processor Technology: Cool'n'Quiet Technology
     Total Processor Supported: 1
     Onboard Video: No

ASUS Sabertooth 990FX R2.0 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding ASUS Sabertooth 990FX R2.0 reviews.
Experience: 1 Weeks
 Verified Owner
Nice motherboard
Easy overclock
Solid motherboard
No cons
Probably the best motherboard for amd fx.

Experience: 17 Months
-rock solid
-easy to overclock
-stable VRMs
-may not read XMP properly
Very solid pick for my overclocked FX-8350. Stable voltages, high bandwidths across the north bridge, I would buy it again for gaming/overclocking/high end user. My rig's built for gaming, no issues so far. The BIOS is very easy to go through, but mine had issues reading the XMP for my Crucial Ballistix Tactical 8 GB ram sticks (manual configuration works like a charm). Go for something cheaper if you're just a casual/office user.

Experience: 11 Months
- stable
- definite improvement over R1
- looks great
- They should be more specific about what testing is done to the board before shipping to catch the junkers.
I wanted a stable long-serving motherboard and tried the first version of this board but the USB implementation was absolute crap. It failed to recognize devices, did not come out of sleep correctly and all sorts of other issues. They fixed the bugs in this R2 board and because I liked everything else about the first one, I bought another. (I still use first board in a less demanding application where it has done fine) This R2 has been exemplary every since and I am a hardcore user (short of overclocking) with all graphic card slots filled (six monitors), all SATA slots used, 32GB of RAM and an 8 core FX-8350. I run EM simulations for days on end and so far, so good.

Experience: 1 Weeks
 Verified Owner
Good, slick and actually doesn't Bottle your parts.
Took me about 3 hours to get my 8350 working, but it was well worth the wait.
got this mobo, was very happy that i have purchased this. i can now get 2 graphics cards for my set up from Ncix and i would REALLY recommend this board to everyone else. fast and easy to control and install the upgrade BIOS settings!

Experience: 2 Months
 Verified Owner
Fast and stable.
None really.
The last time i upgraded was back in the Socket 939 days and i must say componentry and manufacture on high end motherboards like this one has taken a few steps up since then.

This is a nice board. i use it for server duty and it's been completely stable. Set and forget, what more can you ask for? i had to RMA one of the 2 i ordered because the onboard ethernet wasn't working right. Upon detailed testing of my LAN i must admit i found a couple of sub-par cables which affected the RMA'd sample of this motherboard quite a lot and the good one hardly any.

NCIX exchanged the problematic motherboard for me and the replacement is perfect.

Experience: 10 Months
1-Nice layout of components – except for one (see cons)
3-AI Suite – simple and user-friendly
4-All the other features
1 – You MUST buy a video card to use the motherboard – or have some other GPU solution – as there is no built-in video.
2- Depending on your tower case, the connector for the drives (SATA 6Gp/s) may be difficult to get to as they do not face upward but sideways.
Great motherboard! I bought this as a bundle deal (motherboard and FX8150). The bundle was for $320—a really good price. This was part of my first build, so naturally I was cautious. I didn’t want to spend a fortune on a computer, but I wanted something that I could use for gaming, video-editing, Photoshop, render, even record some music. This motherboard comes equipped with pretty-well everything you would want, but you need to get a video card for it as there is no built-in video. That may be a problem depending on your budget—should definitely have a GPU solution. Nevertheless, the motherboard is versatile and it even has the capability for upgrading to Thunderbolt, so that’s really cool. The design is great! They did a great job on the “tough” look and feel.

Experience: 2 Weeks
 Verified Owner
- ASUS Quality
- Easy to overclock
- Great look
- USB 3.0, SATA 6gb/s
- None
A great board for mid to high end build. High quality, great looking and easy to overclock.
Great price, got mine for only $174.69 (price match).

Experience: 1 Days
 Verified Owner
Things went together really well with my build and up things flew.
PM PM PM! This is the standard rev2 board and in my estimation it's worth the going price - but the Gen3 price.
If it goes dead, then I'll be back to add that.
I looked at other MBs but decided on this one as being totally suitable for my needs at a decent price - which at this time is not NCIX's, theirs being for the Gen3 (PCIX 3.0) or some other fantasy. The PM went super and I paid the overall going price.
When the box wasn't shrink wrapped, I got a bit wary, but had the extra insurance this time. I wanted a system with a lot of RAM in order to use virtual systems with Linux. The build just went super. 8350 plus 32 gigs of Crucial Ballistix.
This being my build in a while, and put together in a HAFX tower that's been sitting in a box for almost two years, with a Corsair HX 850 (I have a lot of drives to add) - I was wondering how things would work.
Everything simply booted with full 32 gigs of RAM showing and processor (8350) specs. I could load Linux live DVDs - but no luck with a hard drive. I was worried about secure boot, but no luck with resetting.
So I put in a second HD using same main power cable but different connector and new SATA cable. It was immediately recognized. At this point I could get into options to boot alternative OS. So I did.
I could not resist after so long fearing that secure boot would cause grief with my Linux (I have not used Windows at home since 2004). I put in my working AM2/3 HD using Mint13 and Mageia3. They loaded and flew! I had to redo sensors-detect to get GKrellm going properly, and reset Fire-starter (firewall) to use eth1 (new Ethernet hardware) but all just cruised. I'm typing on Mint13 now, SABnzb is downloading and constructing, ktorrent is chugging, GKrellm is reporting everything is normal.
Because everything works so well today, I feel silly about being worried to upgrade. For sure I'll be later telling about heavy duty tasks.

Experience: 1 Weeks
 Verified Owner
Looks great, tons of connectivity, excellent and easy to use UEFI bios. Great overclocker with robust power delivery.
Had to update  Bios to the newest due to black screen at post.
Not a huge issue, but someone who is not tech savvy may become frustrated and return the product.
A great product from ASUS, excellent features at a reasonable price.
Upgraded to the Sabertooth from a budget motherboard, it has been worth every cent.
With this board, I have been able to overclock to a respectable 5.0ghz rock solid. A nice increase from my other board and without the massive Vdroop.

If you are going to overclock the AMD Vishera-FX cpus, this is the board to get.

Experience: 3 Weeks
 Verified Owner
Tough components, quality build, quality name with asus and military grade components, great for overclocking
I got this motherboard to replace a board that had been fried during a power surge, so far I'm loving every minute of it. Better crossfire performance, great aesthetic, quality brand with asus. Very easy to work with, and great for overclocking. I would recommend this motherboard to anyone doing an AMD build.

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Messages about ASUS Sabertooth 990FX R2.0 ATX AM3 990FX/SB950 DDR3 3PCI-E16 1PCI-E1 1PCI SATA3 USB3.0 Motherboard

SABERTOOTH 990FX/GEN3 R2.0? (Tannah- Aug 28, 14, 0 Replies) Read this message
Mis-Titled Specs (Robert_T- May 04, 13, 2 Replies) Read this message
Asus Sabertooth VS Crosshair V FORMULA-Z (Doug_L- Oct 30, 12, 14 Replies) Read this message

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Posted by: werty316 @02/17/13
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You have extra protection when they happen to your ASUS notebook purchased in the US or Canada. ASUS will fix it or replace it for you at no charge during the first year after purchase in the event of damage from accidental spills, drops, electrical surges, or fire.

  • Warranty covering accidental drops, spills, power surges, and fire damage
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