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MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard

This product can only be exchanged or replaced with the exact same item.
MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 1
Actual product may not be exactly as shown.
MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 69232_l.jpg MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 69232_1.jpg MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 69232_2.jpg MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 69232_3.jpg MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard - 69232_4.jpg Customer Photos (0)
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SKU: 69232
Shipping Weight: 2.8lbs

Part #: Z77A-GD55

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Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Maximum Memory 32 GB
Limited Warranty 3 Year
Form Factor ATX
Processor Supported Core i5 Core i7 Core i3 Pentium Dual-core Celeron Dual-Core
RAID Levels 0 1 5 1+0
Total Processor Supported 1
Controller Type Serial ATA/600 Serial ATA/300
Processor Socket Socket H2 LGA-1155
Memory Technology DDR3 SDRAM
Country of Origin China
Width 12"
Depth 9.6"
Green Compliant Yes
Green Compliance Certificate/Authority RoHS WEEE
Chipset Manufacturer Intel
Chipset Model Z77 Express
Number of Memory Slots 4
Multi GPU Supported SLI CrossFireX
Audio Channels 7.1
Gigabit Ethernet Yes
Number of SATA Interfaces 6
Number of PCI Express x1 Slots 4
Onboard Video CPU Dependent Video
RAID Supported Yes
Number of Total Expansion Slots 7
Number of PCI Express x16 Slots 3
Total Number of USB Ports 6
Number of USB 3.0 Ports 2
Total Number of Onboard USB Ports 4
Number of Onboard USB 3.0 Ports 1
Onboard S/PDIF Header Yes
Total Number of PCI Express Slots 7
Memory Form Factor DIMM
Memory Speed Supported 2.40 GHz (O.C.) 2.13 GHz (O.C.) 1.87 GHz (O.C.) 1.60 GHz 1.33 GHz 1.07 GHz

Specifications [ Edit | History ]

     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC892
     Buttons & Keys: Reset
OC Genie
CMOS Clear
General Information  
     Brand Name: MSI
     Manufacturer: MSI
     Manufacturer Part Number: Z77A-GD55
     Manufacturer Website Address:
     Product Model: Z77A-GD55
     Product Name: Z77A-GD55 Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/600
Serial ATA/300
     RAID Levels: 0
     RAID Supported: Yes
I/O Expansions  
     Number of PCI Express x1 Slots: 4
     Number of PCI Express x16 Slots: 3
     Number of Total Expansion Slots: 7
     PCI Express Standard: PCI Express 3.0
PCI Express 2.0
     Total Number of PCI Express Slots: 7
     Audio Line In: Yes
     Audio Line Out: Yes
     DVI: Yes
     HDMI: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of DVI Outputs: 1
     Number of HDMI Outputs: 1
     Number of Network (RJ-45) Ports: 1
     Number of PS/2 Ports: 1
     Number of S/PDIF Out Ports: 2
     Number of USB 2.0 Ports: 4
     Number of USB 3.0 Ports: 2
     PS/2 Port: Yes
     S/PDIF: Yes
     Total Number of USB Ports: 6
     VGA: Yes
     Maximum Memory: 32 GB
     Memory Form Factor: DIMM
     Memory Speed Supported: 2.40 GHz (O.C.)
2.13 GHz (O.C.)
1.87 GHz (O.C.)
1.60 GHz
1.33 GHz
1.07 GHz
     Memory Standard: DDR3-2400/PC3-19200 (O.C.)
DDR3-2133/PC3-17000 (O.C.)
DDR3-1866/PC3-15000 (O.C.)
     Memory Technology: DDR3 SDRAM
     Number of Memory Slots: 4
     Certifications & Standards:
  • FCC
  • CE
  • ErP Ready

     Country of Origin: China
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of Onboard USB 2.0 Ports: 3
     Number of Onboard USB 3.0 Ports: 1
     Number of SATA Interfaces: 6
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Total Number of Onboard USB Ports: 4
Physical Characteristics  
     Depth: 9.6" (245 mm)
     Form Factor: ATX
     Width: 12" (305 mm)
Power Description  
     Power Supply Supported: EPS12V
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: Intel
     Chipset Model: Z77 Express
     Multi GPU Supported: SLI
     Processor Socket: Socket H2 LGA-1155
     Processor Supported: Core i5
Core i7
Core i3
Pentium Dual-core
Celeron Dual-Core
     Total Processor Supported: 1
     Onboard Video: CPU Dependent Video
     Limited Warranty: 3 Year

Customer Reviews of MSI Z77A-GD55

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 MSI Z77A-GD55 reviews.
Experience: 1 Days


-UEFI Bios Interface looks and functions awesome.
-Great color combination
-Blue LEDS give nice accent lighting
-Tons of functions and features
-Super fast post and boot
-Ram slots are close to the CPU. I installed a NH-U12P and had to adjust the fans because they rest right on top of the ram modules. I had to offset the fans a 1/4".

Overall this motherboard looks and performs as stated. I was always a ASUS guy since years ago a MSI board wiped out my entire computer. RAM, CPU and Motherboard all fried. They left a bad taste in my mouth.

The build quality is top notch, and this board packs a punch loaded with features and easily customizable. Glad i gave MSI another shot this board is awesome i paired it with a i5 3570K

Not a real complaint just wish they would have not included a VGA port and instead gave more USB ports. Does anyone even use VGA anymore?

Experience: 3 Months


features/price,looks,quality! Great mid range board
oc genie is finicky
Made the mistake updating bios with oc genie enabled,now it is acting weird!Other than that stupid mistake,solid board for the price!

Experience: 3 Weeks


- Looks very nice (blue and black theme).
- OC Genie II (works great for me).
- Overall a great motherboard for gaming.
- No CMOS jumper (ready summary).
What can I say? It's a great motherboard.

I've noticed a number of people having trouble with OC Genie II. Immediately after I put together my rig, I tried it out and everything ran perfectly fine. My i5 2500K got tuned to a nice 4.2GHz and remained stable during a couple of stress tests.

Also, I'm not sure why people complain about only having 2 SATA 6GB/s ports. I mean, didn't anyone read the specifications? Why complain about a detail you were fully aware of before purchasing? It would only be a con of neither worked...

Another small thing I like about this motherboard is the USB 3.0 header. It's positioned flat, as in, if you plug in your USB 3.0 cable/adapter, it's not sticking OUT of the motherboard, but rather sideways, off the edge of the board, which in my case makes for great cable management.

The one thing I'd have to mention is that there's no CMOS jumper included (unless I somehow lost it during the unboxing). I once tried some manual CPU overclocking and the system crashed on me. I couldn't get into the BIOS whatsoever. It would freeze on the flash screen (so hitting delete  to get into BIOS wouldn't do anything). I had to borrow another motherboard's jumper to reset the whole thing. Luckily I had a spare one, otherwise I'd be sitting with a bricked motherboard.

Experience: 7 Days


Well-built, quality components
Excellent UEFI bios
Easy to use for overclocking newbies with OCGenieII
Only 2 SATA III ports
The gun barrel style heatsink is dumb
Very well-built and designed motherboard which includes some excellent software and a very easy to navigate bios. Got it for a nice price after PM, so I'm fairly happy.

Experience: 2 Days


- Plenty and almost too much bios settings to customize!
- Most high-tech bios I ever seen!
- Extremly huge VRM heatsinks, this thing won't overheat for sure!
- Really nice look and good mobo layout.
- Quite a bit expensive so really not worth it if you ain't gonna overclock.
- "OC Genie" doesn't work so far, I'll have to find out why soon.
- It's a plus to have many settings in the bios but it seems to be 2-3x harder to understand and customize than my (MSI P67A) :/
It just sucks that the sale price dropped from 145$ to 135$ like one day after I made this order but anyway it was for a friend. It's exactly the new version of my really awesome (MSI P67A) motherboard so I knew I couldn't go wrong with it. There's just so many more features that I was bit lost when I first configurated it but better have more things to choose from than less. Other than the OC Genie not working, I'm happy with the board.

Experience: 42 Days


- Stylish
- Great performance
- Got almost everything you need for a gaming rig
- The heatsink on the top of the motherboard is a little too big, it block my Corsair H100 watercooling, with the Corsair 300R carbide windowed edition.
- Only 2x SATA3
In overall, this motherboard is very nice for a gaming value build : very cheap price for everything you need for performance. Build with a i7 3770k processor, MSI Radeon HD 7770 power edition, Corsair GS800 powersupply. Everything works well.

Experience: 1 Months


- Very solid board
- Handy bios
- Manufacturer updates
- OC interface was well designed
- Epic boot times! (with an ssd)
- Good warranty
- Runs really cool (32C under full load, with proc. u 4.3 ghz)
- Nothing to extreme
I bought this board and the 3570k as an upgrade from a p4 i 3.2 and a 5 year intel board.. All i have to say is just WOW! Managed to OC the processor, memory, and video card with such ease, my 9 year old brother would have been capable of doing it lol! The board has a professional feel and look, while sustaining a solid construction. Overall very happy with this board, will buy again!


- MSI Z77A-GD55
- Intel 3570k i 4.3 ghz
- Corsair Vengeance 8gb i 1866 mhz (each stick)
- GTX 550 ti SC i 985 mhz
- WD caviar black sata III
- Corsiar 750 watt psu [80+ silver]
- Gemin II s524 Heatsink
- Antec 900 black mid-tower case

Experience: 2 Months


OCGenie is great for a quick OC.
No problems in past 2 months.
Love the touch bios.
only 2 intel based sata connectors
Ran into no problems in the past 2 months. It's doing it's job rather nicely. expected nothing more.

Experience: 13 Days


Great board
Cheap price
Easy to use
Nice OC GenieIII
Loads of features
Sexy splash screen and BIOS
no wifi
sound adapter is weird and doesn't work too well
For people for only have one GPU, and a very mid range set-up this is fine. The motherboard doesn't have a PCI slot which was depressing to see, but it works and I have no big complaints with this board yet. It comes with a nice military class III certificate that you can hang up on a wall or something. Overall it's not bad.

Experience: 3 Weeks


- UEFI Bios Interface is very easy to work with & looks great
- everything worked perfectly fine out of the box
- aethetically pleasing.. just love those those military blue accents
- the whole board looks clean - no useless slot connectors, heatsinks are not too big
- very cheap for a military class board
- capable of gen3 pcie sli/crossfire
- overclocks well; oc genie takes the 3770k to 4.2 which is good enough for a daily hard work
- WHEN IT BOOTS, YOU'RE ONLY GOING TO SEE THE MSI LOGO & then TO WINDOWS.. no other texts postings of some sort.. so quick!
none that I can think of
I built my buddy a gaming rig, & I was literally speechless of how awesome this mobo is. I never had any problems with it or its bios, or any of its included softwares & utilities - everything just work flawlessly.

This is how crazy it is, I bought a Gigabyte G1.Sniper 2 which cost me around $360 (yah that expensive). This board is only around $150 and yet in my testing this board beats the Sniper 2 in every way. Just think, this board is not even the highest of the GD series from MSI.

I paired it with OCZ Agility 4, and when the system boots up to windows it takes about 10 secs.. yah crazy fast. Part of the reason why it boots so quickly is bcuz this board only posts its logo and then directly to windows, no other text or any of that junk.

This is my first time using an MSI board and I have no disappointments at all, none what so ever.

The MSI Z77A-GD55 is definitely a mobo that I recommend for a budget gamer & overclocker. Love this mobo!

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Messages about MSI Z77A-GD55 ATX LGA1155 Z77 DDR3 3PCI-E16 4PCI-E1 SATA3 DVI HDMI VGA DX11 USB3.0 Motherboard

3570k not stepping down when idle (Coach_Z- Mar 27, 13, 5 Replies)
Updated Bios Question (David_G- Sep 06, 12, 0 Replies)
DDR3 kit for MSI Z77A-GD55 & i5 3570K (Heineken469- May 26, 12, 1 Replies)
stock (C0RR4D0- Apr 30, 12, 0 Replies)

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Posted by: TheBigTroll @11/21/12
Submit a review link   |   Latest 30 reviews

Product Warranty

First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.
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