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Home / ASRock  / Motherboard / 990FX Extreme4

RamCity guarantees 100% that all upgrades below are compatible with the ASRock Motherboard 990FX Extreme4

 
ASRock Motherboard 990FX Extreme4 Kingston 8GB image Kingston ValueRam 8GB 240-pin DIMM
Part #: KVR1333D3N9/8G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $NaN
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 8GB image Kingston HyperX 8GB 240-pin DIMM Kit (2x 4GB)
Part #: KHX1600C9D3K2/8G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $115.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 8GB image RamCity 8GB 240-pin DIMM Kit (2x 4GB)
Part #: 2xCGH • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 16-chip 256Mx8 • more info 
Price: $91.99
  
13 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 8GB image Kingston ValueRam 8GB 240-pin DIMM Kit (2x 4GB)
Part #: KVR1333D3N9K2/8G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $97.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 8GB image RamCity 8GB 240-pin DIMM Kit (2x 4GB)
Part #: 2xCKT • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $91.99
  
17 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 8GB image Kingston ValueRam 8GB 240-pin DIMM Kit (2x 4GB)
Part #: KVR1066D3N7K2/8G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $97.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston HyperX 4GB 240-pin DIMM
Part #: KHX1600C9D3/4G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $74.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston HyperX 4GB 240-pin DIMM Kit (2x 2GB)
Part #: KHX1600C9AD3K2/4G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $83.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston HyperX 4GB 240-pin DIMM Kit (2x 2GB)
Part #: KHX1600C8D3K2/4GX • DDR3-1600 / PC3-12800 • CL8 • 1.65V • more info 
Price: $83.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston HyperX 4GB 240-pin DIMM Kit (2x 2GB)
Part #: KHX1333C7D3K2/4GX • DDR3-1333 / PC3-10600 • CL7 • 1.65V • more info 
Price: $76.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 4GB image RamCity 4GB 240-pin DIMM Kit (2x 2GB)
Part #: 2xCJI • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 16-chip 128Mx8 • more info 
Price: $67.99
  
3 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston ValueRam 4GB 240-pin DIMM Kit (2x 2GB)
Part #: KVR1333D3N9K2/4G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $75.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 4GB image RamCity 4GB 240-pin DIMM
Part #: CGH • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 16-chip 256Mx8 • more info 
Price: $64.99
  
26 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston ValueRam 4GB 240-pin DIMM
Part #: KVR1333D3N9/4G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $69.99
  
6 in Stock
 
ASRock Motherboard 990FX Extreme4 RamCity 4GB image RamCity 4GB 240-pin DIMM Kit (2x 2GB)
Part #: 2xCHG • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 128Mx8 • more info 
Price: $75.99
  
2 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston ValueRam 4GB 240-pin DIMM Kit (2x 2GB)
Part #: KVR1066D3N7K2/4G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $79.99
  
2 in Stock
 
ASRock Motherboard 990FX Extreme4 RamCity 4GB image RamCity 4GB 240-pin DIMM
Part #: CKT • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 256Mx8 • more info 
Price: $64.99
  
35 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 4GB image Kingston ValueRam 4GB 240-pin DIMM
Part #: KVR1066D3N7/4G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $69.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston HyperX 2GB 240-pin DIMM Kit (2x 1GB)
Part #: KHX1600C9AD3K2/2G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $72.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston HyperX 2GB 240-pin DIMM
Part #: KHX1600C9AD3/2G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $64.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 2GB image RamCity 2GB 240-pin DIMM Kit (2x 1GB)
Part #: 2xCJP • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 8-chip 128Mx8 • more info 
Price: $61.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM Kit (2x 1GB)
Part #: KVR1333D3N9K2/2G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $66.99
  
14 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM
Part #: KVR1333D3S8N9/2G • DDR3-1333 / PC3-10600 • CL9 • Single Rank • 1.5V • more info 
Price: $64.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 2GB image RamCity 2GB 240-pin DIMM
Part #: CJI • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 16-chip 128Mx8 • more info 
Price: $50.99
  
7 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM
Part #: KVR1333D3N9/2G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $57.99
  
2 in Stock
 
ASRock Motherboard 990FX Extreme4 RamCity 2GB image RamCity 2GB 240-pin DIMM Kit (2x 1GB)
Part #: 2xCBH • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 64Mx8 • more info 
Price: $84.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM Kit (2x 1GB)
Part #: KVR1066D3N7K2/2G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $68.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM
Part #: KVR1066D3S8N7/2G • DDR3-1066 / PC3-8500 • CL7 • Single Rank • 1.5V • more info 
Price: $64.99
  
2 in Stock
 
ASRock Motherboard 990FX Extreme4 RamCity 2GB image RamCity 2GB 240-pin DIMM
Part #: CHG • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 128Mx8 • more info 
Price: $46.99
  
4 in Stock
 
ASRock Motherboard 990FX Extreme4 Kingston 2GB image Kingston ValueRam 2GB 240-pin DIMM
Part #: KVR1066D3N7/2G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $60.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 1GB image Kingston HyperX 1GB 240-pin DIMM
Part #: KHX1600C9AD3/1G • DDR3-1600 / PC3-12800 • CL9 • 1.65V • more info 
Price: $60.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 1GB image RamCity 1GB 240-pin DIMM
Part #: CJP • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 8-chip 128Mx8 • more info 
Price: $53.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 1GB image Kingston ValueRam 1GB 240-pin DIMM
Part #: KVR1333D3N9/1G • DDR3-1333 / PC3-10600 • CL9 • 1.5V • more info 
Price: $44.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 RamCity 1GB image RamCity 1GB 240-pin DIMM
Part #: CBH • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 64Mx8 • more info 
Price: $59.99
  
Back Order 5 Days
 
ASRock Motherboard 990FX Extreme4 Kingston 1GB image Kingston ValueRam 1GB 240-pin DIMM
Part #: KVR1066D3N7/1G • DDR3-1066 / PC3-8500 • CL7 • 1.5V • more info 
Price: $45.99
  
Back Order 5 Days
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Q: Is RamCity brand memory still good quality?
Absolutely! Even though often less expensive, RamCity brand memory is produced to very high specifications, and extensively tested for precise compatibility. Read more.
Q: There are many different memory options for my system - which is the best?
Generally speaking, the larger the upgrade, the greater the potential system performance increase. So, a 2GB upgrade is better than a 1GB upgrade, which is better than a 512MB upgrade. Some systems also handle different memory speeds, such as DDR-333 and DDR-400, or DDR2-533 and DDR2-667. In most cases the modules with the higher number will provide better performance. Check the system specifications comments up on the top right hand side of this page, and read more about the different memory speeds and what they mean.
Q: What do the different memory speeds mean?
Read our FAQ page about the different memory speeds and what they mean.
Q: How much is delivery and how long will it take?
See our Shipping Information Page for details.
Q: Will my system recognise the maximum RAM upgrade?
The maximum memory your OS will recognise (whether it be Windows, Mac OS, or Linux/Unix) depends on the version you are running. 32-bit operating systems (which most people use) will usually see (and utilise) somewhere between 3GB to 3.5GB, depending on the peripheral configuration and motherboard limitations. A 64-bit OS will recognise beyond 4GB. Read more.
Q: How much memory can my system handle?
The maximum memory capacity for your system is shown above on the right hand side of the page. In the future, software applications will make increasing demands on your system resources, particularly the amount of system memory they need to use. Adding the maximum amount of memory will improve the performance of your system now and extend the useful life of your computer in the future.
Q: Do I have to install memory in matching pairs?
In most cases the answer is no, you can install modules one at a time, and you can mix different module sizes in your computer. However, if your computer supports dual-channel memory mode, you should install in identical pairs for optimal performance. Check the comments above on the right hand side for more details.
Q: How do I install the memory upgrade?
Installing memory in your system is usually a simple process. We have static and video installation guides available.
Q: Will installing an upgrade from RamCity affect my warranty?
You can rest assured that adding third party memory to your system does NOT void your warranty. You should take precautions when opening the case of your computer though, so we recommend to always refer to your owners manual or follow one of our online installation guides when installing a memory upgrade. Read more.
Need some help finding the right upgrade?
Let one of our upgrade experts help you.


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Buy with Confidence.
We guarantee your memory upgrade will be 100% compatible, or return it within 1 Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Comments:
Modules must be ordered and installed in pairs for Dual Channel Mode, which can provide a small performance increase over single channel configurations.

Kingston offers "K2" Kit part numbers for Dual Channel mode.

If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).

A 64-bit Operating System is required to utilize more than 4GB of memory

Standard Memory:
0 GB (Removable)

Maximum Memory:
32 GB

Expansion:
4 Sockets

CPU/Chipset:
AMD Phenom II (AM3+) AMD 990FX
AMD Athlon II X2 Dual-Core (AM3) AMD 990FX

Upgrade Path:
Virtually any configuration up to 32GB can be reached using any combination of 2, 4 and 8GB modules or kits.
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