How come my 1600mhz memory is running at 1333mhz

i have a amd fx 8120 overclock to 4.2ghz just on multiplier raise the cpu voltage in Bios to 1.36 n raise LLC to extreme but my question is how come my memory runs at 1333mhz when it is 1600mhz here are my specs


Gigabyte 990FXA-UD3 AMD 990FX AM3+ Motherboard, AMD FX-8120 X8 3100MHZ 16MB 125W AM3+, Sony Optiarc 24X DVDRW SATA OEM, WD Caviar Blue 1TB SATA HD 7200/32MB/SATA-6G, Corsair Vengeance LP 8GB PC12800 DDR3 1600MHz 2x4, Thermaltake Overseer RX-I Full Tower Gaming Case, EVGA GeForce GTX 550 Ti 1GB GDDR5 PCIe 2.0, Noctua NH-D14 CPU Cooler for i5, i7, 775 and AMD, COOLMAX ZP-750B APFC/V2.3/EPS12V/V2.92 80+ BRONZE
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More about 1600mhz memory running 1333mhz
  1. Default for most motherboard is set to 1300 you need to go in and set it manually.
  2. Just note that you probably won't see any real life performance improvement between 1333Mhz and 1600Mhz, but yes it's probably a BIOS settings like thequn mentioned.
  3. MC_K7 said:
    Just note that you probably won't see any real life performance improvement between 1333Mhz and 1600Mhz, but yes it's probably a BIOS settings like thequn mentioned.



    thanks well i been to Bios n try to change it n when i run prime95 blend test one of my cores stops n i get an error on prime95 the timing are 9-9-9-24 at 1.50v
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