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Question about 2400Mhz and 2133Mhz - Page 2

post #11 of 12
Quote:
Originally Posted by NirHahs View Post

any reason to run with 1600mhz and 1.5v?
Quote:
Originally Posted by larymoencurly View Post

It will probably work because reviews at Ocaholic.ch showed them made from the same chips:

2400 MHz 8GB 1.65V Corsair Vengeance Pro: Samsung 1600 MHz 1.35V K4B4G0846B K0 512M x 8 chips

2133 MHz 4GB 1.50V Corsair Vengeance Pro: Samsung 1600 MHz 1.35V K4B4G0846B K0 512M x 8 chips

IOW if you run those modules at 1600 MHz and 1.5V, they should be 100% reliable.

Quote:
Originally Posted by NirHahs View Post

any reason to run with 1600mhz and 1.5v?
Because 1600 MHz is the guaranteed maximum speed of the chips on those modules. OTOH you can use 1.65V, but it's unnecessary at 1600 MHz.

Chip makers are much more strict than the vast majority of module makers. Chip makers test with machines costing millions of US $ (I once saw a used one on Ebay for $500K), at temperatures of 85C or 95C, while module makers usually test with nothing but PCs, maybe supplemented with Ultra RST cards or heat chambers that get up to 58C.

Samsung speed ratings:

H9 1333Mbps@CL9 9-9-9
K0 1600Mbps@CL11 11-11-11 <- printed on those Corsair Vengeance chips
MA 1866Mbps@CL13 13-13-13


Hynix speed ratings:

H9: DDR3-1333 9-9-9
PB: DDR3-1600 11-11-11
RD: DDR3-1866 13-13-13
TE: DDR3-2133 14-14-14


Micron speed ratings:

-15E: 1333 MHz 9-9-9
-125: 1600 MHz 11-11-11
-125E: 1600 MHz 10-10-10
-107: 1866 MHz 13-13-13
-093: 2133 MHz 14-14-14
Edited by larymoencurly - 4/20/14 at 6:11pm
post #12 of 12
Quote:
Originally Posted by NirHahs View Post


any reason to run with 1600mhz and 1.5v?

 

Just get the DDR3-2133 kit. It's a difference of $2.

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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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