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DDR3 1866J?

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Hello,
Im wondering what on DDR3-1866J "J" stands for?
The kit in question is HyperX Fury, but I was unable to find any datasheet of it...
Part numbert KHX1866C10D3/8GB

Also im planning to overclock it.
Currently running at stock 10-11-10-30-2T 1866
Motherboard Asus Maximus Hero VII,
Thank you!
 

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JEDEC memory standards
 
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lol then i skimped on wiki :|
Soo when OC'ing the ram, the higher the speed goes , i have to relax timings, for instance, mine is 10-11-10-30-2T, i have to go up by +1? and the last one 30 is sum of first 3?
What voltage would you recommend?
 
Joined
Oct 26, 2016
Messages
1,773 (0.61/day)
Location
BGD
System Name Minotaur
Processor Intel I9 7940X
Motherboard Asus Strix Rog Gaming E X299
Cooling BeQuiet/ double-Fan
Memory 192Gb of RAM DDR4 2400Mhz
Video Card(s) 1)RX 6900XT BIOSTAR 16Gb***2)MATROX M9120LP
Storage 2 x ssd-Kingston 240Gb A400 in RAID 0+ HDD 500Gb +Samsung 128gbSSD +SSD Kinston 480Gb
Display(s) BenQ 28"EL2870U(4K-HDR) / Acer 24"(1080P) / Eizo 2336W(1080p) / 2x Eizo 19"(1280x1024)
Case NZXT H5 Flow
Audio Device(s) Realtek/Creative T20 Speakers
Power Supply F S P Hyper S 700W
Mouse Asus TUF-GAMING M3
Keyboard Func FUNC-KB-460/Mechanical Keyboard
VR HMD Oculus Rift DK2
Software Win 11
Benchmark Scores Fire Strike=23905,Cinebench R15=3167,Cinebench R20=7490.Passmark=30689,Geekbench4=32885
lol then i skimped on wiki :|
Soo when OC'ing the ram, the higher the speed goes , i have to relax timings, for instance, mine is 10-11-10-30-2T, i have to go up by +1? and the last one 30 is sum of first 3?
What voltage would you recommend?
Well if the memory can handle lower/tighten timings that is better.....if cant´then you should find the best compromise....sometimes good tighten timings memory on lower speed works faster then memory with higher speed but with "bad" timings.......
Here some example

memorytimings.png
 
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Regeneration

NGOHQ.COM
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Your RAM has high tRFC (200+), those sticks perform bad in low clocks and intended for 2000 MHz or above.

You should try to push it to 2133 or even higher with timings 9-11-11 / 11-11-11 / 10-12-12 with extra voltage. Its better to stick to command rate 1T if possible.

Test stability with MemTest64 or HCI MemTest.
 
Joined
Feb 19, 2018
Messages
70 (0.03/day)
Location
Croatia
System Name Level 3 mage
Processor Xeon e3-1225v3
Motherboard Asus Maximus Hero VII
Cooling Huh Stock intel Cooler
Memory HyperX Fury 1866 2x8GB
Video Card(s) R9 280 w/ R7 250
Storage 1TB Toshiba P300, PM981 OEM HP M.2, SA400 Kingston 480GB
Display(s) Some random Acer, Asus VW228N
Case Ehh steel?
Audio Device(s) Logitech S200
Power Supply VS550
Mouse Speedlink LEDOS
Keyboard Genius
Software Windows 10?
Benchmark Scores 1050Ti superposition unofficial world record https://ibb.co/fkQhhc
Okay, will get baseline first with AIDA, then proceed with oc.

Soo,
1.650V
stock timings but OC on 2200MHz with BCLK
Tried 2400/2666 but no avail, motherboard seems to be stuck in ifinite boot loop after that, I have to press mem ok or Clear cmos to get back into bios.

As far as I know, usual when I oc on this mobo, when it gets to boot loop I get it as bad oc.

Any other suggestions for bios settings?

Soo when testing Battlefield 5, I've got like 10fps improvment? wow... (Had to drive back BCLK to 102.0 again)
 

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