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cas 15 with cas 16 alright?

Hey guys I got some of this stuff https://www.newegg.com/g-skill-16gb-288-pin-ddr4-sdram/p/N82E16820232306 but at a much better price on ebay the other day and I want to go to 32gb but I don't really wanna pay $162 for another set. I can get this CAS 16 stuff https://www.newegg.com/g-skill-16gb-288-pin-ddr4-sdram/p/N82E16820232194 a lot cheaper I am just curious if I should say screw it and buy the c15 stuff or save my money. 

The reason I want to go to 32gb of ram is for 3d modeling so I do have somewhat of an excuse.

As for the build:

 

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If the board's not dumb it should run both kits with the worst common settings, which means slowing down the CL15 kit to CL16 kit's timings. No problem after that

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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One channel will run 15 and the other will run 16. @MageTank

Cor Caeruleus Reborn v6

Spoiler

CPU: Intel - Core i7-8700K

CPU Cooler: be quiet! - PURE ROCK 
Thermal Compound: Arctic Silver - 5 High-Density Polysynthetic Silver 3.5g Thermal Paste 
Motherboard: ASRock Z370 Extreme4
Memory: G.Skill TridentZ RGB 2x8GB 3200/14
Storage: Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive 
Storage: Samsung - 960 EVO 500GB M.2-2280 Solid State Drive
Storage: Western Digital - Blue 2TB 3.5" 5400RPM Internal Hard Drive
Storage: Western Digital - BLACK SERIES 3TB 3.5" 7200RPM Internal Hard Drive
Video Card: EVGA - 970 SSC ACX (1080 is in RMA)
Case: Fractal Design - Define R5 w/Window (Black) ATX Mid Tower Case
Power Supply: EVGA - SuperNOVA P2 750W with CableMod blue/black Pro Series
Optical Drive: LG - WH16NS40 Blu-Ray/DVD/CD Writer 
Operating System: Microsoft - Windows 10 Pro OEM 64-bit and Linux Mint Serena
Keyboard: Logitech - G910 Orion Spectrum RGB Wired Gaming Keyboard
Mouse: Logitech - G502 Wired Optical Mouse
Headphones: Logitech - G430 7.1 Channel  Headset
Speakers: Logitech - Z506 155W 5.1ch Speakers

 

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On 6/2/2020 at 8:08 PM, ARikozuM said:

One channel will run 15 and the other will run 16. @MageTank

Not quite. Primary timings are not channel independent, you cannot specify specific primary timings on a per-channel level. The memory controller isn't quite that robust for our current platforms, so it will normally run the slower of the two, which means they would all try to run C16. In this case, @Jurruniowould be correct.

 

On 6/2/2020 at 7:51 PM, x9x9x9x9x9 said:

Hey guys I got some of this stuff https://www.newegg.com/g-skill-16gb-288-pin-ddr4-sdram/p/N82E16820232306 but at a much better price on ebay the other day and I want to go to 32gb but I don't really wanna pay $162 for another set. I can get this CAS 16 stuff https://www.newegg.com/g-skill-16gb-288-pin-ddr4-sdram/p/N82E16820232194 a lot cheaper I am just curious if I should say screw it and buy the c15 stuff or save my money. 

I personally wouldn't recommend this, especially if you are intending to use the system in a manner that requires time sensitive workflows and require a higher degree of stability. I am far less concerned with mixing kits with different primary timings, and far more concerned with mixing memory with different IC's. One kit might be Samsung, the other might be Hynix or Micron. These IC's typically enjoy different secondary and tertiary timing values, so mixing them can often lead to degradation in performance or stability issues in general. The $10 difference in price between the kits doesn't warrant the potential headache of having to stabilize the two kits.

My (incomplete) memory overclocking guide: 

 

Does memory speed impact gaming performance? Click here to find out!

On 1/2/2017 at 9:32 PM, MageTank said:

Sometimes, we all need a little inspiration.

 

 

 

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1 hour ago, MageTank said:

I personally wouldn't recommend this, especially if you are intending to use the system in a manner that requires time sensitive workflows and require a higher degree of stability. I am far less concerned with mixing kits with different primary timings, and far more concerned with mixing memory with different IC's. One kit might be Samsung, the other might be Hynix or Micron. These IC's typically enjoy different secondary and tertiary timing values, so mixing them can often lead to degradation in performance or stability issues in general. The $10 difference in price between the kits doesn't warrant the potential headache of having to stabilize the two kits.


Ah okay I won't mix them. OH The price changed. It was $162 for the cas15 stuff the other day. Yeah $10 I have no problem with.

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