Real quick, is this a problem?

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RmeNayv

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Apr 9, 2015
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I am not a builder, I've got a factory built machine with a few upgrades. About six months ago I went to best buy (my first mistake) and had them recommend some RAM. I was just looking through Speccy getting ready to swap out the CPU when I realized the stock RAM was operating at 1.35v and the one I bought at 1.5v. I figured there was some varience in the range allowed but went on to Crucial to see what they recommended. Every single option they gave me was 1.35v so now I am a bit concerned. Sure it has been working for several months but should I expect some problems down the line if I continue to use this RAM. Is it a problem at all?

Thanks/Specs for MOBO and RAM below. ( I know, it is the universally hated all-in-one aka. dead end board. Still don't want to burn it.)


Slot TWO is runnig at 1.5v

Total memory slots 4
Used memory slots 2
Free memory slots 2
Memory
Type DDR3
Size 12288 MBytes
Channels # Dual
DRAM Frequency 665.1 MHz
CAS# Latency (CL) 9 clocks
RAS# to CAS# Delay (tRCD) 9 clocks
RAS# Precharge (tRP) 9 clocks
Cycle Time (tRAS) 24 clocks
Command Rate (CR) 1T
Physical Memory
Memory Usage 27 %
Total Physical 12 GB
Available Physical 8.68 GB
Total Virtual 14 GB
Available Virtual 9.65 GB
SPD
Number Of SPD Modules 2
Slot #1
Type DDR3
Size 4096 MBytes
Manufacturer Samsung
Max Bandwidth PC3-12800 (800 MHz)
Part Number M471B5173DB0-YK0
Serial Number 3925FE68
Week/year 37 / 14
Timing table
Slot #2
Type DDR3
Size 8192 MBytes
Manufacturer PNY Electronics
Max Bandwidth PC3-12800 (800 MHz)
Part Number
Timing table

Manufacturer LENOVO
Model INVALID (10SC1-F01150-01R)
Version Lenovo C560
Chipset Vendor Intel
Chipset Model Haswell
Chipset Revision 06
Southbridge Vendor Intel
Southbridge Model H81
Southbridge Revision C2
BIOS
Brand LENOVO
Version INKT26AUS
Date 8/22/2014
 
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ShakedG

ShakedG

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Dec 2, 2014
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First of all it is a very bad idea to mix and match RAM modules. Each of them is meant to run at different frequencies, timings, and voltages, and you could harm them when you force them to operate at a different module's settings. I'd recommend to choose only one of these modules and stick (pun intended) with it, or get another RAM module that is the exact same as the on you chose to stick with (model number and everything). You could also get a RAM kit with both RAMs being the same.
 
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RmeNayv

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Apr 9, 2015
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I have another 8gb in the mail but it is also 1.5v. Is there a reason crucial is only offering me 1.35v when this seems to be working. I din't want to copy the timing table here but the 4gb is running at 1.35 and the 8 at 1.5.


Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 381.0 MHz 5.0 5 5 14 19 1.350 V
JEDEC #2 457.1 MHz 6.0 6 6 16 22 1.350 V
JEDEC #3 533.3 MHz 7.0 7 7 19 26 1.350 V
JEDEC #4 609.5 MHz 8.0 8 8 22 30 1.350 V
JEDEC #5 685.7 MHz 9.0 9 9 24 33 1.350 V
JEDEC #6 761.9 MHz 10.0 10 10 27 37 1.350 V
JEDEC #7 800.0 MHz 11.0 11 11 28 39 1.350 V
Slot #2
Type DDR3
Size 8192 MBytes
Manufacturer PNY Electronics
Max Bandwidth PC3-12800 (800 MHz)
Part Number
Timing table
Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 457.1 MHz 6.0 6 6 16 22 1.500 V
JEDEC #2 533.3 MHz 7.0 7 7 19 26 1.500 V
JEDEC #3 609.5 MHz 8.0 8 8 22 30 1.500 V
JEDEC #4 685.7 MHz 9.0 9 9 24 33 1.500 V
JEDEC #5 761.9 MHz 10.0 10 10 27 37 1.500 V
JEDEC #6 800.0 MHz 11.0 11 11 28 39 1.500 V
 
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ShakedG

ShakedG

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Dec 2, 2014
639
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What you gave me is the SPD table. i.e the recommended settings for each module. I still don't know what you are running (you can only have 1 voltage set for all you RAM modules, same goes for frequency and timings). Like I said, you cannot mix and match RAM modules, they all have to be THE EXACT SAME MODEL.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
40
126,960


______________

And should be from a single package, taking the the same exact model from different packages is still a crapshoot, DRAM in a single package is guaranteed to all play as they have been test to do so. You can pull 2 sticks right off the assembly line and they might play - they might not, which is why they test
 
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