Solved [Q] RAM speed


Lou

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I'll be loading SOLIDWORKS to my new PC soon and was advised to increase my system RAM from 16 to 32GB to insure I'll have no issues with 3D-modeling.
Here's my question-
I'm a bit confused as to the required speed for the new memory module.
TASK MANAGER details RAM speed at 2933MHz while CPU-Z shows a 3200MHz module is presently in the PC
When I search for the PN, reported by CPU-Z, I find the Samsung module is rated at 3200MHz.
My goal here is to purchase the same module I presently have . When done I want (2) 16GB modules of the same type and by the same manufacturer.
What am I missing here--I'm a bit confused as to what to purchase.
FWIW- the folks at DELL CUSTOMER SUPPORT were of NO help-I obviously had the misfortune of working with a poorly trained Service Tech.....
stuff2.gifstuff.gif
 

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    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

CornishRattler

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Lou

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THANKS for the reply---
Is there a reason for CURCIAL over the SAMSUNG module
ALSO
Isn't it best to have identical modules----This is what I;ve been told but have NO experience with this....
 

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    Dell OE
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    32GB
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    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

CornishRattler

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THANKS for the reply---
Is there a reason for CURCIAL over the SAMSUNG module
ALSO
Isn't it best to have identical modules----This is what I;ve been told but have NO experience with this....
I wasn't suggesting you buy crucial, what it will do is tell you exactly which memory spec you need, where or who you buy from is up to you and yes always good practise to have matching modules
 

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    NVIDIA® GeForce RTX™ 3070 8GB GDDR6
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Lou

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Got ya!
It's just a bit confusing that the CPU-Z app lists the Samsung module with different specs than what's shown on the Crucial site for my specific PC.
It's getting late here----I'll follow up on this in the morning.....
 

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    DELL XPS 8940
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    Motherboard
    Dell OE
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    32GB
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    NVIDIA GeForce GTX 1650 SUPER
    Sound Card
    Realtek Audio (on board)
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    (2) DELL 2007FP
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    400Mbps DWN 12Mbps UP
    Browser
    PALEMOON for general browsing and FIREFOX for banking and financial sites
    Antivirus
    MS
    Other Info
    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

bobkn

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As listed by CPU-Z, your RAM is Samsung m378a2g43ab3-cwe. It's available from Amazon, for example. https://www.amazon.com/Tech-Replacement-Samsung-M378A2G43AB3-CWE-M378A2G43AB3-CWE-ATC/dp/B08R6BR9MN

It's not absolutely necessary that the DIMMs be identical, but it's possible that if their timings don't match, there could be a problem. (Which could be resolved by manually setting the RAM timings. I have done that, but it was years ago.) It's easiest to get an exact match.

Apparently your PC is running the RAM at 2 X 1466 MHz. (CPU-Z reports the clock frequency. Double Data Rate RAM transfers at twice that.)

You may be able to change the BIOS settings to get the full 3200 MHz rate, although you may not be able to easily detect the rate change.

However, you'll be going from single channel to dual channel RAM mode, which may nearly double the possible data rate. That'll be worthwhile, in addition to expanding the RAM.
 

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Lou

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Thanks for the input---
I think I have a solution---my Module is indeed 3200MHz and has the SAMSUNG Part number
Time to hit the sheets....
more stuff.gif
 

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System One

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    WIN11 HOME Version 22H2
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    Manufacturer/Model
    DELL XPS 8940
    CPU
    11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
    Motherboard
    Dell OE
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce GTX 1650 SUPER
    Sound Card
    Realtek Audio (on board)
    Monitor(s) Displays
    (2) DELL 2007FP
    Screen Resolution
    1600 X 1200
    Hard Drives
    C: (OS and APPS) 512GB SSD
    D: (data) 1TB SATA
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    360W
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    Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
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    Logitech M705
    Internet Speed
    400Mbps DWN 12Mbps UP
    Browser
    PALEMOON for general browsing and FIREFOX for banking and financial sites
    Antivirus
    MS
    Other Info
    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

Porthos

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Lou

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Thank-you!
I keep forgetting about CDW and by habit keep going to NEWEGG
 

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    11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
    Motherboard
    Dell OE
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce GTX 1650 SUPER
    Sound Card
    Realtek Audio (on board)
    Monitor(s) Displays
    (2) DELL 2007FP
    Screen Resolution
    1600 X 1200
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    C: (OS and APPS) 512GB SSD
    D: (data) 1TB SATA
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    DELL OE
    Cooling
    Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
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    Dell
    Mouse
    Logitech M705
    Internet Speed
    400Mbps DWN 12Mbps UP
    Browser
    PALEMOON for general browsing and FIREFOX for banking and financial sites
    Antivirus
    MS
    Other Info
    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

bobkn

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Thank-you!
I keep forgetting about CDW and by habit keep going to NEWEGG
Not to brag, but my Amazon (Marketplace) link was the lowest cost. Care must be taken with Amazon Marketplace sellers, but this one has a pretty good customer rating.
 

My Computers

System One System Two

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    Windows 11 22621.898
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    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
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    Viewsonic XG320U
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    3840 X 2160 @ 144Hz
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    WB Black SN850 1TB M.2 NVME SSD
    Samsung 970 Evo 4TB
    PSU
    eVGA SuperNOVA 1300 GT
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    Corsair 5000D AIrflow
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    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
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    Mouse
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    Sound Card
    built in Realtek
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    Asus PA329C
    Screen Resolution
    3840 X 2160
    Hard Drives
    Sabrent 1 TB PCI-E 4.0 X4 NVME M.2
    8 TB Seagate Ironwolf
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    Phanteks ENTHOO Pro M
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Porthos

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I keep forgetting about CDW and by habit keep going to NEWEGG
Not to brag, but my Amazon (Marketplace) link was the lowest cost. Care must be taken with Amazon Marketplace sellers, but this one has a pretty good customer rating.
I stick personally stick with Amazon as returns are quick and unquestioned if needed. I will pay a little more because of that fact alone.
 

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Lou

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FOLLOW-UP
I opened up my desktop to look inside---and clearly saw an answer to my original question.
I SHOULD have done this to begin with or simply trusted the data provided from the CPU-Z app....
1.gif
 

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    Motherboard
    Dell OE
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce GTX 1650 SUPER
    Sound Card
    Realtek Audio (on board)
    Monitor(s) Displays
    (2) DELL 2007FP
    Screen Resolution
    1600 X 1200
    Hard Drives
    C: (OS and APPS) 512GB SSD
    D: (data) 1TB SATA
    PSU
    360W
    Case
    DELL OE
    Cooling
    Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
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    Dell
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    Logitech M705
    Internet Speed
    400Mbps DWN 12Mbps UP
    Browser
    PALEMOON for general browsing and FIREFOX for banking and financial sites
    Antivirus
    MS
    Other Info
    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

johnlgalt

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Late to the party, but do realize one thing.

The RAM sticker shows that it is denoted by the manufacturer to be stable at that speed - 3200. Your CPU-Z screenshot shows 4 different JEDEC standards that can be used by your RAM, notice that even though 2 of them show 1600, the timings are, in fact different.

Windows Task Manager, and the Memory tab in CPU-Z, will show what your RAM is actually running at. Task manager can be faulty, though, but CPU-Z will show you right off.

For example, notice in your screenshot, the first JEDEC table shows a Freq of 1466. With a multiplier of 2, that makes the frequency reported as 2932 (if it were exact), so Windows TM reporting 2933 is actually probably correct. The Memory tab in CPU-Z will tell you more.

That being said, you can probably get more out of your RAM by adjusting some values in your BIOS / UEFI fw settings, but it is not going to make things so fast that, say, programs load in half the time or anything like that. You;re perfectly fine in keeping it running at the lowest JEDEC timing as that will put a (slightly) less wear and tear on your computer.

For reference, here is my ss similar to yours:

222.png

And here it is with the Memory tab selected in CPU-Z

223.png

As you can see, in this case, both TM and CPU-Z agree that my RAM is actually operating at (or, close to, really, not exactly) 3600 MHz clock speeds.

That all being said, matching the exact modules is helpful, and if you can buy a set of RAM sticks matched directly from the manufacturer, it makes things a lot easier to deal with. However, as @bobkn mentioned, you can always force the match in your BIOS / UEFI fw settings, although a safe bet is to get slightly faster RAM than you have (as in the minimal timings for the RAM is equal to or greater than the minimal timings for your existing stick, which is that first 1466 column), as everything will be forced to run at your original RAM stick's timings.

Again, though, to prevent any headaches, and particularly if you're not very tech savvy, it's better to buy a factory-matched set for the best performance. RAM prices being what they are, though, that might be hard to do. But your original idea to have more RAM for SolidWorks is a good one - if you can do more than 32, it may benefit from that as well.

Hope all this helped in understanding what you were seeing better.
 

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    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
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    Fractal Design Define 7 XL Dark ATX Full Tower Case
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    ZXT KRAKEN Z73 73.11 CFM Liquid CPU Cooler (3x 120 mm push top) + Air 3x 140mm case fans (pull front) + 1x 120 mm (push back) and 1 x 120 mm (pull bottom)
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    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
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Lou

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Yes-
The information offered by you and BOBKN was much appreciated...
THANKS to all for your time and comments
 

My Computer

System One

  • OS
    WIN11 HOME Version 22H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    DELL XPS 8940
    CPU
    11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
    Motherboard
    Dell OE
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce GTX 1650 SUPER
    Sound Card
    Realtek Audio (on board)
    Monitor(s) Displays
    (2) DELL 2007FP
    Screen Resolution
    1600 X 1200
    Hard Drives
    C: (OS and APPS) 512GB SSD
    D: (data) 1TB SATA
    PSU
    360W
    Case
    DELL OE
    Cooling
    Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
    Keyboard
    Dell
    Mouse
    Logitech M705
    Internet Speed
    400Mbps DWN 12Mbps UP
    Browser
    PALEMOON for general browsing and FIREFOX for banking and financial sites
    Antivirus
    MS
    Other Info
    The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
    ALSO added a VRM heatsink.

User1234

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Late to the party, but do realize one thing.

The RAM sticker shows that it is denoted by the manufacturer to be stable at that speed - 3200. Your CPU-Z screenshot shows 4 different JEDEC standards that can be used by your RAM, notice that even though 2 of them show 1600, the timings are, in fact different.

Windows Task Manager, and the Memory tab in CPU-Z, will show what your RAM is actually running at. Task manager can be faulty, though, but CPU-Z will show you right off.

For example, notice in your screenshot, the first JEDEC table shows a Freq of 1466. With a multiplier of 2, that makes the frequency reported as 2932 (if it were exact), so Windows TM reporting 2933 is actually probably correct. The Memory tab in CPU-Z will tell you more.

That being said, you can probably get more out of your RAM by adjusting some values in your BIOS / UEFI fw settings, but it is not going to make things so fast that, say, programs load in half the time or anything like that. You;re perfectly fine in keeping it running at the lowest JEDEC timing as that will put a (slightly) less wear and tear on your computer.

For reference, here is my ss similar to yours:

View attachment 23105

And here it is with the Memory tab selected in CPU-Z

View attachment 23104

As you can see, in this case, both TM and CPU-Z agree that my RAM is actually operating at (or, close to, really, not exactly) 3600 MHz clock speeds.

That all being said, matching the exact modules is helpful, and if you can buy a set of RAM sticks matched directly from the manufacturer, it makes things a lot easier to deal with. However, as @bobkn mentioned, you can always force the match in your BIOS / UEFI fw settings, although a safe bet is to get slightly faster RAM than you have (as in the minimal timings for the RAM is equal to or greater than the minimal timings for your existing stick, which is that first 1466 column), as everything will be forced to run at your original RAM stick's timings.

Again, though, to prevent any headaches, and particularly if you're not very tech savvy, it's better to buy a factory-matched set for the best performance. RAM prices being what they are, though, that might be hard to do. But your original idea to have more RAM for SolidWorks is a good one - if you can do more than 32, it may benefit from that as well.

Hope all this helped in understanding what you were seeing better.
Not related but 128gb ram? Wow. What's the most you've seen in use at any one time?
 

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