Windows 11 just started to chew up RAM. ~15 GB unaccounted for.


Right, okay. Either on the file summary tab or the physical pages tab, if you only look at files, you will see... files. If you want to ignore everything else that's in the pages tab, then that's up to you. Doesn't make you any less wrong.

OP's question has been answered (I think), and I'm growing weary of you thinking RAM only has files in it apparently. Good luck.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    12th Gen Intel Core i7-1260P, 2100 MHz
    Motherboard
    NUC12WSBi7
    Memory
    64 GB
    Graphics Card(s)
    Intel Iris Xe
    Sound Card
    built-in Realtek HD audio
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    Dell U3219Q
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  • Operating System
    Linux Mint 21.2 (Cinnamon)
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    Intel NUC8i5BEH
    CPU
    Intel Core i5-8259U CPU @ 2.30GHz
    Memory
    32 GB
    Graphics card(s)
    Iris Plus 655
    Keyboard
    CODE 104-Key Mechanical with Cherry MX Clears
nd I'm growing weary of you thinking RAM only has files in it apparently. Good luck.
Correct i am telling people online that Standby contains a list of cached files from disk. Introduced in win8, under the term "unused memory is wasted memory". So they started caching frequently used files to RAM. Thats the Standby function.
The rest of the RAM "In use and Modified" are the memory parts that applications uses. So no i don't think of RAM is full of files. It contains more.
But people spreading to much misinformation, that Standby contains active program data. But that is false statement.

Don't forget to hit F5 in Rammap as it does not autorefresh and otherwise shows the old data after closing an app....
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
One other consideration: While I don't know the behavior of your specific program(s), I can say that some programs will use more memory if it is available, generally for improved performance. If other programs need more RAM than (hopefully) the program using a lot of memory will give up the extra memory that it is using.

In fact, Windows itself behaves that way as well. Some components will take advantage of systems with larger amounts of RAM and then back off if the memory is needed for other tasks.

Bottom line: Do we know for a fact that this is really abnormal behavior? That's not a call that I can make, just a possibility to consider.
 

My Computers

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  • OS
    Win11 Pro 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-built
    CPU
    Intel i7 11700K
    Motherboard
    ASUS Prime Z590-A MB
    Memory
    64GB (Waiting for warranty replacement of another 64GB for 128GB total)
    Graphics Card(s)
    No GPU - Built-in Intel Graphics
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    Integrated
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    HP Envy 32
    Screen Resolution
    2560 x 1440
    Hard Drives
    1 x 1TB NVMe SSD
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    1 x 4TB NVMe SSD
    3 x 512GB 2.5" SSD
    1 x 4TB 2.5" SSD
    5 x 8TB Seagate Barracuda HDD
    PSU
    Corsair HX850i
    Case
    Corsair iCUE RGB 5000X mid tower case
    Cooling
    Noctua NF-S12A chromax.black.swap case fans (Qty. 7) & Home Computer Specifications, Configuration, and Usage Notes General Specifications ASUS Prime Z590-A motherboard, serial number M1M0KC222467ARP Intel Core i7-11700K CPU (11th Gen Rocket Lake / LGA 1200 Socket) 128GB Crucial Ballistix RGB DDR4 3200 MHz DRAM (4 x 32GB) Corsair iCUE RGB 5000X mid tower case Noctua NH-D15 chromax.black CPU cooler Noctua NF-S12A chromax.black.swap case fans (Qty. 7) & Corsair LL-120 RGB Fans (Qty. 3)
    Keyboard
    Corsair K70 Max RGB Magnetic Keyboard
    Mouse
    Logitech MX Master 3
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    1Gb Up / 1 Gb Down
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    Edge
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    Windows Defender
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    Networking: 2.5Gbps Ethernet and WiFi 6e
  • Operating System
    Win11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkBook 13x Gen 2
    CPU
    Intel i7-1255U
    Memory
    16 GB
    Graphics card(s)
    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    2 TB 4 x 4 NVMe SSD
    PSU
    USB-C / Thunderbolt 4 Power / Charging
    Mouse
    Buttonless Glass Precision Touchpad
    Keyboard
    Backlit, spill resistant keyboard
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    1Gb Up / 1Gb Down
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    Edge
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    Windows Defender
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    WiFi 6e / Bluetooth 5.1 / Facial Recognition / Fingerprint Sensor / ToF (Time of Flight) Human Presence Sensor

My Computer

System One

  • OS
    Windows XP/7/8/8.1/10/11, Linux, Android, FreeBSD Unix
    Computer type
    Laptop
    Manufacturer/Model
    Dell XPS 15 9570
    CPU
    Intel® Core™ i7-8750H 8th Gen Processor 2.2Ghz up to 4.1Ghz
    Motherboard
    Dell XPS 15 9570
    Memory
    32GB using 2x16GB modules
    Graphics Card(s)
    Intel UHD 630 & NVIDIA GeForce GTX 1050 Ti with 4GB DDR5
    Sound Card
    Realtek ALC3266-CG
    Monitor(s) Displays
    15.6" 4K Touch UltraHD 3840x2160 made by Sharp
    Screen Resolution
    3840x2160
    Hard Drives
    Toshiba KXG60ZNV1T02 NVMe 1024GB/1TB SSD
    PSU
    Dell XPS 15 9570
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    Dell XPS 15 9570
    Cooling
    Stock
    Keyboard
    Stock
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    SwitftPoint ProPoint
    Internet Speed
    Comcast/XFinity 1.44Gbps/42.5Mbps
    Browser
    Microsoft EDGE (Chromium based) & Google Chrome
    Antivirus
    Windows Defender that came with Windows
Is there a way to have System Informer clean the unused memory automatically or periodically?
No that option is only for troubleshooting, you want MemReduct Or WiseMemoryOptimizer.
 

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 8600G (07/24)
    Motherboard
    ASROCK B650M-HDV/M.2 3.15 (07/24)
    Memory
    2x32GB Kingston FURY DDR5 5600 MHz CL36 @4800 CL40 (07/24)
    Graphics Card(s)
    ASROCK Radeon RX 6600 Challenger D 8G @60FPS (08/24)
    Sound Card
    Creative Sound BlasterX AE-5 Plus (05/24)
    Monitor(s) Displays
    24" Philips 24M1N3200ZS/00 (05/24)
    Screen Resolution
    1920×1080@165Hz via DP1.4
    Hard Drives
    Kingston KC3000 NVMe 2TB (05/24)
    ADATA XPG GAMMIX S11 Pro 512GB (07/19)
    PSU
    Seasonic Core GM 550 Gold (04/24)
    Case
    Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
    Cooling
    Noctua NH-U12S with Noctua NF-P12 (04/24)
    Keyboard
    HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
    Mouse
    Logitech M330 Silent Plus (04/23)
    Internet Speed
    500/100 Mbps via RouterOS (05/21) & TCP Optimizer
    Browser
    Edge & Brave for YouTube & LibreWolf for FB
    Antivirus
    NextDNS
    Other Info
    Backup: Hasleo Backup Suite (PreOS)
    Headphones: Sennheiser RS170 (09/10)
    Phone: Samsung Galaxy Xcover 7 (02/24)
    Chair: Huzaro Force 4.4 Grey Mesh (05/24)
    Notifier: Xiaomi Mi Band 9 Milanese (10/24)
    2nd Monitor: AOC G2460VQ6 @75Hz (02/19)
No that option is only for troubleshooting, you want MemReduct Or WiseMemoryOptimizer.
Thanks, didn't even know about that in System Informer or Process Hacker.... I had a file called FreeStandbyMemory.bat that I downloaded many years ago but didn't remember what it was for and never used it. What's the real difference between MemReduct Or WiseMemoryOptimizer?
 

My Computer

System One

  • OS
    Windows XP/7/8/8.1/10/11, Linux, Android, FreeBSD Unix
    Computer type
    Laptop
    Manufacturer/Model
    Dell XPS 15 9570
    CPU
    Intel® Core™ i7-8750H 8th Gen Processor 2.2Ghz up to 4.1Ghz
    Motherboard
    Dell XPS 15 9570
    Memory
    32GB using 2x16GB modules
    Graphics Card(s)
    Intel UHD 630 & NVIDIA GeForce GTX 1050 Ti with 4GB DDR5
    Sound Card
    Realtek ALC3266-CG
    Monitor(s) Displays
    15.6" 4K Touch UltraHD 3840x2160 made by Sharp
    Screen Resolution
    3840x2160
    Hard Drives
    Toshiba KXG60ZNV1T02 NVMe 1024GB/1TB SSD
    PSU
    Dell XPS 15 9570
    Case
    Dell XPS 15 9570
    Cooling
    Stock
    Keyboard
    Stock
    Mouse
    SwitftPoint ProPoint
    Internet Speed
    Comcast/XFinity 1.44Gbps/42.5Mbps
    Browser
    Microsoft EDGE (Chromium based) & Google Chrome
    Antivirus
    Windows Defender that came with Windows

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 8600G (07/24)
    Motherboard
    ASROCK B650M-HDV/M.2 3.15 (07/24)
    Memory
    2x32GB Kingston FURY DDR5 5600 MHz CL36 @4800 CL40 (07/24)
    Graphics Card(s)
    ASROCK Radeon RX 6600 Challenger D 8G @60FPS (08/24)
    Sound Card
    Creative Sound BlasterX AE-5 Plus (05/24)
    Monitor(s) Displays
    24" Philips 24M1N3200ZS/00 (05/24)
    Screen Resolution
    1920×1080@165Hz via DP1.4
    Hard Drives
    Kingston KC3000 NVMe 2TB (05/24)
    ADATA XPG GAMMIX S11 Pro 512GB (07/19)
    PSU
    Seasonic Core GM 550 Gold (04/24)
    Case
    Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
    Cooling
    Noctua NH-U12S with Noctua NF-P12 (04/24)
    Keyboard
    HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
    Mouse
    Logitech M330 Silent Plus (04/23)
    Internet Speed
    500/100 Mbps via RouterOS (05/21) & TCP Optimizer
    Browser
    Edge & Brave for YouTube & LibreWolf for FB
    Antivirus
    NextDNS
    Other Info
    Backup: Hasleo Backup Suite (PreOS)
    Headphones: Sennheiser RS170 (09/10)
    Phone: Samsung Galaxy Xcover 7 (02/24)
    Chair: Huzaro Force 4.4 Grey Mesh (05/24)
    Notifier: Xiaomi Mi Band 9 Milanese (10/24)
    2nd Monitor: AOC G2460VQ6 @75Hz (02/19)
No that option is only for troubleshooting, you want MemReduct Or WiseMemoryOptimizer.
Thanks for these, i tested Memreduct, and it went from 32% to 14%, that was good, thanks
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD 5800x
    Motherboard
    Rog Strix x570-E Gaming Wifi
    Memory
    64GB Corsair Pro SL
    Graphics Card(s)
    Sapphire 5700XT
    Sound Card
    Antelope Audio, Orio Studio Synergy Core
    Monitor(s) Displays
    Innocn 27M2V
    Screen Resolution
    3840x2160
    Hard Drives
    System: Sansdisk SDSSH 225GB
    Storage: Toshiba HDWQ140 4TB
    Storage: Samsung HD103UJ 1TB
    Game Disk: Samsung 980 Pro 512GB
    Game Disk 2: Samsung 980 Peo 2TB
    PSU
    EVGA G2 750W
    Case
    Chieftec Mesh Super old fulltower (20kg empty)
    Cooling
    Noctua D15.cgromax.black with two fans,
    Keyboard
    Dell RT7D40 Enhanced Multimedia Keyboard
    Mouse
    ell T0179 (M-RAC67B)
    Internet Speed
    500 / 500 Mbit
    Browser
    Edge Canary 64 Bit
    Antivirus
    None, disabled in WIndows 11 by GPO

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