Solved swapfile.sys


IanMosley

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OS
Windows 11 Pro 25H2 (Build 26200.8728)
What is 'swapfile.sys' used for? Can I delete it?
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8728)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01
Do not delete it. It is a system file, part of the virtual memory management. It is hidden so you do not delete it.
 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
    Manufacturer/Model
    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
    Motherboard
    Yep, Laptop has one.
    Memory
    16 GB soldered
    Graphics Card(s)
    Integrated Intel Iris XE
    Sound Card
    Realtek built in
    Monitor(s) Displays
    laptop OLED screen
    Screen Resolution
    2880x1800 touchscreen
    Hard Drives
    1 TB NVME SSD (only weakness is only one slot)
    PSU
    Internal + 65W thunderbolt USB4 charger
    Case
    Yep, got one
    Cooling
    Stella Artois (UK pint cans - 568 ml) - extra cost.
    Keyboard
    Built in UK keybd
    Mouse
    Bluetooth , wireless dongled, wired
    Internet Speed
    900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

    Macrium Reflect Home V8
    Office 365 Family (6 users each 1TB onedrive space)
    Hyper-V (a vm runs almost as fast as my older laptop)
Thank you.
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8728)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01
This Windows Central article is the best overview of swapfile.sys I can find anywhere. Sorry to say, there's nothing terribly useful in MS Answers or MS Docs. Go figure! Are you for or against Swapfile.sys?
HTH,
--Ed--
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo X380 Yoga
    CPU
    i7-8650U (8th Gen/Kaby Lake)
    Motherboard
    20LH000MUS (U3E1)
    Memory
    16 GB
    Graphics Card(s)
    Intel UHD Graphics 620
    Sound Card
    Integrated Conexant SmartAudio HD
    Monitor(s) Displays
    FlexView Display
    Screen Resolution
    1920x1080
    Hard Drives
    Toshiba 1 TB PCIe x3 NVMe SSD
    external 5TB Seagate USB-C attached HDD
    PSU
    Lenovo integrated 65W power brick
    Case
    Laptop
    Cooling
    Laptop
    Keyboard
    Integrated Lenovo ThinkPad keyboard
    Mouse
    touchscreen, touchpad
    Internet Speed
    GbE (Spectrum/Charter)
    Browser
    all of em
    Antivirus
    Defender
    Other Info
    Purchased early 2019 as Windows Insider test PC
  • Operating System
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    Ryzen 5800X
    Motherboard
    Asrock B550 Extreme4
    Memory
    128 GB (4x32 DDR5-5600)
    Graphics card(s)
    NVIDIA 3070Ti
    Sound Card
    built-in
    Monitor(s) Displays
    2xDell 2707
    Screen Resolution
    1980x1200
    Hard Drives
    2XNVMe, multiple HDDs from 3 to 12 TB
    PSU
    Seasonic 650
    Case
    NZXT Flo 6
    Cooling
    dual-fan air cooler
    Keyboard
    Logitech Wave
    Mouse
    Logitech Logi
    Internet Speed
    GbE
    Browser
    all of 'em
    Antivirus
    Defender
    Other Info
    temperamental UEFI
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