[Solved] Incorrect RAM-size in free -h, but not in dmidecode. What's wrong?

Code:

sudo dmidecode --type memory

Code:

Getting SMBIOS data from sysfs.SMBIOS 2.8 present.Handle 0x0011, DMI type 16, 23 bytesPhysical Memory ArrayLocation: System Board Or MotherboardUse: System MemoryError Correction Type: NoneMaximum Capacity: 128 GBError Information Handle: 0x0010Number Of Devices: 4Handle 0x0018, DMI type 17, 40 bytesMemory DeviceArray Handle: 0x0011Error Information Handle: 0x0017Total Width: UnknownData Width: UnknownSize: No Module InstalledForm Factor: UnknownSet: NoneLocator: DIMM 0Bank Locator: P0 CHANNEL AType: UnknownType Detail: UnknownHandle 0x001A, DMI type 17, 40 bytesMemory DeviceArray Handle: 0x0011Error Information Handle: 0x0019Total Width: 64 bitsData Width: 64 bitsSize: 8 GBForm Factor: DIMMSet: NoneLocator: DIMM 1Bank Locator: P0 CHANNEL AType: DDR4Type Detail: Synchronous Unbuffered (Unregistered)Speed: 2667 MT/sManufacturer: Micron TechnologySerial Number: 2F897838Asset Tag: Not SpecifiedPart Number: 4ATF1G64AZ-3G2E1    Rank: 1Configured Memory Speed: 2667 MT/sMinimum Voltage: 1.2 VMaximum Voltage: 1.2 VConfigured Voltage: 1.2 VHandle 0x001D, DMI type 17, 40 bytesMemory DeviceArray Handle: 0x0011Error Information Handle: 0x001CTotal Width: UnknownData Width: UnknownSize: No Module InstalledForm Factor: UnknownSet: NoneLocator: DIMM 0Bank Locator: P0 CHANNEL BType: UnknownType Detail: UnknownHandle 0x001F, DMI type 17, 40 bytesMemory DeviceArray Handle: 0x0011Error Information Handle: 0x001ETotal Width: 64 bitsData Width: 64 bitsSize: 8 GBForm Factor: DIMMSet: NoneLocator: DIMM 1Bank Locator: P0 CHANNEL BType: DDR4Type Detail: Synchronous Unbuffered (Unregistered)Speed: 2667 MT/sManufacturer: Micron TechnologySerial Number: 2F89760FAsset Tag: Not SpecifiedPart Number: 4ATF1G64AZ-3G2E1    Rank: 1Configured Memory Speed: 2667 MT/sMinimum Voltage: 1.2 VMaximum Voltage: 1.2 VConfigured Voltage: 1.2 V

Code:

*-firmware                       description: BIOS       vendor: American Megatrends International, LLC.       physical id: 0       version: M.H0       date: 07/26/2022       size: 64KiB       capacity: 16MiB       capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb biosbootspecification uefi  *-memory       description: System Memory       physical id: 11       slot: System board or motherboard       size: 16GiB     *-bank:0          description: 2667 MHz (0,4 ns) [empty]          product: Unknown          vendor: Unknown          physical id: 0          serial: Unknown          slot: DIMM 0          clock: 2667MHz (0.4ns)     *-bank:1          description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2667 MHz (0,4 ns)          product: 4ATF1G64AZ-3G2E1          vendor: Micron Technology          physical id: 1          serial: 2F897838          slot: DIMM 1          size: 8GiB          width: 64 bits          clock: 2667MHz (0.4ns)     *-bank:2          description: 2667 MHz (0,4 ns) [empty]          product: Unknown          vendor: Unknown          physical id: 2          serial: Unknown          slot: DIMM 0          clock: 2667MHz (0.4ns)     *-bank:3          description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2667 MHz (0,4 ns)          product: 4ATF1G64AZ-3G2E1          vendor: Micron Technology          physical id: 3          serial: 2F89760F          slot: DIMM 1          size: 8GiB          width: 64 bits          clock: 2667MHz (0.4ns)  *-cache:0       description: L1 cache       physical id: 13       slot: L1 - Cache       size: 576KiB       capacity: 576KiB       clock: 1GHz (1.0ns)       capabilities: pipeline-burst internal write-back unified       configuration: level=1  *-cache:1       description: L2 cache       physical id: 14       slot: L2 - Cache       size: 3MiB       capacity: 3MiB       clock: 1GHz (1.0ns)       capabilities: pipeline-burst internal write-back unified       configuration: level=2  *-cache:2       description: L3 cache       physical id: 15       slot: L3 - Cache       size: 16MiB       capacity: 16MiB       clock: 1GHz (1.0ns)       capabilities: pipeline-burst internal write-back unified       configuration: level=3

Code:

free -h

Code:

             gesamt       benutzt     frei      gemns.  Puffer/Cache verfügbarSpeicher:      7,7Gi       4,3Gi       716Mi        60Mi       3,0Gi       3,3GiSwap:          3,3Gi          0B       3,3Gi

Code:

[    0.052579] Memory: 3014432K/8312428K available (14342K kernel code, 2332K rwdata, 9060K rodata, 2796K init, 17404K bss, 405404K reserved, 0K cma-reserved)[    0.255768] x86/mm: Memory block size: 128MB