Intel Optane Memory H10 with Solid State Storage(optional)Intel Optane Memory technology utilizes 3D XPoint memory technology and functions as a non-volatile storage cache/accelerator and/or storage device depending on the Intel Optane Memory installed in your computer.Intel Optane Memory H10 with Solid State Storage functions as both a non-volatile storage cache/accelerator (enablingenhanced read/write speeds for hard-drive storage) and a solid-state storage solution. It neither replaces nor adds to thememory (RAM) installed on your computer.Table 11. Intel Optane Memory H10 with Solid State Storage specificationsDescription ValuesInterface PCIe 3 x4 NVMe● One PCIe 3 x2 for Optane memory● One PCIe 3 x2 for solid-state storageConnector M.2Form factor 2280Capacity (Intel Optane memory) Up to 32 GBCapacity (solid-state storage) Up to 512 GBNOTE: Intel Optane Memory H10 with Solid State Storage is supported on computers that meet the following requirements:● 9th Generation or higher Intel Core i3/i5/i7 processors● Windows 10 64-bit version or higher (Anniversary Update)● Intel Rapid Storage Technology driver version 15.9.1.1018 or higherMedia-card readerThe following table lists the media cards supported by your Inspiron 7400.Table 12. Media-card reader specificationsDescription ValuesMedia-card type One microSD-card slotMedia-cards supported ● Micro Secure Digital (mSD)● Micro Secure Digital High Capacity (mSDHC)● Micro Secure Digital Extended Capacity (mSDXC)NOTE: The maximum capacity supported by the media-card reader varies depending on the standard of the media cardinstalled in your computer.KeyboardThe following table lists the keyboard specifications of your Inspiron 7400.Table 13. Keyboard specificationsDescription ValuesKeyboard type Standard backlit keyboardSpecifications of Inspiron 7400 15