Dell Inspiron 3781 - Storage; Media-Card Reader; Intel Optane Memory (Optional)

Table 10. Audio specifications (continued)
Description Values
Internal speaker amplifier
Supported
External volume controls
Keyboard shortcuts
Speaker output:
Average
2 W
Peak
2.5 W
Subwoofer output
Not supported
Microphone
Supported
Storage
Table 11. Storage specifications
Storage type Interface type Capacity
One 2.5-inch hard drive SATA AHCI, up to 6 Gbps
● 500 GB (5400 RPM/7200
RPM)
● 1 TB (5400 RPM/7200
RPM)
● 2 TB (5400 RPM)
One M.2 2280 solid-state drive
● PCIe Gen3.0x4 NVMe, up to 32
Gbps for 7
th
Generation Intel Core
i3/i5/i7 processors
● PCIe Gen2.0x4, up to 16 Gbps for
Intel Celeron and Pentium Gold
processors
Up to 256 GB
Optical drive 9.5 mm DVD-RW One slimline DVD-RW
Media-card reader
Table 12. Media-card reader specifications
Description Values
Type
One SD-card slot
Cards supported
● Secure Digital (SD)
● Secure Digital High Capacity(SDHC)
● Secure Digital Extended Capacity(SDXC)
Intel Optane memory (optional)
Intel Optane memory functions only as a storage accelerator. It neither replaces nor adds to the memory (RAM) installed on
your computer.
NOTE:
Intel Optane memory is supported on computers that meet the following requirements:
● 7
th
Generation or higher Intel Core i3/i5/i7 processor
14 Specifications of Inspiron 3781