Description Values
Media-card reader
One SD-card slot
Power adapter port
One 4.5 mm x 2.9 mm power-adapter port
Security
Noble lock
Internal:
M.2 • One M.2 slot for WiFi and Bluetooth combo card
• One M.2 2230/2242/2280 slot for solid-state drive or Intel
Optane Memory H10 with solid-state storage
Communications
Wireless module
Table 7. Wireless module specifications
Description Values Values Values
Model number Qualcomm QCA9377 (DW1810) Intel 9462 Intel 9560
Transfer rate Up to 433 Mbps Up to 433 Mbps Up to 867 Mbps
Frequency bands
supported
Dual band 2.4 GHz/5 GHz Dual band 2.4 GHz/5 GHz Dual band 2.4 GHz/5 GHz
Wireless standards • Wi-Fi 802.11a/b/g
• Wi-Fi 4 (Wi-Fi 802.11n)
• Wi-Fi 5 (Wi-Fi 802.11ac)
• Bluetooth 5.0
• Wi-Fi 802.11a/b/g
• Wi-Fi 4 (Wi-Fi 802.11n)
• Wi-Fi 5 (Wi-Fi 802.11ac)
• Bluetooth 5.0
• Wi-Fi 802.11a/b/g
• Wi-Fi 4 (Wi-Fi 802.11n)
• Wi-Fi 5 (Wi-Fi 802.11ac)
• Bluetooth 5.0
Encryption • 64-bit/128-bit WEP
• AES-CCMP
• TKIP
• 64-bit/128-bit WEP
• AES-CCMP
• TKIP
• 64-bit/128-bit WEP
• AES-CCMP
• TKIP
Bluetooth Bluetooth 4.2 Bluetooth 5.0 Bluetooth 5.0
Audio
Table 8.
Audio specifications
Description Values
Type
Realtek High Definition Audio
Controller
Realtek ALC3204
Stereo conversion
Supported
Internal interface
High-definition audio
External interface
Headset combo connector
Speakers
Two
Internal speaker amplifier
Supported (audio codec integrated)
12 Specifications of Inspiron 5491 2n1