Dimensions and weight
| Height | 352.90 mm (13.90 in) |
| Width | 154 mm (6.06 in) |
| Depth | 303 mm (11.93 in) |
| Weight (approximate) | 5.90 kg (13.01 lb) |
NOTE: The weight of your computer varies depending on the configuration
ordered and the manufacturing variability. |
System information
| Computer model | Inspiron 3668 |
| Processor |
|
| Chipset | Intel H110 |
Memory
| Slots | Two U-DIMM slots |
| Type | DDR4 |
| Speed |
|
| Configurations supported |
|
Ports and connectors
| External: | |
| Network | One RJ45 port |
| USB |
|
| Audio/Video |
|
| Internal: | |
| M.2 card | One M.2 card slot for Wi-Fi and Bluetooth combo card |
| PCIe slots |
|
Media-card reader
| Type | One 5-in-1 slot |
| Cards supported |
|
Communications
| Ethernet | 10/100/1000 Mbps Ethernet controller integrated on system board |
| Wireless |
|
Audio
| Controller | Realtek ALC3820 |
| Type | Integrated 5.1 channel Intel High Definition Audio |
Storage
This section lists the storage options on your Inspiron 3668.
| Storage Type | Interface | Storage Capacity |
|---|---|---|
| One 2.5 inch Hard Drive | SATA 3 | 500 GB, 1 TB, and 2 TB |
| One 3.5 inch Hard Drive | SATA 3 | 500 GB, 1 TB, and 2 TB |
| One 2.5-inch Solid State Drive | SATA | 128 GB and 256 GB |
| One 9.5-mm DVD+/-RW Drive | SATA 1.5 |
Power ratings
| Input voltage | 100 VAC to 240 VAC |
| Input frequency | 50 Hz to 60 Hz |
| Input current (maximum) | 4.0 A |
Video
| Integrated | Discrete | |
|---|---|---|
| Controller | Intel HD Graphics |
|
| Memory | Shared system memory |
|
Computer environment
Airborne contaminant level: G2 or lower as defined by ISA-S71.04-1985
Relative humidity (maximum): 20% to 80% (non-condensing)
| Operating | Storage | |
|---|---|---|
| Temperature range | 10°C to 35°C (50°F to 95°F) |
–40°C to 65°C (–40°F to 149°F) |
| Vibration (maximum)* | 0.25 GRMS |
2.20 GRMS |
| Shock (maximum) | 40 G for 2 ms with a change in velocity of 20 in/s (51 cm/s)† |
50 G for 26 ms with a change in velocity of 320 in/s (813 cm/s)‡ |
| Altitude (maximum) | –15.24 m to 3048 m (–50 ft to 10,000 ft) |
–15.24 m to 10,668 m (–50 ft to 35,000 ft) |
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
‡ Measured using a 2 ms half-sine pulse when the hard-drive head is in parked position.




























