Dell Inspiron 3668 Desktop Computer

Model #I3668-5168BLK

Dell i3668 5168blk 1
Dell i3668 5168blk 1
Dell i3668 5168blk 3
Dell i3668 5168blk 2
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Graphics Type Integrated
Graphics Card Intel HD Graphics 630
Processor Intel Core i5-7400 Quad-Core
Base Clock Speed 3.0 GHz
Max Boost Speed 3.5 GHz
L3 Cache 6 MB
System Bus 8 GT/s Direct Media Interface
Chipset Socket: FCLGA1151Type: Intel H110
Total Installed Memory 8 GB
Maximum Memory Capacity 16 GB
Memory Type DDR4 SDRAM
Memory Speed 2400 MHz
User-Replaceable Memory 1 x 8 GB
Available Memory Slots 1
Memory Slot Type 288-Pin DIMM

Packaging Info

Box Dimensions (LxWxH) 19.4 x 15.5 x 13.3"
Package Weight 18.5 lb

Keyboard & Mouse

Mouse USB
Keyboard Type: Full-SizeFeatures: Numeric Keypad

Inputs / Outputs

Audio 1 x 1/8" (3.5 mm) Headphone/Microphone Combo Jack1 x 1/8" (3.5 mm) Line-In1 x 1/8" (3.5 mm) Line-Out1 x 1/8" (3.5 mm) Microphone Input
Flash Media Slot 1x SD1x SDHC1x SDXC1x MMC1x MMC+
Ports 2 x USB 3.0 Type-A4 x USB 2.0 Type-A
Display 1 x HDMI1 x VGA


Dimensions (WxHxD) 6.1 x 13.9 x 11.9" / 154.9 x 353.1 x 302.3 mm
Operating System Windows 10 Home (64-Bit)
Weight 13.01 lb / 5.90 kg (Starting weight)
Power Supply 240 W


Optical Drive Tray-Load SuperMulti DVD Burner
Hard Drive Installed: 1 TB 7200 rpmType: SATA
Drive Expansion Not specified by manufacturer
PCI Expansion 1 x PCIe x162 x PCIe x1


Bluetooth Bluetooth 4.0
Wi-Fi 802.11b/g/n
Network 1 x 10/100/1000 Mbps Gigabit Ethernet (RJ-45)
User Reviews
B h photo.34921152
22 February 2018

What a pleasant surprise! The last time I experienced "affordable" computers they were noisy, slow, and sported too few USB ports. This one, purchased as a second computer with 1TB HDD, i5 and 8GB ram has none of those shortcomings. We use it for general purpose computing, plus light photo-editing.

Micro center.34865720
7 January 2018

The Dell 3668 has all the features one expects a Desktop PC to have, including several USB ports. The supplied software actually includes a few games, which is unusual for a box with Windows 10 Pro. The response seems quicker than my Dell 660 which is a year or two older.

3 November 2017

Came quickly and as ordered. Only problem was the extra memory wasn't fully seated so the computer wouldn't boot at first, but that was easily adjusted and works great.

B h photo.34921152
2 weeks ago

Replaced a five year old dead HP (quality control?). Seems like a solid performer. Hopefully It will live a longer life.

B h photo.34921152
2 weeks ago

Compact rather nifty desktop. Like having 2 USB and one SD slot on front. Only wish max memory was higher than 16G, yet it does job. If slower than my former desktop (with the fastest i7 processor, I honestly do not notice. Actually a very good bargain.

John lewis.33656000
24 April 2018

I picked up the product from Waitrose store, returned home, un-packaged and started it up, it was asking fro a user log in.Clearly not a new machine I'd received.Phoning technical support they advised to return it, when packaging up found that the units delivery carton had paperwork identifying that...

John lewis.33656000
17 April 2018

The speedy start-up (due to SSD drive?) is especially noticeable after enduring the lengthy period starting up my previous 4 year old desktop.So far, machine has coped well with all the demands (both work and leisure) placed on it.It's a shame that the installed Windows 10 is such an unhelpful...

B h photo.34921152
5 February 2018

Only been up and running one week; replaced a Vista. Seems OK. Some differences needing to get used to. So far, so good.

B h photo.34921152
31 January 2018

Replaced a Dell Vista, 2006-2008? maybe. Getting used to different locations and icons. Time consuming, but so far so good.

10 January 2018

It wasn't easy to GET it to where I love it, but now === with a little work it screams.

Product Highlights
  • 3.0 GHz Intel Core i5-7400 Quad-Core
  • 8GB of 2400 MHz DDR4 RAM
  • Integrated Intel HD Graphics 630
  • 1TB 7200 rpm SATA III Hard Drive
  • 9.5mm DVD±RW Drive
  • 1 x Gigabit Ethernet Port
  • 802.11b/g/n Wi-Fi | Bluetooth 4.0
  • 2 x USB 3.0 Type-A | 4 x USB 2.0 Type-A
  • USB Wired Keyboard & Mouse Included
  • Windows 10 Home (64-bit)
In The Box
  • Dell Inspiron 3668 Desktop Computer
  • KB216 Multimedia Keyboard twaactqxsfazxxvesfrvswxyaaybbdetyzew
  • USB Mouse
  • Power Cord
  • Limited 1-Year Warranty
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