Dell Inspiron 3891 Desktop Specs

Here's what you need to know about Dell Inspiron 3891 Desktop Specs, including price, processors, memory, graphics, storage, ports, and more.

BY Evan Forrest October 10, 2021 06:33 pm

The 2021 Dell Inspiron 3891 Desktop features 58W 10th Generation Intel Comet Lake dual-core Intel Celeron G5905 up to a 65W 8-core Intel Core i7-11700F with a boost speed up to 4.90 GHz. The Intel B560 Chipset motherboard inside Dell Inspiron 3891 Desktop has two memory slots that support up to 64GB of 2933MHz dual-channel DDR4 memory.

What's New in Dell Inspiron 3891 Desktop

Here's what you need to know about the Dell Inspiron 3891 Desktop.

Intel B560 Chipset
Supports 10th and 11th Gen Intel Processors
Up to 65W Intel® Core™ i7-11700 (8C/16T, Up to 4.90 GHz)
Up to 64GB 2933MH dual-channel DDR4 memory
Up to NVIDIA® GeForce® GTX 1660 SUPER with 6GB of GDDR6
Up to 360W 80+ Bronze PSU
Up to Wi-Fi 6 and Bluetooth 5.1
More Features
- Optional SD Card Reader 3.0.
- Up to two display outputs (HDMI + VGA).

Dell Inspiron 3891 Desktop Full Specifications

	Dell Inspiron 3891 Desktop Compare
Availability
Released	2021
Release Info	Available in October 2021
Pricing	Starting from $429.99 i3-10105 iGPU ODD 8GB 1TB 3.5” HDD Wi-Fi 5
Generations	2022 Dell Inspiron 3910 Desktop Compare 2021 Dell Inspiron 3891 Desktop Current 2020 Dell Inspiron 3881 Desktop Compare 2020 Dell Inspiron 3880 Desktop Compare

Exterior	Dell Inspiron 3891 Desktop
Dimensions	11.54 x 12.77 x 6.06” (293 x 324.30 x 154 mm)
Weight	Starting at 10.88 lbs (4.94 kg)
Colors	Black
Keyboard and Trackpad	Dell KB216 Wired Keyboard English Black Dell MS116 Wired Mouse Black
Ports	Front 3 x USB-A 2 x USB 2.0 (480 Mbps) 1 x USB 3.2 Gen 1 (5 Gbps) 1 x USB-C USB 3.2 Gen 1 (5 Gbps) 1 x SD card reader (Optional) 1 x Universal Audio Jack Rear 4 x USB-A 2 x USB 2.0 (480 Mbps) 2 x USB 3.2 Gen 1 (5 Gbps) 1 x RJ-45 Gigabit Ethernet. 1 x HDMI 1.4b 1 x VGA 1 x Line-out re-tasking Line-in audio port 1 x Power supply unit 1 x Kensington lock slot

Chasis	Dell Inspiron 3891 Desktop
Form Factor	Mini Tower
Power Supply	260W 80+ Bronze 85% Efficiency 360W 80+ Bronze 85% Efficiency
Optical Drives	Optional Tray load DVD Drive Reads and Writes to DVD/CD

Internal Specs	Dell Inspiron 3891 Desktop
Chipset	Intel B560 Chipset
Processor	10th Gen Intel® Celeron® G5905 2C/2T, 3.50 GHz, 4MB SmartCache, 58W 10th Gen Intel® Pentium® Gold G6405 2C/4T, 4.10 GHz, 4MB SmartCache, 58W 10th Gen Intel® Core™ i3-10105 4C/8T, 3.70 → 4.40 GHz, 6MB SmartCache, 65W 10th Gen Intel® Core™ i5-10400 6C/12T, 2.90 → 4.30 GHz, 12MB SmartCache, 65W 10th Gen Intel® Core™ i5-10400F 6C/12T, 2.90 → 4.30 GHz, 12MB SmartCache, 65W 10th Gen Intel® Core™ i7-10700 8C/16T, 2.90 → 4.80 GHz, 16MB SmartCache, 65W 10th Gen Intel® Core™ i7-10700F 8C/16T, 2.90 → 4.80 GHz, 16MB SmartCache, 65W 11th Gen Intel® Core™ i5-11400 6C/12T, 2.60 → 4.40 GHz, 12MB SmartCache, 65W 11th Gen Intel® Core™ i5-11400F 6C/12T, 2.60 → 4.40 GHz, 12MB SmartCache, 65W 11th Gen Intel® Core™ i7-11700 8C/16T, 2.50 → 4.90 GHz, 16MB SmartCache, 65W 11th Gen Intel® Core™ i7-11700F 8C/16T, 2.50 → 4.90 GHz, 16MB SmartCache, 65W
Integrated Graphics	10th Gen Intel® Celeron® G5905 Intel® UHD Graphics 610 350 → 1050 MHz 10th Gen Intel® Pentium® Gold G6405 Intel® UHD Graphics 610 350 → 1050 MHz 10th Gen Intel® Core™ i3-10105 Intel® UHD Graphics 630 23 Execution Units, 350 → 1100 MHz 10th Gen Intel® Core™ i5-10400 Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 10th Gen Intel® Core™ i5-10400F Not Available 10th Gen Intel® Core™ i7-10700 Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i7-10700F Not Available 11th Gen Intel® Core™ i5-11400 Intel® UHD Graphics 730 24 Execution Units, 350 → 1300 MHz 11th Gen Intel® Core™ i5-11400F Not Available 11th Gen Intel® Core™ i7-11700 Intel® UHD Graphics 750 32 Execution Units, 350 → 1300 MHz 11th Gen Intel® Core™ i7-11700F Not Available
Discrete Graphics	NVIDIA® GeForce® GT 730 - 2GB GDDR5 GT 1030 - 2GB GDDR5 GTX 1650 SUPER - 4GB GDDR6 GTX 1660 SUPER - 6GB GDDR6
Memory	4GB 8GB 16GB 32GB 64GB Memory Slots: 2 DIMM slots Memory Type: Single or Dual Channel DDR4 Memory Memory Speed: 2666 MHz 2933 MHz Memory Per Slot: 4GB 8GB 16GB 32GB
Storage	256GB 512GB 1TB 2TB M.2 PCIe NVME SSD 1TB 2TB 7200 rpm 3.5" SATA Hard Drive
Slots	Expansion Slots 1 x PCIe x16 slot PCIe Gen 3, Full-height 1 x PCIe x1 slot PCIe Gen 3, Full-height SATA 3 x SATA slots 1 x SATA 2.0 for Slim Optical Drive 2 x SATA 3.0 for 3.5-inch, 2.5-inch hard drive. M.2 1 x M.2 2230 slot For WiFi and Bluetooth combo card 1 x M.2 2230/2280 slot For SSD/Intel Optane

Connectivity	Dell Inspiron 3891 Desktop
Wi-Fi	Qualcomm QCA9377 Up to 433 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.0 Qualcomm QCA61x4A Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.0 Intel AX201 Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi-6 (802.11ax) Bluetooth 5.1
Bluetooth	Bluetooth 5.0 Bluetooth 5.1
Ethernet	Realtek RTL8111HSD Gigabit Ethernet controller 10/100/1000 Mbps.

Software	Dell Inspiron 3891 Desktop
OS	Windows 10 Home Windows 10 Pro Windows 11 Home Windows 11 Pro Free Upgrade to Windows 11
Built-in Apps	Microsoft Office 30-day trial McAfee LiveSafe 12 Month Subscription