The Dell Inspiron 14 (3421) uses memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type
Base Memory 4GB (Removable) or 6GB (Removable) or 8GB (Removable)
Upgrade Slots 2 Socket(s)
Maximum Memory 8GB
Maximum Module Size 4GB
CPU & Chipset Intel Core i3 / Intel HM76 Intel Core i5 / Intel HM76 Intel Core i7 / Intel HM76
Bus Architecture Flash - SDXC; SSD - SATA 2.5-inch 9.5mm; USB 2.0/3.x Type-A
Notes Important: MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.
Manufacturer Part Numbers
  • N/A
Part Number 73.5C9
1600MHz 204pin CL9
Call to Order
$10.99
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Part Number 731C9
1600MHz 204pin CL9
Unavailable
$10.99
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Part Number 73.5C9H
1600MHz 204pin CL9
Call to Order
$17.99
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Part Number 731C9H
1600MHz 204pin CL9
Unavailable
$17.99
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Part Number 732C9
1600MHz 204pin CL9
In Stock
$18.99
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Part Number 731C9-2
1600MHz 204pin CL9
Unavailable
$21.99
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Part Number 734C9
1600MHz 204pin CL9
In Stock
$23.99
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Part Number 742C9
1866MHz 204pin CL9
Call to Order
$24.99
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Part Number 732C9H
1600MHz 204pin CL9
In Stock
$29.99
View Product
Part Number 74.5C9
1866MHz 204pin CL9
Unavailable
$30.99
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Part Number 731C9-2H
1600MHz 204pin CL9
Unavailable
$34.99
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Part Number 732C9-2
1600MHz 204pin CL9
In Stock
$37.99
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Part Number 734C9H
1600MHz 204pin CL9
In Stock
$37.99
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Part Number 742C9H
1866MHz 204pin CL9
Call to Order
$39.99
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Part Number 734C9-2
1600MHz 204pin CL9
In Stock
$46.99
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Part Number 74.5C9H
1866MHz 204pin CL9
Unavailable
$49.99
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Part Number 742C9-2
1866MHz 204pin CL9
Call to Order
$49.99
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Part Number 744C9
1866MHz 204pin CL9
Call to Order
$51.99
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Part Number 741C9
1866MHz 204pin CL9
In Stock
$54.99
View Product
Part Number 732C9-2H
1600MHz 204pin CL9
In Stock
$59.99
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Part Number 734C9-2H
1600MHz 204pin CL9
In Stock
$74.99
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Part Number 742C9-2H
1866MHz 204pin CL9
Call to Order
$79.99
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Part Number 744C9H
1866MHz 204pin CL9
Call to Order
$82.99
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Part Number 741C9H
1866MHz 204pin CL9
In Stock
$87.99
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Part Number SSD/60G
Call to Order
$92.99
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Part Number 744C9-2
1866MHz 204pin CL9
Call to Order
$102.99
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Part Number 741C9-2
1866MHz 204pin CL9
In Stock
$108.99
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Part Number SSD/60GH
Call to Order
$149.99
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Part Number 744C9-2H
1866MHz 204pin CL9
Call to Order
$164.99
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Part Number 741C9-2H
1866MHz 204pin CL9
In Stock
$174.99
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Part Number 734C9-2
1600MHz 204pin CL9
In Stock
$46.99
View Product
Part Number 734C9-2H
1600MHz 204pin CL9
In Stock
$74.99
View Product
Part Number 744C9-2
1866MHz 204pin CL9
Call to Order
$102.99
View Product
Part Number 744C9-2H
1866MHz 204pin CL9
Call to Order
$164.99
View Product
Part Number 734C9
1600MHz 204pin CL9
In Stock
$23.99
View Product
Part Number 732C9-2
1600MHz 204pin CL9
In Stock
$37.99
View Product
Part Number 734C9H
1600MHz 204pin CL9
In Stock
$37.99
View Product
Part Number 742C9-2
1866MHz 204pin CL9
Call to Order
$49.99
View Product
Part Number 744C9
1866MHz 204pin CL9
Call to Order
$51.99
View Product
Part Number 732C9-2H
1600MHz 204pin CL9
In Stock
$59.99
View Product
Part Number 742C9-2H
1866MHz 204pin CL9
Call to Order
$79.99
View Product
Part Number 744C9H
1866MHz 204pin CL9
Call to Order
$82.99
View Product
Part Number 732C9
1600MHz 204pin CL9
In Stock
$18.99
View Product
Part Number 731C9-2
1600MHz 204pin CL9
Unavailable
$21.99
View Product
Part Number 742C9
1866MHz 204pin CL9
Call to Order
$24.99
View Product
Part Number 732C9H
1600MHz 204pin CL9
In Stock
$29.99
View Product
Part Number 731C9-2H
1600MHz 204pin CL9
Unavailable
$34.99
View Product
Part Number 742C9H
1866MHz 204pin CL9
Call to Order
$39.99
View Product
Part Number 741C9-2
1866MHz 204pin CL9
In Stock
$108.99
View Product
Part Number 741C9-2H
1866MHz 204pin CL9
In Stock
$174.99
View Product
Part Number 731C9
1600MHz 204pin CL9
Unavailable
$10.99
View Product
Part Number 731C9H
1600MHz 204pin CL9
Unavailable
$17.99
View Product
Part Number 741C9
1866MHz 204pin CL9
In Stock
$54.99
View Product
Part Number 741C9H
1866MHz 204pin CL9
In Stock
$87.99
View Product
Part Number 73.5C9
1600MHz 204pin CL9
Call to Order
$10.99
View Product
Part Number 73.5C9H
1600MHz 204pin CL9
Call to Order
$17.99
View Product
Part Number 74.5C9
1866MHz 204pin CL9
Unavailable
$30.99
View Product
Part Number 74.5C9H
1866MHz 204pin CL9
Unavailable
$49.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTD-L3CS/4G 4GB DDR3 PC3-12800 1600MHz SODIMM Kingston 734C9
KHX1866C11S3P1K2/8G 8GB Kit of 2 4GB DDR3 PC3-14900 1866MHz SODIMM Kingston 744C9-2
KHX16S9P1/4 4GB DDR3 PC3-12800 1600MHz SODIMM Kingston 734C9
KHX1600C9S3P1K2/8G 8GB Kit of 2 4GB DDR3 PC3-12800 1600MHz SODIMM Kingston 734C9-2
SH103S3B/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SKC300S3B7A/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SV300S3D7/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SV310S3B7A/960G 960GB SSDNow V310 SATA 3 2.5 (7mm height) Upgrade Bundle Kit w/Adapter Bundle Kit,SATA3 (6Gbps),V310 Series, SSD 2.5-inch 7mm Kingston
SV310S3D7/960G 960GB SSDNow V310 SATA 3 2.5 (7mm height) Desktop Bundle Kit Desktop Bundle Kit,SATA3 (6Gbps),V310 Series, SSD 2.5-inch 7mm Kingston
SV310S3N7A/960G 960GB SSDNow V310 SATA 3 2.5 (7mm height) Notebook Bundle Kit w/Adp Notebook Bundle Kit,SATA3 (6Gbps),V310 Series, SSD 2.5-inch 7mm Kingston
SHSS3B7A/960G 960GB HyperX SAVAGE SSD SATA 3 2.5 Bundle Kit Bundle Kit,HyperX Savage,SATA3 (6Gbps), SSD 2.5-inch 7mm Kingston
SKC310S3B7A/960G 960GB SSDNow KC310 SSD SATA 3 2.5 (7mm height) Upgrade Bundle Kit Bundle Kit,KC310 Series,SATA3 (6Gbps), SSD 2.5-inch 7mm Kingston
SKC310S37A/960G 60GB Solid State Drive Kingston SSD/60G