Dell Inspiron 14 7400 upgrade guide
The RAM is soldered, so it cannot be upgraded.
The SSD can be upgraded. 1 M.2 SSD slot.
Parts that fit this laptop
Fit notes call out details that matter, including faster memory and SSD heatsinks.
Crucial T500 2TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · This drive supports PCIe 4.0. The laptop's slot is PCIe 3.0, so it runs at that speed.
Samsung 990 PRO 2TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · This drive supports PCIe 4.0. The laptop's slot is PCIe 3.0, so it runs at that speed.
WD_BLACK SN850X 1TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · This drive supports PCIe 4.0. The laptop's slot is PCIe 3.0, so it runs at that speed.
WD_BLACK SN850X 1TB with heatsink
M.2 2280 · PCIe 4.0 NVMe · with heatsink · This drive has a heatsink. We have not confirmed the clearance in this laptop, so check it before installing.
Full specs and sources
Each value shows its status and links to the manufacturer's documentation once verified.
| Spec | Value | Status | Source |
|---|---|---|---|
| Memory type | LPDDR4x | Verified | |
| Soldered memory | Onboard memory | Verified | |
| Maximum memory | 16 GB | Verified | |
| SSD slots | One M.2 2230/2280 slot | Verified | |
| SSD form factor | M.2 2230, M.2 2280 | Verified | |
| SSD interface | PCIe Gen3 x4 NVMe | Verified |
Did your upgrade work?
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Before you open the cover
Short answers to the details most likely to affect your purchase.
Will upgrading void my warranty?
Warranty terms depend on your region and the cause of any damage. Read Dell's current terms and follow its service manual before working inside the laptop.