Dell Inspiron 15 3520 upgrades
Documented by Dell as the Inspiron 15 3520 (regulatory model P112F, not P106F), so check the label on your unit. It also has an SD 3.0 card reader that is not a drive upgrade slot.
- SODIMM memory slots: 2 × DDR4 SO-DIMM · up to 16 GB total · 3200 MT/s
- M.2 SSD slot (2230/2280): SSD M.2 2230 / M.2 2280 (NVMe) · up to 2 TB
- 2.5" SATA HDD bay: HDD 2.5" (SATA) · up to 2 TB
SODIMM memory slots 2 × DDR4 SO-DIMM · up to 16 GB total · 3200 MT/s
Dell lists 16 GB as the maximum total. Whether 2x16 GB works is not confirmed. Non-Type-C units run at 2666 MT/s and Type-C units at 3200 MT/s. Only matched 2x4 and 2x8 GB pairs are described as dual-channel.
| $/GB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $3.48 | $27.82 | 8 GB | Crucial 8GB DDR4-2400 SO-DIMM DDR4-2400 CL17 SO-DIMM | Used | eBay US +2 | View deal |
| $4.37 | $34.95 | 8 GB | Crucial 8GB DDR4-2400 SO-DIMM DDR4-2400 CL17 SO-DIMM | New | eBay US +2 | View deal |
| $4.37 | $69.99 | 16 GB | Crucial 16GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM | Used | eBay US +2 | View deal |
| $7.00 | $112.06 | 16 GB | Crucial 16GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM | New | eBay US +2 | View deal |
| $7.50 | $29.99 | 4 GB | Crucial 4GB DDR4-2666 SO-DIMM DDR4-2666 CL19 SO-DIMM | New | eBay US +2 | View deal |
| $8.94 | $35.78 | 4 GB | Crucial 4GB DDR4-2666 SO-DIMM DDR4-2666 CL19 SO-DIMM | Used | eBay US +1 | View deal |
M.2 SSD slot (2230/2280) SSD M.2 2230 / M.2 2280 (NVMe) · up to 2 TB
Dell lists Gen3 and Gen4 NVMe drives. 2280 is up to 2 TB, 2230 up to 1 TB. Gen4 drives may run at Gen3 speed on some CPU variants. Check which standoff position your unit uses for 2230 or 2280.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $107.50 | $215.00 | 2 TB | Crucial P3 Plus 2TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | Used | eBay US +2 | View deal |
| $119.50 | $239.00 | 2 TB | Crucial P3 Plus 2TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | New | eBay US +2 | View deal |
| $119.50 | $239.00 | 2 TB | Crucial P3 Plus 2TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | Refurbished | eBay US +1 | View deal |
| $120.00 | $120.00 | 1 TB | Crucial P3 1TB M.2 2280 NVMe (Gen3) M.2 2280 SSD · NVMe Gen3 | Used | eBay US +1 | View deal |
| $127.99 | $127.99 | 1 TB | Kingston NV3 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | Used | eBay US +2 | View deal |
| $129.99 | $129.99 | 1 TB | Crucial P3 1TB M.2 2280 NVMe (Gen3) M.2 2280 SSD · NVMe Gen3 | New | eBay US +2 | View deal |
| $148.00 | $148.00 | 1 TB | Samsung 970 EVO Plus 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen3 | Used | eBay US +2 | View deal |
| $150.00 | $150.00 | 1 TB | Samsung 990 PRO 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | Used | eBay US +2 | View deal |
| $152.64 | $305.27 | 2 TB | WD_BLACK SN850X 2TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | Used | eBay US +2 | View deal |
| $159.99 | $159.99 | 1 TB | Kingston NV3 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | New | eBay US +2 | View deal |
2.5" SATA HDD bay HDD 2.5" (SATA) · up to 2 TB
Dell lists a 5400 rpm SATA HDD up to 2 TB. Units with a 4-cell battery do not support a hard drive. A drive caddy and cable may be needed. Thickness limit is not documented. Whether an HDD and an M.2 SSD can be used together is unclear.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $59.50 | $119.00 | 2 TB | Seagate BarraCuda 2TB 2.5" 5400 RPM HDD 2.5" HDD · SATA · 5400 rpm · SMR · 7 mm | New | eBay US +2 | View deal |
| $59.50 | $119.00 | 2 TB | Seagate BarraCuda 2TB 2.5" 5400 RPM HDD 2.5" HDD · SATA · 5400 rpm · SMR · 7 mm | Used | eBay US +2 | View deal |
| $114.99 | $229.98 | 2 TB | Toshiba L200 2TB 2.5" 5400 RPM HDD (9.5 mm) 2.5" HDD · SATA · 5400 rpm · SMR · 9.5 mm | New | eBay US +1 | View deal |