Dell Precision Tower 3620 upgrades
Mini Tower and SFF chassis differ in slots, bays and PSU, so check the variant. An optional Dell Precision Ultra-Speed Drive (Duo) PCIe card adds a PCIe SSD (up to 1 TB) but was listed as coming soon, so confirm it is present on a used unit.
- DDR4 DIMM slots: 4 × DDR4 DIMM · up to 64 GB total · 2400 MT/s
- M.2 PCIe NVMe slot: SSD M.2 2280 (NVMe) · up to 1 TB
- Internal 3.5" bays (hold 3.5" or 2.5" drives): 2 × HDD / SSD 3.5" / 2.5" (SATA)
DDR4 DIMM slots 4 × DDR4 DIMM · up to 64 GB total · 2400 MT/s
Mini Tower has 4 slots; one manual version says 2, probably an SFF entry or an error. Sources don't state DIMM vs SO-DIMM; full-size DIMM is assumed. 2400 MT/s needs a 7th Gen CPU; 6th Gen runs at 2133. ECC likely needs a Xeon E3. Populate DIMM1 first.
| $/GB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $4.69 | $75.00 | 2 × 8 GB | Corsair Vengeance LPX 16GB Kit (2 × 8GB) DDR4-3200 CL16 runs at 2400 MT/s DDR4-3200 CL16 DIMM | Used | eBay US +2 | View deal |
| $4.69 | $150.00 | 2 × 16 GB | Corsair Vengeance LPX 32GB Kit (2 × 16GB) DDR4-3200 CL16 runs at 2400 MT/s DDR4-3200 CL16 DIMM | Used | eBay US +2 | View deal |
| $6.22 | $199.00 | 2 × 16 GB | Corsair Vengeance LPX 32GB Kit (2 × 16GB) DDR4-3200 CL16 runs at 2400 MT/s DDR4-3200 CL16 DIMM | New | eBay US +2 | View deal |
| $6.25 | $99.99 | 2 × 8 GB | Corsair Vengeance LPX 16GB Kit (2 × 8GB) DDR4-3200 CL16 runs at 2400 MT/s DDR4-3200 CL16 DIMM | New | eBay US | View deal |
M.2 PCIe NVMe slot SSD M.2 2280 (NVMe) · up to 1 TB
Listed as 22x80 mm PCIe NVMe, up to 1 TB per Dell. PCIe generation and lane width of the slot aren't documented, so check bandwidth before pairing it with a fast NVMe drive.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $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 |
| $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 |
| $197.86 | $197.86 | 1 TB | Samsung 970 EVO Plus 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen3 | New | eBay US +2 | View deal |
| $209.99 | $209.99 | 1 TB | Samsung 990 PRO 1TB M.2 2280 NVMe M.2 2280 SSD · NVMe Gen4 | New | eBay US +2 | View deal |
Internal 3.5" bays (hold 3.5" or 2.5" drives) 2 × HDD / SSD 3.5" / 2.5" (SATA)
Mini Tower: two bays hold two 3.5" drives or four 2.5" drives; check that brackets are included. Dell offered up to 4 TB per 3.5" drive, but these aren't documented limits. SATA 6 Gb/s with RAID 0/1/5/10. SFF has different bays. No 2.5" thickness limit is stated.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $7.50 | $59.99 | 8 TB | Seagate BarraCuda 8TB 3.5" HDD 3.5" HDD · SATA · 5400 rpm · SMR | Used | eBay US +2 | View deal |
| $19.73 | $315.68 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal |
| $31.19 | $499.00 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | Refurbished | eBay US +1 | View deal |
| $31.25 | $249.99 | 8 TB | Seagate IronWolf 8TB 3.5" NAS HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal |
| $31.25 | $500.00 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | New | eBay US +2 | View deal |
| $31.49 | $125.95 | 4 TB | Seagate IronWolf 4TB 3.5" NAS HDD 3.5" HDD · SATA · 5400 rpm | Used | eBay US +2 | View deal |
| $31.67 | $380.00 | 12 TB | Toshiba N300 12TB 3.5" NAS HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US | View deal |
| $34.37 | $274.99 | 8 TB | Seagate IronWolf 8TB 3.5" NAS HDD 3.5" HDD · SATA · 7200 rpm | New | eBay US +2 | View deal |
| $35.62 | $285.00 | 8 TB | WD Red Plus 8TB 3.5" NAS HDD 3.5" HDD · SATA · 5640 rpm | New | eBay US +2 | View deal |
| $40.60 | $162.39 | 4 TB | Seagate IronWolf 4TB 3.5" NAS HDD 3.5" HDD · SATA · 5400 rpm | New | eBay US +2 | View deal |