Dell Latitude 5420 SSD Slots: Configs & Upgrades
Dell Latitude 5420 packs two M.2 SSD slots for ultimate storage in 2026 enterprise setups. Supports PCIe Gen4 for blazing speeds.
Slot 1: Primary NVMe
2280 form factor, PCIe 4.0 x4. Stock 256GB-1TB.
Slot 2: Secondary M.2
Also 2280, supports SATA or NVMe. Ideal for RAID0.
Max Capacity Supported
Officially 4TB per slot (8TB total). 8TB+ works.
- Samsung 990 Pro 4TB
- WD Black SN850X
Upgrade Procedure
1. Disable BitLocker.
2. Remove bottom screws.
3. Pop battery, swap drives.
4. Clone with Macrium Reflect.
RAID Configurations
BIOS enables RAID1 mirror or RAID0 stripe (7000MB/s reads).
Warranty & Compatibility
Dell-certified drives preserve warranty. Gen3 backward compatible.
2026 Benchmarks
2x4TB RAID0: 6500/6000 MB/s seq. PCMark +25%.