Side-by-side spec and price comparison. Live data from Amazon US.
Samsung PM1643 3.84TB SAS SSD wins on both price ($155.99/TB) and warranty (5 years).
Samsung PM1643 offers better value at $155.99/TB vs $377.60/TB - a 59% price difference. Factor in warranty length and workload rating when the price gap is small.
Mixing drives of different models in RAID is not recommended even if capacities match. Different firmware, error handling and seek patterns can cause rebuild issues. Use identical drives within the same RAID group for reliable operation.
Samsung PM1643 carries a longer 5-year warranty vs unknown years for Dell 3.84TB. Both are enterprise-grade drives built for 24/7 operation.
Dell 3.84TB is the better fit for NAS storage. SAS interface requires a SAS HBA or SAS-capable NAS.