Hardware Spec Index

Caldera SN-4390 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4390-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index6,894 (SSDs scale)
Category rank#3,867
Street price$119
Power7 W (active)
Performance per dollar57.93
Released2026

Specifications

BrandCaldera
ModelCaldera SN-4390 Plus
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,600 MB/s
Random 4K read1,320K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance400 TBW (0.18 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-4390 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21824906 (accessed 2026-10-25).