Hardware Spec Index

Caldera SN-6440 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6440-MAX · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index8,591 (SSDs scale)
Category rank#39,155
Street price$199
Power5 W (active)
Performance per dollar43.17
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6440 Max
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write7,100 MB/s
Random 4K read930K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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-6440 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/61676160 (accessed 2026-10-20).