Hardware Spec Index

Caldera SN-8391 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8391-TI · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index14,785 (SSDs scale)
Category rank#16,654
Street price$539
Power10 W (active)
Performance per dollar27.43
Released2026

Specifications

BrandCaldera
ModelCaldera SN-8391 Ti
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,300 MB/s
Sequential write13,300 MB/s
Random 4K read1,960K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

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

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Cite this page: Hardware Spec Index, “Caldera SN-8391 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21362513 (accessed 2026-10-20).