Hardware Spec Index

Caldera SN-3491 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3491-PRIME · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index13,132 (SSDs scale)
Category rank#35,065
Street price$389
Power5 W (active)
Performance per dollar33.76
Released2019

Specifications

BrandCaldera
ModelCaldera SN-3491 Prime
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,400 MB/s
Random 4K read560K 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-3491 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/73034454 (accessed 2026-10-27).