Hardware Spec Index

Caldera SN-1091 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1091-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index7,999 (SSDs scale)
Category rank#35,800
Street price$139
Power7 W (active)
Performance per dollar57.55
Released2025

Specifications

BrandCaldera
ModelCaldera SN-1091 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write4,600 MB/s
Random 4K read730K IOPS
NAND3D QLC, 232-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-1091 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/15923596 (accessed 2026-10-21).