Hardware Spec Index

Caldera SN-1091 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1091-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index7,720 (SSDs scale)
Category rank#12,537
Street price$129
Power4 W (active)
Performance per dollar59.84
Released2019

Specifications

BrandCaldera
ModelCaldera SN-1091 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,100 MB/s
Sequential write1,900 MB/s
Random 4K read380K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 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 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/62818029 (accessed 2026-10-23).