Hardware Spec Index

Caldera SN-2591 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2591-TI · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index6,526 (SSDs scale)
Category rank#27,410
Street price$109
Power8 W (active)
Performance per dollar59.87
Released2023

Specifications

BrandCaldera
ModelCaldera SN-2591 Ti
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,800 MB/s
Random 4K read920K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance200 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-2591 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/43662722 (accessed 2026-10-20).