Hardware Spec Index

Caldera SN-3156 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3156-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index8,000 (SSDs scale)
Category rank#7,891
Street price$129
Power7 W (active)
Performance per dollar62.02
Released2021

Specifications

BrandCaldera
ModelCaldera SN-3156 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write5,500 MB/s
Random 4K read880K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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-3156 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/81316739 (accessed 2026-10-26).