Hardware Spec Index

Caldera SN-1855 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1855-MAX · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index12,698 (SSDs scale)
Category rank#39,930
Street price$489
Power8 W (active)
Performance per dollar25.97
Released2021

Specifications

BrandCaldera
ModelCaldera SN-1855 Max
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,600 MB/s
Random 4K read1,090K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-1855 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/94514491 (accessed 2026-10-25).