Hardware Spec Index

Caldera SN-8558 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8558-PLUS · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index10,888 (SSDs scale)
Category rank#17,767
Street price$349
Power4 W (active)
Performance per dollar31.20
Released2019

Specifications

BrandCaldera
ModelCaldera SN-8558 Plus
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,400 MB/s
Sequential write1,800 MB/s
Random 4K read430K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-8558 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/69026531 (accessed 2026-10-26).