Hardware Spec Index

Caldera SN-1558 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1558-XT · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index13,929 (SSDs scale)
Category rank#17,718
Street price$459
Power5 W (active)
Performance per dollar30.35
Released2022

Specifications

BrandCaldera
ModelCaldera SN-1558 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write4,700 MB/s
Random 4K read1,080K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-1558 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/43037001 (accessed 2026-10-26).