Hardware Spec Index

Caldera SN-9490 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9490-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index6,064 (SSDs scale)
Category rank#49,857
Street price$79
Power5 W (active)
Performance per dollar76.76
Released2019

Specifications

BrandCaldera
ModelCaldera SN-9490 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,000 MB/s
Random 4K read350K 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-9490 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/89026797 (accessed 2026-10-23).