Hardware Spec Index

Caldera SN-8403 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8403-XT · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index5,747 (SSDs scale)
Category rank#5,472
Street price$89
Power6 W (active)
Performance per dollar64.57
Released2026

Specifications

BrandCaldera
ModelCaldera SN-8403 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write4,400 MB/s
Random 4K read940K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance100 TBW (0.18 DWPD)
Warranty3 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-8403 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5667491 (accessed 2026-10-26).