Hardware Spec Index

Caldera SN-6473 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN6473-PLUS · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index4,607 (SSDs scale)
Category rank#1,857
Street price$49
Power5 W (active)
Performance per dollar94.02
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6473 Plus
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write4,400 MB/s
Random 4K read720K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 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-6473 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/14799561 (accessed 2026-10-19).