Hardware Spec Index

Caldera SN-7478 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7478-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index4,353 (SSDs scale)
Category rank#11,970
Street price$49
Power5 W (active)
Performance per dollar88.84
Released2026

Specifications

BrandCaldera
ModelCaldera SN-7478 Prime
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write2,700 MB/s
Random 4K read990K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 DWPD)
Warranty3 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-7478 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/29957131 (accessed 2026-10-24).