Hardware Spec Index

Caldera SN-6446 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6446-CORE · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index5,063 (SSDs scale)
Category rank#40,766
Street price$59
Power8 W (active)
Performance per dollar85.81
Released2020

Specifications

BrandCaldera
ModelCaldera SN-6446 Core
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write4,700 MB/s
Random 4K read890K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-6446 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/546173 (accessed 2026-10-24).