Hardware Spec Index

Caldera SN-6821 Core 500GB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN6821-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index4,547 (SSDs scale)
Category rank#939
Street price$59
Power6 W (active)
Performance per dollar77.07
Released2025

Specifications

BrandCaldera
ModelCaldera SN-6821 Core
Capacity500 GB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write3,000 MB/s
Random 4K read930K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-6821 Core 500GB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/24679670 (accessed 2026-10-19).