Hardware Spec Index

Caldera SN-6728 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6728-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index10,467 (SSDs scale)
Category rank#12,027
Street price$269
Power11 W (active)
Performance per dollar38.91
Released2025

Specifications

BrandCaldera
ModelCaldera SN-6728 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read13,500 MB/s
Sequential write10,700 MB/s
Random 4K read1,780K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-6728 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/83675759 (accessed 2026-10-21).