Hardware Spec Index

Caldera SN-6402 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6402-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index13,811 (SSDs scale)
Category rank#46,243
Street price$489
Power10 W (active)
Performance per dollar28.24
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6402 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,500 MB/s
Sequential write12,000 MB/s
Random 4K read2,510K IOPS
NAND3D TLC, 232-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-4377 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD5,398$79Compare
Altrix SN-5474 Prime 1TB SATA 2.5-inch SSD4,601$39Compare
Caldera SN-8607 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD7,424$119Compare
Altrix SN-7173 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD14,881$509Compare
Mirenta SN-8854 Ultra 500GB SATA 2.5-inch SSD4,136$49Compare
Caldera SN-6928 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD6,698$109Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6402 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/69727173 (accessed 2026-10-20).