Hardware Spec Index

Caldera SN-3866 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3866-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index11,758 (SSDs scale)
Category rank#9,651
Street price$359
Power8 W (active)
Performance per dollar32.75
Released2026

Specifications

BrandCaldera
ModelCaldera SN-3866 Prime
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,300 MB/s
Sequential write9,600 MB/s
Random 4K read1,860K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 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
Caldera SN-8064 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD13,068$379Compare
Caldera SN-3891 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD13,132$479Compare
Caldera SN-9965 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD8,459$189Compare
Caldera SN-2666 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD10,645$289Compare
Mirenta SN-7600 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD4,967$59Compare
Altrix SN-9200 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD11,236$319Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3866 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20129933 (accessed 2026-10-19).