Hardware Spec Index

Caldera SN-3666 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3666-PRIME · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index4,842 (SSDs scale)
Category rank#23,395
Street price$59
Power8 W (active)
Performance per dollar82.07
Released2026

Specifications

BrandCaldera
ModelCaldera SN-3666 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write4,600 MB/s
Random 4K read900K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 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

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-4428 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD11,444$379Compare
Mirenta SN-5637 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD9,516$249Compare
Altrix SN-7810 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD11,157$269Compare
Altrix SN-2837 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD5,120$59Compare
Caldera SN-6928 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD7,025$109Compare
Altrix SN-2496 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,103$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3666 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4727475 (accessed 2026-10-25).