Hardware Spec Index

Caldera SN-2166 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2166-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index9,369 (SSDs scale)
Category rank#21,954
Street price$239
Power7 W (active)
Performance per dollar39.20
Released2021

Specifications

BrandCaldera
ModelCaldera SN-2166 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write3,900 MB/s
Random 4K read1,200K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Altrix SN-2785 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,152$79Compare
Mirenta SN-7853 SE 500GB PCIe 3.0 NVMe M.2 2280 SSD5,591$69Compare
Caldera SN-6123 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD14,299$479Compare
Caldera SN-6766 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD11,456$359Compare
Altrix SN-4028 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD5,393$59Compare
Caldera SN-5154 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,729$49Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2166 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7121356 (accessed 2026-10-19).