Hardware Spec Index

Caldera SN-1646 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1646-MAX · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index7,681 (SSDs scale)
Category rank#29,035
Street price$149
Power5 W (active)
Performance per dollar51.55
Released2022

Specifications

BrandCaldera
ModelCaldera SN-1646 Max
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write5,800 MB/s
Random 4K read740K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 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

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Cite this page: Hardware Spec Index, “Caldera SN-1646 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/10072265 (accessed 2026-10-18).