Hardware Spec Index

Caldera SN-1656 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1656-CORE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index12,975 (SSDs scale)
Category rank#19,065
Street price$399
Power7 W (active)
Performance per dollar32.52
Released2023

Specifications

BrandCaldera
ModelCaldera SN-1656 Core
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write4,000 MB/s
Random 4K read1,100K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-1656 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/36470 (accessed 2026-10-19).