Hardware Spec Index

Caldera SN-7956 Edge 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7956-EDGE · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index13,116 (SSDs scale)
Category rank#7,529
Street price$429
Power6 W (active)
Performance per dollar30.57
Released2019

Specifications

BrandCaldera
ModelCaldera SN-7956 Edge
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,300 MB/s
Sequential write3,000 MB/s
Random 4K read490K 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

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Cite this page: Hardware Spec Index, “Caldera SN-7956 Edge 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2501946 (accessed 2026-10-24).