Hardware Spec Index

Caldera SN-7690 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7690-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index14,757 (SSDs scale)
Category rank#3,772
Street price$559
Power9 W (active)
Performance per dollar26.40
Released2026

Specifications

BrandCaldera
ModelCaldera SN-7690 Prime
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read13,400 MB/s
Sequential write11,100 MB/s
Random 4K read2,410K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-7690 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6552969 (accessed 2026-10-19).