Hardware Spec Index

Caldera SN-3681 Prime 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN3681-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index8,637 (SSDs scale)
Category rank#25,897
Street price$199
Power7 W (active)
Performance per dollar43.40
Released2025

Specifications

BrandCaldera
ModelCaldera SN-3681 Prime
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write4,900 MB/s
Random 4K read1,120K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-3681 Prime 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/22552289 (accessed 2026-10-26).