Hardware Spec Index

Caldera SN-3639 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3639-PLUS · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index10,317 (SSDs scale)
Category rank#17,778
Street price$279
Power7 W (active)
Performance per dollar36.98
Released2026

Specifications

BrandCaldera
ModelCaldera SN-3639 Plus
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write6,000 MB/s
Random 4K read800K IOPS
NAND3D TLC, 176-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-3639 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5032230 (accessed 2026-10-24).