Hardware Spec Index

Caldera SN-3639 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3639-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index6,540 (SSDs scale)
Category rank#9,316
Street price$89
Power5 W (active)
Performance per dollar73.48
Released2025

Specifications

BrandCaldera
ModelCaldera SN-3639 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,800 MB/s
Sequential write4,500 MB/s
Random 4K read860K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance300 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 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7972364 (accessed 2026-10-20).