Hardware Spec Index

Caldera SN-3521 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3521-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index13,181 (SSDs scale)
Category rank#2,869
Street price$479
Power5 W (active)
Performance per dollar27.52
Released2022

Specifications

BrandCaldera
ModelCaldera SN-3521 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,800 MB/s
Sequential write6,500 MB/s
Random 4K read1,260K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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-3521 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/12920744 (accessed 2026-10-23).