Hardware Spec Index

Caldera SN-7550 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7550-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index5,106 (SSDs scale)
Category rank#39,573
Street price$59
Power6 W (active)
Performance per dollar86.54
Released2019

Specifications

BrandCaldera
ModelCaldera SN-7550 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,100 MB/s
Sequential write2,800 MB/s
Random 4K read420K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 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-7550 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/11964482 (accessed 2026-10-23).