Hardware Spec Index

Caldera SN-1557 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1557-EDGE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index6,751 (SSDs scale)
Category rank#16,840
Street price$109
Power8 W (active)
Performance per dollar61.94
Released2023

Specifications

BrandCaldera
ModelCaldera SN-1557 Edge
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write4,700 MB/s
Random 4K read730K IOPS
NAND3D QLC, 238-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-1557 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2978296 (accessed 2026-10-22).