Hardware Spec Index

Caldera SN-7477 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7477-SE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index14,543 (SSDs scale)
Category rank#11,546
Street price$599
Power5 W (active)
Performance per dollar24.28
Released2023

Specifications

BrandCaldera
ModelCaldera SN-7477 SE
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,800 MB/s
Sequential write4,900 MB/s
Random 4K read1,300K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-7477 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/733922 (accessed 2026-10-20).