Hardware Spec Index

Caldera SN-7277 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7277-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index10,955 (SSDs scale)
Category rank#15,216
Street price$319
Power5 W (active)
Performance per dollar34.34
Released2020

Specifications

BrandCaldera
ModelCaldera SN-7277 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write5,300 MB/s
Random 4K read1,070K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-7277 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/464289 (accessed 2026-10-19).