Hardware Spec Index

Novexa SN-5421 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN5421-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index9,816 (SSDs scale)
Category rank#31,058
Street price$259
Power7 W (active)
Performance per dollar37.90
Released2023

Specifications

BrandNovexa
ModelNovexa SN-5421 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write5,000 MB/s
Random 4K read1,350K 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, “Novexa SN-5421 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/94864067 (accessed 2026-10-24).