Hardware Spec Index

Novexa SN-5403 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN5403-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index14,029 (SSDs scale)
Category rank#38,197
Street price$549
Power8 W (active)
Performance per dollar25.55
Released2020

Specifications

BrandNovexa
ModelNovexa SN-5403 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write4,700 MB/s
Random 4K read1,100K IOPS
NAND3D TLC, 218-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, “Novexa SN-5403 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7436859 (accessed 2026-10-21).