Hardware Spec Index

Novexa SN-4021 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4021-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index4,423 (SSDs scale)
Category rank#20,549
Street price$49
Power6 W (active)
Performance per dollar90.27
Released2025

Specifications

BrandNovexa
ModelNovexa SN-4021 Pro
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write4,400 MB/s
Random 4K read820K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-4021 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/12379635 (accessed 2026-10-19).