Hardware Spec Index

Novexa SN-6421 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Novexa · SKU SN6421-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index7,972 (SSDs scale)
Category rank#34,773
Street price$159
Power6 W (active)
Performance per dollar50.14
Released2022

Specifications

BrandNovexa
ModelNovexa SN-6421 Pro
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write4,900 MB/s
Random 4K read1,230K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance1,200 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-6421 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/7918486 (accessed 2026-10-20).