Hardware Spec Index

Novexa SN-3943 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN3943-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index13,338 (SSDs scale)
Category rank#25,530
Street price$499
Power5 W (active)
Performance per dollar26.73
Released2021

Specifications

BrandNovexa
ModelNovexa SN-3943 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write5,400 MB/s
Random 4K read1,330K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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-3943 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4258599 (accessed 2026-10-21).