Hardware Spec Index

Novexa SN-6477 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6477-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index12,316 (SSDs scale)
Category rank#24,166
Street price$499
Power6 W (active)
Performance per dollar24.68
Released2022

Specifications

BrandNovexa
ModelNovexa SN-6477 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write4,700 MB/s
Random 4K read880K IOPS
NAND3D TLC, 238-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-6477 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1666025 (accessed 2026-10-24).