Hardware Spec Index

Novexa SN-4558 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4558-PLUS · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index4,587 (SSDs scale)
Category rank#28,655
Street price$59
Power7 W (active)
Performance per dollar77.75
Released2025

Specifications

BrandNovexa
ModelNovexa SN-4558 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,100 MB/s
Random 4K read970K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.55 DWPD)
Warranty3 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-4558 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8977484 (accessed 2026-10-19).