Hardware Spec Index

Novexa SN-4991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4991-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index8,418 (SSDs scale)
Category rank#29,121
Street price$169
Power5 W (active)
Performance per dollar49.81
Released2025

Specifications

BrandNovexa
ModelNovexa SN-4991 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write5,000 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 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-4991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/289453 (accessed 2026-10-20).