Hardware Spec Index

Novexa SN-4977 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4977-ULTRA · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index6,664 (SSDs scale)
Category rank#15,105
Street price$99
Power5 W (active)
Performance per dollar67.31
Released2019

Specifications

BrandNovexa
ModelNovexa SN-4977 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,300 MB/s
Sequential write2,400 MB/s
Random 4K read600K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 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-4977 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2000916 (accessed 2026-10-18).