Hardware Spec Index

Novexa SN-4256 Ultra 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4256-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index12,041 (SSDs scale)
Category rank#45,264
Street price$409
Power6 W (active)
Performance per dollar29.44
Released2019

Specifications

BrandNovexa
ModelNovexa SN-4256 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,900 MB/s
Sequential write2,700 MB/s
Random 4K read510K IOPS
NAND3D TLC, 176-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

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-7360 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD11,333$329Compare
Altrix SN-9470 Ti 2TB PCIe 5.0 NVMe M.2 2280 SSD11,488$319Compare
Caldera SN-7456 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD7,421$119Compare
Altrix SN-2103 Pro 1TB SATA 2.5-inch SSD3,593$39Compare
Altrix SN-4040 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD6,746$119Compare
Novexa SN-3627 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD9,184$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-4256 Ultra 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/600237 (accessed 2026-10-19).