Hardware Spec Index

Novexa SN-1645 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN1645-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index11,736 (SSDs scale)
Category rank#43,773
Street price$429
Power10 W (active)
Performance per dollar27.36
Released2025

Specifications

BrandNovexa
ModelNovexa SN-1645 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read11,900 MB/s
Sequential write9,300 MB/s
Random 4K read2,760K IOPS
NAND3D TLC, 232-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-2752 Edge 500GB PCIe 4.0 NVMe M.2 2230 SSD4,928$59Compare
Novexa SN-8453 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,101$229Compare
Caldera SN-6033 Pro 1TB PCIe 4.0 NVMe M.2 2230 SSD7,786$139Compare
Novexa SN-4736 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD7,679$149Compare
Novexa SN-6497 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD11,923$319Compare
Novexa SN-7816 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,431$269Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-1645 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1728895 (accessed 2026-10-20).