Hardware Spec Index

Novexa SN-1678 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN1678-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index10,476 (SSDs scale)
Category rank#7,736
Street price$259
Power8 W (active)
Performance per dollar40.45
Released2025

Specifications

BrandNovexa
ModelNovexa SN-1678 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,600 MB/s
Random 4K read1,130K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-4042 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,766$229Compare
Novexa SN-8942 Plus 500GB SATA 2.5-inch SSD3,797$39Compare
Novexa SN-8939 Edge 1TB PCIe 3.0 NVMe M.2 2280 SSD6,451$89Compare
Altrix SN-9351 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD10,761$299Compare
Caldera SN-4243 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,841$219Compare
Mirenta SN-5661 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD8,776$189Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-1678 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1693447 (accessed 2026-10-25).