Novexa SN-8403 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN8403-XT · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 14,062 (SSDs scale) |
|---|---|
| Category rank | #42,090 |
| Street price | $529 |
| Power | 6 W (active) |
| Performance per dollar | 26.58 |
| Released | 2023 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-8403 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,400 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 930K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | None |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-5512 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,281 | $599 | Compare |
| Caldera SN-8508 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,546 | $349 | Compare |
| Altrix SN-6877 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,660 | $149 | Compare |
| Strivon SN-6161 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,298 | $139 | Compare |
| Novexa SN-1185 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 10,994 | $299 | Compare |
| Strivon SN-6685 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,580 | $479 | Compare |
Cite this page: Hardware Spec Index, “Novexa SN-8403 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7384347 (accessed 2026-10-21).