Altrix SN-3999 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN3999-XT · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 7,254 (SSDs scale) |
|---|---|
| Category rank | #17,383 |
| Street price | $129 |
| Power | 8 W (active) |
| Performance per dollar | 56.23 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-3999 XT |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,800 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,030K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 720 TBW (0.33 DWPD) |
| Warranty | 3 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-4045 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,221 | $339 | Compare |
| Novexa SN-4602 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,201 | $239 | Compare |
| Mirenta SN-8796 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,830 | $539 | Compare |
| Altrix SN-4102 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,243 | $559 | Compare |
| Mirenta SN-1301 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD | 10,351 | $289 | Compare |
| Novexa SN-1118 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,290 | $409 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-3999 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/11411925 (accessed 2026-10-20).