Altrix SN-6149 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN6149-ULTRA · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 11,083 (SSDs scale) |
|---|---|
| Category rank | #1,398 |
| Street price | $329 |
| Power | 7 W (active) |
| Performance per dollar | 33.69 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-6149 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,500 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,240K 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 |
|---|---|---|---|
| Mirenta SN-3579 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,074 | $519 | Compare |
| Strivon SN-4175 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 10,305 | $239 | Compare |
| Caldera SN-2488 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 10,560 | $289 | Compare |
| Altrix SN-6847 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,162 | $369 | Compare |
| Caldera SN-4077 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD | 12,390 | $399 | Compare |
| Novexa SN-4021 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,037 | $149 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-6149 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/33036029 (accessed 2026-10-25).