Altrix SN-5551 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN5551-PLUS · Released 2025 · Updated 2026-10-22
Key facts
| Benchmark index | 9,674 (SSDs scale) |
|---|---|
| Category rank | #26,712 |
| Street price | $279 |
| Power | 8 W (active) |
| Performance per dollar | 34.67 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-5551 Plus |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 810K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Heatsink edition available |
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-5929 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,642 | $549 | Compare |
| Strivon SN-9661 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,502 | $439 | Compare |
| Altrix SN-2633 SE 500GB SATA 2.5-inch SSD | 3,824 | $39 | Compare |
| Caldera SN-6375 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,856 | $399 | Compare |
| Altrix SN-5178 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,608 | $489 | Compare |
| Novexa SN-3277 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD | 13,012 | $429 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-5551 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/74892860 (accessed 2026-10-22).