Altrix SN-4891 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN4891-XT · Released 2019 · Updated 2026-10-26
Key facts
| Benchmark index | 12,979 (SSDs scale) |
|---|---|
| Category rank | #46,029 |
| Street price | $509 |
| Power | 4 W (active) |
| Performance per dollar | 25.50 |
| Released | 2019 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-4891 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 3,000 MB/s |
| Sequential write | 2,400 MB/s |
| Random 4K read | 520K IOPS |
| NAND | 3D TLC, 238-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
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| Altrix SN-1551 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,827 | $289 | Compare |
| Altrix SN-3465 Ti 8TB PCIe 3.0 NVMe M.2 2280 SSD | 12,689 | $449 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-4891 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1040883 (accessed 2026-10-26).