Altrix SN-9991 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN9991-XT · Released 2022 · Updated 2026-10-26
Key facts
| Benchmark index | 14,232 (SSDs scale) |
|---|---|
| Category rank | #42,692 |
| Street price | $559 |
| Power | 8 W (active) |
| Performance per dollar | 25.46 |
| Released | 2022 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-9991 XT |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,700 MB/s |
| Sequential write | 4,300 MB/s |
| Random 4K read | 740K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 8 GB |
| Endurance | 4,800 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 |
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| Strivon SN-7057 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,120 | $219 | Compare |
| Altrix SN-3644 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,585 | $339 | Compare |
| Novexa SN-9924 Edge 1TB SATA 2.5-inch SSD | 3,127 | $39 | Compare |
| Caldera SN-5273 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,473 | $169 | Compare |
| Altrix SN-9184 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,420 | $479 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-9991 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7582435 (accessed 2026-10-26).