Altrix SN-6851 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN6851-XT · Released 2021 · Updated 2026-10-26
Key facts
| Benchmark index | 13,334 (SSDs scale) |
|---|---|
| Category rank | #28,176 |
| Street price | $419 |
| Power | 8 W (active) |
| Performance per dollar | 31.82 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-6851 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,800 MB/s |
| Sequential write | 4,300 MB/s |
| Random 4K read | 790K 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
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| Mirenta SN-8984 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,569 | $499 | Compare |
| Mirenta SN-7328 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,407 | $359 | Compare |
| Caldera SN-1354 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,751 | $259 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-6851 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/13815399 (accessed 2026-10-26).