Altrix SN-1645 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN1645-XT · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 14,041 (SSDs scale) |
|---|---|
| Category rank | #9,641 |
| Street price | $529 |
| Power | 8 W (active) |
| Performance per dollar | 26.54 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-1645 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,700 MB/s |
| Random 4K read | 760K IOPS |
| NAND | 3D TLC, 238-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 |
|---|---|---|---|
| Novexa SN-2083 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,313 | $339 | Compare |
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| Altrix SN-3268 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,457 | $429 | Compare |
| Mirenta SN-9283 XT 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,774 | $469 | Compare |
| Altrix SN-9984 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,926 | $349 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-1645 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4627201 (accessed 2026-10-21).