Altrix SN-7638 Max 4TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN7638-MAX · Released 2019 · Updated 2026-10-25
Key facts
| Benchmark index | 10,922 (SSDs scale) |
|---|---|
| Category rank | #23,353 |
| Street price | $369 |
| Power | 6 W (active) |
| Performance per dollar | 29.60 |
| Released | 2019 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-7638 Max |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,900 MB/s |
| Sequential write | 2,100 MB/s |
| Random 4K read | 540K IOPS |
| NAND | 3D TLC, 232-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
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-2740 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 6,705 | $109 | Compare |
| Strivon SN-4659 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $549 | Compare |
| Caldera SN-7820 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,411 | $269 | Compare |
| Caldera SN-8842 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,363 | $289 | Compare |
| Novexa SN-9260 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,127 | $479 | Compare |
| Altrix SN-3229 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,484 | $159 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-7638 Max 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2811220 (accessed 2026-10-25).