Altrix SN-2821 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN2821-ULTRA · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 5,342 (SSDs scale) |
|---|---|
| Category rank | #43,411 |
| Street price | $59 |
| Power | 5 W (active) |
| Performance per dollar | 90.54 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-2821 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 4,900 MB/s |
| Random 4K read | 1,110K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.55 DWPD) |
| Warranty | 3 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 |
|---|---|---|---|
| Strivon SN-7791 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,774 | $319 | Compare |
| Novexa SN-5652 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,961 | $469 | Compare |
| Caldera SN-1837 Plus 500GB SATA 2.5-inch SSD | 4,223 | $39 | Compare |
| Altrix SN-9977 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,738 | $429 | Compare |
| Caldera SN-6034 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,028 | $459 | Compare |
| Novexa SN-1964 Edge 500GB SATA 2.5-inch SSD | 3,974 | $39 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-2821 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/27198 (accessed 2026-10-19).