Altrix SN-4921 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN4921-PLUS · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 11,680 (SSDs scale) |
|---|---|
| Category rank | #37,460 |
| Street price | $369 |
| Power | 6 W (active) |
| Performance per dollar | 31.65 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-4921 Plus |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,900 MB/s |
| Sequential write | 4,700 MB/s |
| Random 4K read | 1,360K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-2501 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,688 | $369 | Compare |
| Mirenta SN-1797 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,157 | $129 | Compare |
| Altrix SN-2609 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,119 | $329 | Compare |
| Novexa SN-1157 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,305 | $429 | Compare |
| Caldera SN-1835 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,089 | $429 | Compare |
| Mirenta SN-5299 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,656 | $199 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-4921 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6387367 (accessed 2026-10-21).