Altrix SN-6661 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN6661-PLUS · Released 2020 · Updated 2026-10-23
Key facts
| Benchmark index | 13,225 (SSDs scale) |
|---|---|
| Category rank | #18,539 |
| Street price | $519 |
| Power | 5 W (active) |
| Performance per dollar | 25.48 |
| Released | 2020 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-6661 Plus |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,400 MB/s |
| Sequential write | 6,900 MB/s |
| Random 4K read | 1,110K IOPS |
| NAND | 3D TLC, 218-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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| Model | Benchmark | Price | Compare |
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| Altrix SN-2549 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,644 | $309 | Compare |
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| Strivon SN-5054 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,947 | $519 | Compare |
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| Altrix SN-2840 Prime 4TB PCIe 3.0 NVMe M.2 2280 SSD | 14,588 | $559 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-6661 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6855657 (accessed 2026-10-23).