Tessarix PX-3821 SE Dual M.2 PCIe Switch Card
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3821-SE · Released 2026 · Updated 2026-10-20
Key facts
| Benchmark index | 3,945 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #30,442 |
| Street price | $239 |
| Power | 6 W |
| Performance per dollar | 16.51 |
| Released | 2026 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-3821 SE |
| Type | Dual M.2 PCIe Switch Card |
| Host interface | PCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed) |
| Throughput | Up to 14,000 MB/s aggregate |
| Drive support | M.2 NVMe 2230 / 2242 / 2260 / 2280 |
| Cooling | Heatsink + 40 mm fan |
| Bus power | Slot-powered |
| Compatibility | UEFI boot supported; check slot bifurcation |
Related guides
Similar PCIe Cards & NVMe Enclosures
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Tessarix PX-3490 Pro Dual M.2 PCIe Switch Card | 3,998 | $219 | Compare |
| Veltrix PX-7816 Pro PCIe 4.0 x16 Riser Cable | 1,039 | $29 | Compare |
| Altrix PX-9162 Core Dual M.2 PCIe Switch Card | 5,228 | $319 | Compare |
| Tessarix PX-2665 XT PCIe 5.0 x16 Riser Cable | 3,840 | $189 | Compare |
| Veltrix PX-9207 Plus USB 3.2 Gen 2 NVMe Enclosure | 2,000 | $69 | Compare |
| Tessarix PX-7792 Pro Dual M.2 PCIe Switch Card | 5,135 | $329 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Tessarix PX-3821 SE Dual M.2 PCIe Switch Card”, https://vextor7.com/item/83675333 (accessed 2026-10-20).