Tessarix PX-3938 Plus M.2 NVMe to PCIe 4.0 x4 Adapter
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3938-PLUS · Released 2022 · Updated 2026-10-25
Key facts
| Benchmark index | 1,078 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #1,621 |
| Street price | $19 |
| Power | 6 W |
| Performance per dollar | 56.74 |
| Released | 2022 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-3938 Plus |
| Type | M.2 NVMe to PCIe 4.0 x4 Adapter |
| Host interface | PCIe 4.0 x4 (passive) |
| Throughput | Up to 7,500 MB/s (drive-limited) |
| Drive support | M.2 NVMe 2230 / 2242 / 2260 / 2280 |
| Cooling | Passive heatsink |
| Bus power | Slot-powered |
| Compatibility | UEFI boot supported; check slot bifurcation |
Related guides
Similar PCIe Cards & NVMe Enclosures
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Veltrix PX-2369 Edge PCIe 4.0 x16 Riser Cable | 4,218 | $229 | Compare |
| Tessarix PX-6660 XT Dual M.2 PCIe Switch Card | 3,719 | $239 | Compare |
| Veltrix PX-2030 Ultra PCIe 4.0 x16 Riser Cable | 2,201 | $79 | Compare |
| Altrix PX-3697 Ti Quad M.2 PCIe 4.0 x16 Card | 2,365 | $89 | Compare |
| Veltrix PX-6350 Max PCIe 4.0 x16 Riser Cable | 1,449 | $39 | Compare |
| Altrix PX-4548 Plus USB4 40Gbps NVMe Enclosure | 3,825 | $239 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Tessarix PX-3938 Plus M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/1001563 (accessed 2026-10-25).