Find drivers for your S-TECH network cards and PCI Express expansion cards. Search by model number or browse the categories below.
Search: Enter your model number or chipset
Filter by: Product Category · Operating System
Your model number is printed on the product label or packaging. Before downloading, check that the driver supports your exact model and operating system.
Network Interface Cards / LAN Cards
Intel Chipset Network Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-I210-T1 | Single-Port Gigabit RJ45 Network Card | Intel I210 | Download Driver |
| STC-82574-T1 | Single-Port Gigabit RJ45 Network Card | Intel 82574L | Download Driver |
| STC-82575-T2 | Dual-Port Gigabit RJ45 Network Card | Intel 82575EB | Download Driver |
| STC-82576-T4 | Quad-Port Gigabit RJ45 Network Card | Intel 82576EB | Download Driver |
| STC-82571-T2 | Dual-Port Gigabit RJ45 Network Card | Intel 82571 | Download Driver |
| STC-I350-T2 | Dual-Port Gigabit RJ45 Network Card | Intel I350 | Download Driver |
| STC-I350-T4 | Quad-Port Gigabit RJ45 Network Card | Intel I350 | Download Driver |
| STC-I350-T4-PoE | Quad-Port Gigabit PoE+ Network Card | Intel I350 | Download Driver |
| STC-I350-F4 | Quad-Port Gigabit SFP Network Card | Intel I350 | Download Driver |
| STC-I226-T1 | Single-Port 2.5GbE RJ45 Network Card | Intel I226-V | Download Driver |
| STC-I226-T2 | Dual-Port 2.5GbE RJ45 Network Card | Intel I226-V | Download Driver |
| STC-I226-T4 | Quad-Port 2.5GbE RJ45 Network Card | Intel I226-V | Download Driver |
| STC-X520-DA1 | Single-Port 10GbE SFP+ Network Card | Intel 82599ES | Download Driver |
| STC-X520-DA2 | Dual-Port 10GbE SFP+ Network Card | Intel 82599ES | Download Driver |
| STC-X540-T2 | Dual-Port 10GbE RJ45 Network Card | Intel X540 | Download Driver |
| STC-X550-T2 | Dual-Port 10GbE RJ45 Network Card | Intel X550 | Download Driver |
| STC-E610-XT2 | Dual-Port 10GbE RJ45 Network Card | Intel E610 | Download Driver |
| STC-E610-XT4 | Quad-Port 10GbE RJ45 Network Card | Intel E610 | Download Driver |
| STC-X710-DA2 | Dual-Port 10GbE SFP+ Network Card | Intel X710-BM2 | Download Driver |
| STC-X710-DA4 | Quad-Port 10GbE SFP+ Network Card | Intel XL710-BM1 | Download Driver |
| STC-X710-T4 | Quad-Port 10GbE RJ45 Network Card | Intel XL710 | Download Driver |
| STC-E810-XXVDA2 | Dual-Port 25GbE SFP28 Network Card | Intel E810-XXVAM2 | Download Driver |
| STC-E810-XXVDA4 | Quad-Port 25GbE SFP28 Network Card | Intel E810-CAM1 | Download Driver |
| STC-XL710-QDA2 | Dual-Port 40GbE QSFP+ Network Card | Intel XL710-BM2 | Download Driver |
| STC-E810-CQDA2 | Dual-Port 100GbE QSFP28 Network Card | Intel E810-CAM2 | Download Driver |
Realtek Chipset Network Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-RTL1GL | Single-Port Gigabit RJ45 Network Card | Realtek RTL8111E | Download Driver |
| STC-RTL8125-T2 | Dual-Port 2.5GbE RJ45 Network Card | Realtek RTL8125BG | Download Driver |
| STC-RTL8125-T4 | Quad-Port 2.5GbE RJ45 Network Card | Realtek RTL8125BG | Download Driver |
| STC-RTL8126-T1 | Single-Port 5GbE RJ45 Network Card | Realtek RTL8126 | Download Driver |
| STC-RTL8127-T1 | Single-Port 10GbE RJ45 Network Card | Realtek RTL8127 | Download Driver |
Broadcom Chipset Network Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-BCM5720-2P | Dual-Port Gigabit RJ45 Network Card | Broadcom BCM5720* | Download Driver |
| STC-BCM5719-4P | Quad-Port Gigabit RJ45 Network Card | Broadcom BCM5719* | Download Driver |
| STC-BCM57412-2P | Dual-Port 10GbE SFP+ Network Card | Broadcom BCM57412 | Download Driver |
| STC-BCM57414-2P | Dual-Port 25GbE SFP28 Network Card | Broadcom BCM57414 | Download Driver |
Marvell Chipset Network Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-AQC107 | Single-Port 10GbE RJ45 Network Card | Marvell AQC107 | Plug & Play |
Serial & Parallel Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-WCH2S | Dual-Port RS-232 Serial Card | WCH382 | Download Driver |
| STC-WCH1P | Single-Port Parallel LPT Card | WCH382 | Download Driver |
| STC-WCH2S1P | 2-Port RS-232 Serial + 1-Port Parallel Card | WCH382 | Download Driver |
| STC-AX4S | Quad-Port RS-232 Serial Card | AX99100 | Download Driver |
USB & Type-C Expansion Cards
| S-TECH Model | Product | Chipset Family | Download |
|---|---|---|---|
| STC-VIA4U | 4-Port USB 3.0 Expansion Card | VIA | Download Driver |
| STC-UPD2U2C | 2-Port USB 3.0 + 2-Port Type-C Expansion Card | NEC / Renesas | Download Driver |
| STC-UPD6U2C | 6-Port USB 3.0 + 2-Port Type-C Expansion Card | NEC / Renesas | Download Driver |
| STC-UPD4TC | 4-Port USB Type-C Expansion Card | NEC / Renesas | Download Driver |
| STC-ASM2U3C | 2-Port USB 3.2 + 3-Port Type-C Expansion Card | ASMedia | Download Driver |
Sound Cards
| S-TECH Model | Product | Chipset / Controller | Download |
|---|---|---|---|
| STC-CMI8738-5 | PCIe 5.1 Channel Sound Card | C-Media CMI8738 | Download Driver |
FireWire Cards
| S-TECH Model | Product | Chipset / Controller | Driver Information |
|---|---|---|---|
| STC-VT6308-3P | PCIe FireWire 400 Expansion Card | VIA VT6308 | Plug & Play |
Installation Help
- Identify your S-TECH model number.
- Select your operating system and version.
- Download the matching driver package.
- Follow the installation instructions supplied with the download.
- Restart your system if prompted.
Need Help Finding a Driver?
Contact us with your S-TECH model number, operating system version and a screenshot of the issue. If the card is not detected or the model is unclear, include a photograph of the product label and its hardware ID from Device Manager.









