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Add four RS-232, RS-422, or RS-485-capable DB9 Serial Ports to a desktop computer via PCIe x1 Expansion CardAdd serial communication support to a desktop computer or Small Form Factor (SFF) system, using this 4-Port Serial PCI Express Card. The four DB9 ports can be independently configured to support RS-232, RS-422, and 2/4-wire RS-485 standards, for communication with compliant serial peripheral devices.Per-Port Serial ConfigurationThis PCIe Serial Card is equipped with on-board DIP switches, enabling each DB9 serial port to operate in RS-232, RS-422, and/or RS-485 mode(s). The card features LED indicators per port, providing real-time monitoring of port activity.Configurable External SATA PowerThe PCI Express Serial Adapter Card features three power modes that are configurable via on-board jumpers, including 12V (1.5A per port), 5V (1.5A per port), or no power (RI), over pin 9.Legacy ConnectivityThis serial card enables the continued use of legacy serial devices, preventing down time and avoiding costly upgrades. The 4-Port PCIe Serial Card is an ideal system upgrade for a wide range of applications (e.g., point-of-sale terminals, PLCs, factory control and automation, scientific sensors, medical equipment, scanners, and oscilloscopes)The StarTech.com Advantage

The NVIDIA RTX 4000 Ada Generation professional graphics card is a single-slot, 9.5 inch PCI Express Gen4 graphics solution based on the state-of-the-art NVIDIA Ada Lovelace architecture. It is an actively cooled product capable of 130 W maximum graphics power using a single CEM5 16-pin connector for more flexible configurations. Based on the groundbreaking NVIDIA Ampere architecture graphics processing unit(GPU), NVIDIA RTX 4000 Ada Generation delivers hardware-accelerated ray tracing, revolutionary Al features, advanced shading, and powerful simulation capabilities to creative professionals. With the industry's most expansive graphics memory footprint consisted of 20 GB of GDDR6 memory with ECC for data protection, NVIDIA RTX 4000Ada Generation enables the most graphics-intensive applications run with the highest level of user experience, even with largest of data sets.

802.11ac - Dual Band Wi-Fi for Faster ConnectionsTP-LINK's Archer T4E supports the advanced Wi-Fi standard of IEEE 802.11ac, offering 3 times transferring rates as IEEE 802.11n. You can send emails and browse the web with 2.4GHz network, while keeping the speedy 5GHz band free for gaming, HD streaming and other bandwidth intensive applications.Greater Coverage with BeamformingBeamforming technology smartly focuses Wi-Fi signals towards connected devices for stable connections and boosted range.Heat Sink for Ultimate StabilityA heat sink helps to dissipate the thermal energy generated by the adapter, which in turn improves stability. Additionally, lower temperatures help to extend the product lifespan.External Antennas for More Targeted signalTwo external antennas utilize the latest wireless technology to achieve stable connections and boosted coverage.

Boost the capabilities of your HP Business Desktop PC and improve system performance and application responsiveness with low-power, high-speed DDR4 memory from HP.