
Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
- In Stock: 25
- Manufacturer: HP
- Model or Part: 516937-B21
- Condition: Refurbished
- Weight: 1.00lb
- Dimensions: 1.00in x 1.00in x 1.00in
United States Shipping
Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.
International Shipping
International orders begin processing as soon as payment is confirmed.- Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
- Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
- Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.
Expedited and Rush Shipping
Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.
Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.
HP 10 Gigabit Ethernet PCIe G2 2-Port NIC (Model 516937-B21)
Elevate your network performance with the HP 10 Gigabit Ethernet PCIe G2 2-Port Network Interface Card. Designed for high-density servers and workstations, this dual port NIC delivers blazing fast data transfer speeds of up to 10 gigabits per second on each port, enabling rapid file sharing, virtualization, and cloud connectivity.
Key Features
- Dual 10GBase-T ports for simultaneous high-speed connections
- PCIe Gen3 x4 interface ensures low latency and maximum bandwidth
- Plug & Play with Intel I210 controller, compatible with Windows Server, Linux, and VMware ESXi
- Auto-negotiation and auto-MDI/MDIX support for flexible cabling options
- Low power consumption - 3.5 watts per port under typical load
- Robust metal housing protects against electromagnetic interference
Technical Specifications
- Model Number: 516937-B21
- Interface: PCIe Gen3 x4 (16 Gbps theoretical throughput)
- Speed: 10 Gbps per port, 20 Gbps total
- Connector: RJ45 copper, optional fiber SFP+ for future upgrades
- Operating Temperature: -40 to +70 degrees Celsius
- Dimensions: 2.5 inches x 0.6 inches (length x height)
- Weight: 0.2 pounds
Applications
- High-performance computing clusters requiring low latency and high throughput
- Virtual desktop infrastructure deployments where bandwidth is critical
- Data center interconnects and storage area networks (SAN) for rapid data replication
- Enterprise servers handling large media files, video editing pipelines, or real-time analytics
- Research laboratories needing reliable, high-speed network links for scientific data transfer
With its combination of speed, reliability, and ease of deployment, the HP 10 Gigabit Ethernet PCIe G2 2-Port NIC is a smart choice for any organization looking to future-proof its networking infrastructure.