SpecPicks Verdict

SpecPicks classifies H!Fiber 10Gb SFP+ PCI-E Network Card NIC, with Intel 82599ES Chip… as a solid pick with broad community endorsement in the expansion cards category, based on 42 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. H!Fiber's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Solid 4.2★ customer rating
  • ✓ Backed by H!Fiber's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Limited review volume so far — fewer data points on long-term reliability
  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Compatible with Windows Server 2003/ 2008/ 2012, Windows7/8/10*/Visa, Linux, ESX/ESXi*. Storage over Ethernet: iSCSI, FCoE, NFS. (Only by setting up Windows 10 driver correctly the NIC can work on Windows 11! Please see the main picture or video for more detail of installation.)
  • NIC Controller: 10Gb Network Card equipped with original Intel 82599ES Controller, which supports Quality-of-Service (QoS) technology to streamline your online experience and ensure stability; Compare to Intel X520-DA2(Intel E10G42BTDA)
  • SFP+ PCI-E NIC: 10Gb Dual SFP+ Ports support 10G SFP+ module/ DAC /AOC Cable, offer a dramatic 10x speed increase over standard Gigabit adapters, reaching speeds of up to 10 Gbps; PCI Express 2.0. 5.0 G T/s X8 Lane, compatible with PCIE X8, X16 Slot
  • Easy to install: 10G NIC is packed with Both Full-height Bracket and Low Profile Bracket that support on Standard and Slim computer/server; Download operating systems driver from intel website or scan the QR code on the network card immediately
  • Friendly Customer Service: Provides 24/7 Customer Service, 30 Days Free-returned, 3 Year Free Warranty and Lifetime Technology Support

Full Specifications

BrandH!Fiber.com
Color1 Pack
Weight10g
Model NumberX520-DA2-1pc
CompatibilityLinux
Mfr Part NumberX520-10G-2S
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolEthernet
Data Transfer Rate10 Gigabits Per Second
Hardware InterfacePCI Express x8
Warranty Description3 Year Warranty
Friendly Customer ServiceProvides 24/7 Customer Service, 30 Days Free-returned, 3 Year Free Warranty and Lifetime Technology Support

Ready to buy?

H!Fiber 10Gb SFP+ PCI-E Network Card NIC, with Intel 82599ES Chip, Dual SFP+ Ports, Compare to Intel X520-DA2 (E10G42BTDA), PCIe X8, Ethernet LAN Network Adapter Support Windows/Linux/VMware is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.

Related Expansion Cards

H!Fiber 10Gb SFP+ PCI-E Network Card NIC, with Intel 82599ES Chip, Dual SFP+ Ports, Compare to Intel X520-DA2 (E10G42BTDA), PCIe X8, Ethernet LAN Network Adapter Support Windows/Linux/VMware
$48.99
4.2★ (42)
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