IO CREST
2.5 Gigabit Ethernet PCI Express PCI-E Network Interface Card 10/100/1000/25000 Mbps RJ45 LAN SI-PEX24059
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
Provides 2.5 Gigabit Ethernet connectivity to Mac Pro towers and Windows PCs. Simple way to add or expand 2.5 Gigabit Ethernet connectivity to any compatible computer. It is suitable for multiple market segments and emerging applications, such as desktop, mobile, workstation, server, communications platforms, and embedded applications.
SpecPicks Verdict
SpecPicks classifies 2.5 Gigabit Ethernet PCI Express PCI-E Network Interface Card… as a solid pick with broad community endorsement in the networking cards category, based on 267 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. IO CREST's positioning sits comfortably above the category median. 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 networking 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 4.4★ customer rating
- ✓ Backed by IO CREST's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- With this PCIe Card, you can add a 10/100/1000/25000 Mbps Ethernet port to any PC through a PCIe slot.Fits any PCI Express x1, x2, x4, x8 or x16 socket; additional 8cm low-profile bracket provides the option for installation in small size HTPC case.
- This pci-based 10/100/1000/25000 2.5 Gigabit Ethernet network adapter card provides a simple connection to a 2.5 Gigabit Ethernet network, and is fully compatible with 802.1Q virtual LAN (VLAN) tag. And Ethernet card which Is compliant to IEEE802.3, IEEE802.3U & IEEE802.3ab.
- The high quality PCIe 2.5 Gigabit NIC with 12cm profile bracket and additional 8cm profile bracket that makes it easy to install the card in a small form Factor/Low profile computer case/server.
- Gigabit network card compatible with a broad range of operating systems, including Windows 10, 8/8.1, 98SE, ME, 2000, XP, xp-64bit, Vista, vista-64bit, 7, 7-64 Bit, Linux, Mac OS 10.7
- What you get: IO crest 2.5 Gigabit PCI-E network card x1, driver Disk x1, 8cm low-profile bracket x1. Backed by IO crest 3 Year hassle-free warranty and lifetime customer service. Important Note: only work with PCI-E slot, not for PCI slot.
Full Specifications
| Brand | IO CREST |
|---|---|
| Color | 2.5G |
| Unit Count | 1.0 Count |
| Model Number | SI-PEX24059 |
| Compatibility | PC, Mac, Linux |
| Built-In Media | (1) 2.5Gb NIC Card, (1) Driver CD, (1) Low Profile Bracket, (1) Manual |
| Mfr Part Number | SI-PEX24059 |
| Compatible Devices | Desktop |
| Data Link Protocol | IEEE 802.3 |
| Data Transfer Rate | 2.5 Gigabits Per Second |
| Hardware Interface | Ethernet, PCI, PCI Express x1 |
| Warranty Description | 3 Year Warranty |
| Item Dimensions L x W x H | 4.3"L x 0.5"W x 5.5"H |
| Compatible Operating System Family | Linux, Windows |
Ready to buy?
2.5 Gigabit Ethernet PCI Express PCI-E Network Interface Card 10/100/1000/25000 Mbps RJ45 LAN SI-PEX24059 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.
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
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