SIIG
SIIG 3 Port PCI Express USB 3.0 Adapt Card + Gigabit Ethernet LAN
Bottom line: The SIIG 3 Port PCI Express USB 3.0 Adapt Card + Gigabit Ethernet LAN is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $20.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Smart Charger: Each USB 3. 0 port provides power output up to 5V/900mA
- ✓ Backed by SIIG's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored SIIG 3 Port PCI Express USB 3.0 Adapt Card + Gigabit Ethernet LAN using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. SIIG's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Extra expansion Slots: adds three USB 3. 0 Ports and one Gigabit Ethernet (RJ45) port through an available PCI Express slot
- Super speed: supports USB data transfer rates up to 5GB/s shared among the 3 USB ports, and backward compatible with USB 2. 0/1. 1 devices. Provides reliable wired network connection with speeds up to 1000Mbps. Supports UASP (USB Attached SCSI Protocol), dramatically increases data transfer speed When used with UASP supported storage enclosures with SSD media. Note: Windows 10 and 8 have built in UASP support using their embedded USB 3. 0 drivers Only
- Smart Charger: Each USB 3. 0 port provides power output up to 5V/900mA
- Multi-port feature: allows connecting up to 3 USB devices simultaneously avoiding frequent swapping in and out of your devices
Full Specifications
| Brand | SIIG |
|---|---|
| Style | Music |
| Style Name | Music |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | LB-US0614-S1 |
| Smart Charger | Each USB 3. 0 port provides power output up to 5V/900mA |
| Connection Type | Wired |
| Mfr Part Number | LB-US0614-S1 |
| Compatible Devices | Desktop |
| Hardware Interface | USB |
| Multi-port feature | allows connecting up to 3 USB devices simultaneously avoiding frequent swapping in and out of your devices |
| Warranty Description | Limited Warranty |
| Extra expansion Slots | adds three USB 3. 0 Ports and one Gigabit Ethernet (RJ45) port through an available PCI Express slot |
| Global Trade Identification Number | 00662774042695 |
| Full listing title | SIIG 3 Port PCI Express USB 3.0 Adapt Card + Gigabit Ethernet LAN - Standard & Low - Profile Windows Server,7,8,8.1,10 PCsPCs (LB-US0614-S1) | Add 5Gbps USB and RJ45 networking in one slot; UASP improves storage transfers and a Molex power lead is required. |
Ready to buy?
SIIG 3 Port PCI Express USB 3.0 Adapt Card + Gigabit Ethernet LAN - Standard & Low - Profile Windows Server,7,8,8.1,10 PCsPCs (LB-US0614-S1) | Add 5Gbps USB and RJ45 networking in one slot; UASP improves storage transfers and a Molex power lead is required. is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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