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Wireless N Dual Band 600Mbps (2.4GHz 300Mbps or 5GHz 300Mbps) PCIE WiFi Adapter for Windows 11, 10, 8.x, 7, XP (32/64bit) and Windows Server Desktop PCs, 2X2 MIMO PCIE WiFi Card (FS-N600)
FebSmart

FebSmart Wireless N Dual Band 600Mbps PCIE WiFi Adapter for Windows 11

Bottom line: The FebSmart Wireless N Dual Band 600Mbps PCIE WiFi Adapter for Windows 11: Dual band 600Mbps total: 300Mbps on 2.4GHz or 300Mbps on 5GHz; main trade-off: 802.11n only, so no Wi-Fi 5 or Wi-Fi 6 throughput from a modern router.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For home networking and Wi-Fi gear, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Dual band 600Mbps total: 300Mbps on 2.4GHz or 300Mbps on 5GHz
  • ✓ Qualcomm Atheros AR946X chipset with 2x2 MIMO
  • ✓ Two detachable 3dBi antennas you can reposition or upgrade
  • ✓ Low profile and full height brackets both included for slim or tower cases

Cons

  • ✗ 802.11n only, so no Wi-Fi 5 or Wi-Fi 6 throughput from a modern router
  • ✗ 300Mbps per band caps below most current broadband plans
  • ✗ Windows XP, 7, and Server 2003-2008R2 require a manual driver install
  • ✗ No Windows Vista support at all

Manufacturer description

The FebSmart FS-N600 is a PCIe WiFi card built for desktop PCs that shipped without wireless, or whose onboard adapter has aged out. It runs dual band Wireless N at 600Mbps total, split as 300Mbps on 2.4GHz or 300Mbps on 5GHz, which is enough headroom for HD video streaming, video calls, and everyday online gaming. Inside is a Qualcomm Atheros AR946X chipset paired with 2x2 MIMO and two detachable 3dBi external antennas, so you can reposition them for a cleaner line to your router instead of fighting a cramped case-mounted stub. Installation is straightforward on Windows 11, 10, and 8.x…

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SpecPicks Verdict

SpecPicks scored FebSmart Wireless N Dual Band 600Mbps PCIE WiFi Adapter for Windows 11 using a rating × review-volume × price-fit model applied to published specs and reviews across the networking category. FebSmart's networking 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 networking 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.

Frequently Asked Questions

Will this work on my motherboard's PCIe slot?

It uses a PCIe x1 connector and seats in x1, x2, x4, x8, or x16 slots. The card is PCIe 2.0 and works on PCIe 1.x, 2.x, 3.x, and 4.x boards. Confirm you have at least one empty PCIe slot before ordering.

Does it need drivers on Windows 11?

No. It is plug and play on Windows 11, 10, 8.x (32/64-bit) and Windows Server 2012, 2012R, 2016, 2019, and 2022. Windows XP, 7, and Server 2003 through 2008R2 need the driver installed manually. Vista is not supported.

Can I use it with a Wi-Fi 6 router?

Yes. The card follows IEEE 802.11n and connects to 802.11 ax, ac, n, g, b, and a routers and access points. It negotiates at its own 802.11n speeds, so you get up to 300Mbps per band rather than Wi-Fi 6 rates.

Is it fast enough for online gaming and streaming?

FebSmart rates it for internet browsing, online phone and video calls, normal online gaming, and HD video streaming. The 5GHz band delivers 300Mbps, which covers those uses; competitive gaming or 4K on a busy network is better served by a faster standard.

Will it fit a small form factor desktop?

Yes. Both a low profile bracket and a full height bracket are in the box. Slim PC owners swap to the low profile bracket by hand before installing, no tools or extra parts needed.

Key Features

  • 1. The FS-N600 will allow users add wireless N dual band 600Mbps (2.4GHz 300Mbps and 5GHz 300Mbps) speed WiFi network on home and office desktop PCs for internet surfing, online phone call, normal online gaming, online video call and HD video streaming.
  • 2. Based on qualcomm atheros wireless N network adapter AR946X, will provide stable and fast WiFi connection on ARM, AMD, and Intel hardware platform. Equipped with 2X 3dBi detachable external dual band WiFi antennas, will improve wireless network reliability and reception range.
  • 3. IEEE 802.11N standard design, will seamlessly connect to wireless 802.11 ax/ ac/ n/ g/ b/ a WiFi router and AP（access point. Comply with 64-128 WEP, WPA, WPA2, WPA3, WPA-PSK, WPA2-PSK, TKIP, AES WiFi encryption, will protect users network privacy.
  • 4. Plug and play on Windows 11, 10, 8.x (32/64bit) and Windows Server 2012, 2012R, 2016, 2019, 2022. Need install driver on Windows XP, 7 (32/64bit) and Windows Server 2003, 2003R2, 2008, 2008R2 (32/64bit). NOT for Windows Vista system. Linux PCs refer ATH9K driver.
  • 5. PCIE X1 interface design, will works on motherboard PCIE X1, X2, X4, X8, X16 slot. PCIE generation 2.0 standard, will works on PCIE 1.x, 2.x, 3.x, 4.x slot. Low profile bracket and full height bracket inside, will works with both slim PCs and standard size PCs.
  • 6. ATTENTION: 1. Make sure PCs have at least one empty PCIE slot before purchase. 2. Slim PC users need change to low profile bracket by hand.

Full Specifications

BrandFebSmart
ColorFS-N600
6. ATTENTION1. Make sure PCs have at least one empty PCIE slot before purchase. 2. Slim PC users need change to low profile bracket by hand.
ConnectivityWireless, WiFi, 2.4GHz
Model NumberFS-N600
CompatibilityPC, Linux
Built-In Media1X FS-N600, 1X Low Profile Bracket, 1X Monut Screw, 1X User Manual, 2X 3dBi WiFi Antennas
Connection TypeWireless
Mfr Part NumberFS-N600
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolIEEE 802.11n
Data Transfer Rate600 megabytes_per_second
Hardware InterfacePCIE x 1
Warranty Description1 Year Limited Parts Warranty.
Item Dimensions L x W x H4.72"L x 1.81"W x 0.72"H
Full listing titleWireless N Dual Band 600Mbps (2.4GHz 300Mbps or 5GHz 300Mbps) PCIE WiFi Adapter for Windows 11, 10, 8.x, 7, XP (32/64bit) and Windows Server Desktop PCs, 2X2 MIMO PCIE WiFi Card (FS-N600)

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Wireless N Dual Band 600Mbps (2.4GHz 300Mbps or 5GHz 300Mbps) PCIE WiFi Adapter for Windows 11, 10, 8.x, 7, XP (32/64bit) and Windows Server Desktop PCs, 2X2 MIMO PCIE WiFi Card (FS-N600) 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.

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Wireless N Dual Band 600Mbps (2.4GHz 300Mbps or 5GHz 300Mbps) PCIE WiFi Adapter for Windows 11, 10, 8.x, 7, XP (32/64bit) and Windows Server Desktop PCs, 2X2 MIMO PCIE WiFi Card (FS-N600)
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