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Intel PRO/1000 GT Gigabit Ethernet PCI Network Adapter Card NIC

Intel PRO/1000 GT Gigabit Ethernet PCI Network Adapter Card NIC - 1
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Intel PRO/1000 GT Gigabit Ethernet PCI Network Adapter Card NIC - 15706_back.jpg Customer Photos (0)

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SKU: 15706
Shipping Weight: 0.1lbs

Part #: PWLA8391GTBLK

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Product Videos [ Edit ]

Features [ Edit | History ]


Now you can maximize system performance and increase end-user productivity for mainstream PCs with the new Intel PRO/1000 GT Desktop Adapter. Today's desktops are weighed down with high-bandwidth applications including voice, data, streaming video, video conferencing, and long-distance storage area networks. The environmentally friendly Intel PRO/1000 GT Desktop Adapter's Gigabit bandwidth makes quick work of these network applications with power to spare.

Built on Intel lead-free technology, the Intel PRO/1000 GT Desktop Adapter is the environmentally friendly way to bring Gigabit performance to your desktop at no extra cost.

Quick Specs:
Host Interface PCI
Device Supported PC
Limited Warranty Lifetime
Form Factor Plug-in Card
Network Technology 10/100/1000Base-T
Country of Origin Malaysia
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Number of Network (RJ-45) Ports 1
Total Number of Ports 1

Specifications [ Edit | History ]

General Information  
     Brand Name: Intel
     Manufacturer: Intel Corporation
     Manufacturer Part Number: PWLA8391GTBLK
     Manufacturer Website Address:
     Product Line: PRO/1000
     Product Model: GT
     Product Name: PRO/1000 GT Desktop Adapter
     Product Type: Gigabit Ethernet Card
     Host Interface: PCI
     Network (RJ-45): Yes
     Number of Network (RJ-45) Ports: 1
     Total Number of Ports: 1
Media & Performance  
     Twisted Pair Cable Standard: Category 5
     Additional Information:
  • Operating Humidity: 85% at +55°C
  • Data Transfer Mode: Bus-master DMA
  • Interrupt Levels: INTA
  • Transmission Control Protocol (TCP) Checksum Offload
  • ACPI Power Management
  • Wake on LAN Support
  • Intel Lead-free Technology
  • Intel SingleDriver Technology
  • Plug and Play Specification Support: Standard
  • Intel PROSet Utility
  • Preboot Execution Environment (PXE)

     Country of Origin: Malaysia
     Device Supported: PC
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
     Platform Supported: PC
Network & Communication  
     Network Technology: 10/100/1000Base-T
Physical Characteristics  
     Form Factor: Plug-in Card
     Limited Warranty: Lifetime

Customer Reviews of Intel PWLA8391GTBLK

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Intel PWLA8391GTBLK reviews.
Experience: 2 Weeks

Verified OwnerVerified Owner


-Intel is best for compatibility
Cons -none?


Needed a good gbps card for my NAS server, this one does the job well.

Experience: 70 Days

Verified OwnerVerified Owner


small footprint
Cons none


Needed this card since my motherboard only had 10/100 LAN port. This fit the bill perfectly as I had a spare PCI port. LAN speeds are now way faster

Experience: 1 Days

Verified OwnerVerified Owner


Easy to install
Rock solid
PCI is great for older systems
Intel Brand
Cons A bit expensive, but you get what you pay for


Installtion takes only a minute and drivers were detected within Windows Vista and installed within seconds. Note, no Driver CD is included with this.

Experience: 1 Days

Verified OwnerVerified Owner


Probably the best gigabit NIC you can buy
Offloads network overhead from the CPU
Even has its own BIOS where settings can be altered
Extensive features
Cons You might not really need it
Expensive for a NIC


Did I really need this? Probably not. It's nice to have the best NIC you can get though, and it will be good for many years.

There aren't too many ways to benchmark performance on a single machine though, tests that aren't dependent on your Internet connection which is orders of magnitude lower than gigabit speeds. I tried a TCP loopback test, time to transfer 10 GB via loopback. It did show an improvement, averaging 47.185 seconds for the onboard gigabit NIC versus 44.54 seconds for the Intel gigabit NIC. That's a 6% improvement. Worth the money? Umm...maybe?

I suppose my ping has gone down too, probably by about the same percentage. I didn't measure it since I don't game online.

This would be much better if I was doing gigabit file transfers, that's where this would really shine, especially coupled with a professional gigabit switch. A PCIe one would have been even better if I was doing gigabit file transfers, those will suck up a lot of the PCI bandwidth and PCIe has much more room. However my motherboard doesn't have any PCIe X 1 slots. My next one will and I'll switch to the PCIe version of this card, moving this one to a secondary computer.

This NIC offloads networking overhead from the CPU. The Intel 82541PI controller that forms the heart of this NIC is much more than a typical PHY device found on motherboards and other NICs, it's actually a network processor. PHYs just convert from one signal to another, the CPU has to process it. That processing is done right on the card with this NIC. Again this offloading would really come into play for large file transfers. Still, every little bit helps even if modern multicore CPUs have lots of resources.

It has way more features than most consumers need. It even has its own BIOS that comes up on bootup, press CTRL+S. Note you can alter  the length of time this screen will wait or you can turn it off entirely.

Intel has extensive documentation regarding setup and features...again, way more than the average consumer needs.

Despite me not really needing it, it still gives me peace of mind knowing that this is one very capable piece of hardware and better in many ways than onboard NICs and other separate NICs. I'll be using more of its advanced capabilities in the future.

Oh incidentally it installed without a hitch in Linux, the e1000 driver that supports this card is built into newer kernels.

Experience: 1 Days


It works. It's compatible with Ubuntu 10.10 and 11.04 out of the box.
Cons It failed to open my case and install itself


My onboard RealTEK died 3 weeks after buying my mobo. I did not want the downtime associated with the an RMA. I bought this with a PM for $28. It works a little faster. I'm getting 1 or 2 MB/s greater than my RealTEK onboard NIC.

Experience: 5 Months

Verified OwnerVerified Owner


- Fair cost
- Gigabit
- Reliable and consistent performance
- Intel product (i.e. well made)
Cons - None


Purchased to replace a failed on-board NIC. I have had no problems with this product whatsoever, from install to usage. I would definitely purchase this product again.

Experience: 5 Days

Verified OwnerVerified Owner


Bought one for an old computer, runs awesome
Cons None!


I would get the CT over this if you can, but if your computer has no free PCI-E ports, this will do just fine. Runs great!

Experience: 2 Months

Verified OwnerVerified Owner


cheap and works perfectly
Cons none


I use this card in a router for our small office and I never had any problem. The card is fast and our pfSense router recognize it right away, no hassle at all.

I can't say if the card goes really to 1000Gbits but it works well for all of us. Never had to reboot the router for any problem.

I highly recommand this card as for the price it is good.

Experience: 3 Weeks

Verified OwnerVerified Owner


Fast, Cheap, Works.
Cons None found.


Cheap fast, NIC card. Works with FreeBSD. Not much to say, installed the card, plugged in a cable, configured it and it worked.

Experience: 2 Months

Verified OwnerVerified Owner


Rock solid performance, excellent build quality
Cons It's not the cheapest NIC out there, and one of the computers I installed them in didn't have the drivers (Windows XP fully patched). Windows 7 not supported by Intel.


It's a great card; while it costs more that other brands, you're paying for reliability. While being a PCI card it'll be typically used in older PCs, it's worth noting that Intel won't be supporting this adapter under Windows 7, so drivers bundled with the OS will have to be relied on.

NCIX Forum Messages

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Messages about Intel PRO/1000 GT Gigabit Ethernet PCI Network Adapter Card NIC

PCI vs PCI-e ? (IAI2k7- Mar 24, 14, 8 Replies) Read this message
disconnects on large file transfers (WRX555- Apr 25, 12, 6 Replies) Read this message
Problems in linux - debian squeeze (Michael Sungho_H- Dec 07, 11, 0 Replies) Read this message
Intel PRO 1000 GT doesn't work with Win7 X64 (Stephen Hiu Leong_F- Jun 18, 11, 9 Replies) Read this message
pc wont power up with nic installed (Daniel_M- Jun 19, 10, 8 Replies) Read this message
doesn't work with WHS? (Anony- Jan 08, 10, 0 Replies) Read this message
What will this do to my ping? (13DogMan13- Jun 20, 09, 6 Replies) Read this message
will this work with a freenas server? (Allen_H- Jun 17, 09, 2 Replies) Read this message
Is this Intel NIC worth it over the onboard NIC? (Imperfect- May 09, 09, 8 Replies) Read this message
This compared to Syba SD-PEX-GLAN (HaleStorm- Apr 16, 09, 8 Replies) Read this message
won't work with winXP? (Peter_D- Jan 30, 09, 12 Replies) Read this message
Improved Internet speed? (Cameron_D- Dec 27, 08, 4 Replies) Read this message
Bad EEPROM? (OilerNut- Dec 12, 08, 0 Replies) Read this message
2 Questions about this. (PositioN- Aug 24, 08, 14 Replies) Read this message
Intel NIC (Clint_E- Aug 21, 08, 3 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

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