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Description
HPE® 412648-B21 alternative Intel 82576 NIC PCIe 2.0 x4 Dual Port 1GbE RJ45HPE 412648 B21 alternative Intel 82576 NIC PCIe 2. 0 x4 Dual Port 1GbE RJ45 The PCIe* v2. 0 (2. 5GT s) Intel 82576 GbE Network adapter is a single, compact, low power component that offers two fully integrated Gigabit Ethernet Media Access Control (MAC) and physical layer (PHY) ports. The 82576 enables two port implementation in a relatively small area and can be used for server system configurations such as rack mounted or pedestal servers, where it
HPE® 412648-B21 alternative Intel 82576 NIC PCIe 2.0 x4 Dual Port 1GbE RJ45
The PCIe* v2.0 (2.5GT/s) Intel 82576 GbE Network adapter is a single, compact, low power component that offers two fully integrated Gigabit Ethernet Media Access Control (MAC) and physical layer (PHY) ports.
The 82576 enables two-port implementation in a relatively small area and can be used for server system configurations such as rack mounted or pedestal servers, where it can be used as add-on NIC or LAN on Motherboard (LOM) designs.
Another system configuration is blade servers, where it can be used as LOM. The 82576 can also be used in embedded applications such as switch add-on cards and network appliances.
System Requirements
- Windows Client: Windows 10/8.1/8/7
- Windows Server: 2008 R2/2012/2012 R2/2016/2019
- Linux: RHEL7.9/8.4/8.5, SLES12SP5, SLES15SP3, Ubuntu18.04LTS/ 20.04LTS, FreeBSD 12.2/13
Specification
- Chipset: Intel JL82576EB
- PCI-Express host interface specification v2.0 with 2.5GT/s BUS width
- PCI-Express lanes: x4
- MDI (Copper) standard IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASE-TX, and 10BASE-T applications (802.3, 802.3u, and 802.3ab)
- Serializer-Deserializer (SERDES) to support 1000Base-SX/X/LX (optical fibre) for Gigabit backplane applications.
- Layer 2 functions: IEEE 802.3x Flow Control - IEEE 802.1q VLAN
- Supports Receive-side scaling (RSS)
- Supports IPv 4, IPv 6 protocols
- Supports Jumbo Frames up to 9.5K
- Supports UDP.TCP and IP Checksum offloading
- Statistics for management and RMON
- Support for virtual machines device queues
- Queues per port: 16 TX queues and 16 RX queues Full-Spectrum Security
- Next Generation VMDq Support (8VMs)
- Interrupt throttling control to limit maximum interrupt rate and improve CPU usage
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Works way better than its price would suggest
Color: Storage Cover Black, Size: Rechargeable
A family member got frothed milk in their coffee and loved it, so they started doing it at home. They were using a wand mixer which is great at splashing milk all over creation but not very good at actually frothing it.
I asked them what kind of frother they wanted and they gave me 2 criteria: Rechargeable, and inexpensive. They didn't want to spend a lot on something they might not like or might outgrow, and they didn't want to constantly be looking for batteries.
This frother fits the bill. It recharges with a regular USB-C cable and comes with a short one (but not a wall plug so make sure you have one of those). It was also less than $11 delivered so not a lot to gamble on an occasional-use gadget.
Does it work? Absolutely, and a lot better than I ever thought it would. I was given a demonstration and in 10 seconds I saw a small cup of half and half turn into frothy foam. I'll admit, it does taste pretty good in coffee.
I 3D printed a stand to hold the mixer upright on the counter. Otherwise the base is too small and it tips over. That's not a complaint, just an observation. If you want it to stand upright, you'll have to do something similar. Otherwise, this thing is a good combination of simple, inexpensive, and effective.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great Milk Frother for Coffee Lovers
Color: Storage Cover Black, Size: Rechargeable, Color: Storage Cover Black, Size: Rechargeable
I’m really happy with this electric milk frother. It is easy to use, rechargeable, and makes rich, creamy foam in just a few seconds. It works great for coffee, lattes, cappuccinos, and even hot chocolate. The design is sleek and comfortable to hold, and it is very easy to clean after use. The battery lasts well, and I like that I don’t need disposable batteries. Overall, this is a great product for anyone who enjoys making coffee drinks at home. Highly recommended!
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Great purchase
Color: Storage Cover Black, Size: Rechargeable
I've had my Circle Joy Frother since May 11th, and I've have used it every day. It's the best frother I've ever ordered or owned. It's powerful, works great and it's rechargeable, no batteries to buy for this one. I'll buy this one again if or when it stops working. I'm very satisfied.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Game Changer for Coffee Lovers
Color: Storage Cover Black, Size: Rechargeable
I purchased the Circle Joy Rechargeable frother mostly because of the price. The frothy-whipped cream is a treat on the weekends, and the last hand frother I purchased zapped out. WoW - this one is amazing! The last one I had was battery operated, and wasn't as fast as this one. I now use it everyday because it works so quickly. It comes with a "lid" for the blender part, so I can toss in my briefcase. Love that recharges quickly so its ready when I am. Great price, easy to use, looks sleek, and tiny enough to take with you. LOVE, FiVE Stars
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Great for short term
Color: Storage Cover Black, Size: Rechargeable
Works great when it works.... But I've bought three this year and two of them just unexpectedly died with no logical reason. Giving up and trying a new brand for my protein coffee drinks. *Edit....after original review the seller offered a refund and apologized for the issues I had. Bumping up my rating for proactive customer service and trying to make things right.
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Reviewed in the United States on May 23, 2026
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