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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Q28-100G-ESR4-DE Dell® Compatible Transceiver QSFP28 100GBase-ESR4-S (850nm, MMF, 300m, MPO, DOM)Q28 100G ESR4 DE Dell Compatible Transceiver QSFP28 100GBase ESR4 S (850nm, MMF, 300m, MPO, DOM) ATGBICS Dell compatible Q28 100G ESR4 DE QSFP28 100GBase ESR10form factor network transceiver supports a distance of up to 300m over multi mode fibre (MMF) using a wavelength of 850nm via an MPO 12 connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real time monitoring
Q28-100G-ESR4-DE Dell® Compatible Transceiver QSFP28 100GBase-ESR4-S (850nm, MMF, 300m, MPO, DOM)
ATGBICS Dell® compatible Q28-100G-ESR4-DE QSFP28 100GBase-ESR10form factor network transceiver supports a distance of up to 300m over multi-mode fibre (MMF) using a wavelength of 850nm via an MPO-12 connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real-time monitoring of the parameters of the fibre optic transceiver.
Our product meets the specification of Dell® Q28-100G-ESR4-DE and we proudly offer a compatibility guarantee and limited lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA (Multi-Source Agreement) and IEEE standards & protocols.
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
4.1 ★★★★★
Based on 748 reviews
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Product Reviews
★★★★★ 5
Extremely comfortable, leather sole. Hard to find a style.
Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue, Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue
Totally worth the price. This type of style is very hard to find, my husband had another pair a few years ago that he was never able to replace. These fit his wide feet and are very comfortable. The elastic at the ankle is not too tight. So glad I was able to find him a replacement. We bought the blue in a size 12. Love the fact that they are washable.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Very comfortable Slippers. Great buy!
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
I bought these to replace a pair of slippers that I have had for years that are very similar to the slippers I bought, but I had worn a hole in the leather on mine, so I had to find something new and similar. These slippers are worth the money they are very comfortable, and I am sure they will last for years. They are a little tight around the ankle cuff but they are still new and I am sure they will wear in a little more when I start wearing them more.
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Reviewed in the United States on March 8, 2025
★★★★★ 3
Great slippers but disappointing quality.
Size: 7.5-8.5 Women/6-7 Men, Color: Ash, Size: 7.5-8.5 Women/6-7 Men, Color: Ash
Extremely comfortable, attractive slippers but the stitching came loose on both leather trim areas almost immediately. I tried to sew/glue down the stitching (as seen in photo) but it kept unraveling. Disappointing as these slippers are great in every other way (though they do run a bit big...I wear a 9 but ended up with a 7.5-8.5 which fits with a bit of room to spare even with thick socks). I just hope they hold up after my latest attempt to stop the thread from pulling out any more as I do really love wearing them.
Perhaps I just got a bum pair?
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Reviewed in the United States on April 3, 2024
★★★★★ 5
Tight at first, but they stretch after a short time...feel perfect after the first week!
Size: 9.5-10.5, Color: Charcoal Faux Fur
I love them!
My first impression was "oooh, this is too tight". I wear a size 10 shoe and honestly, the 9.5-10.5 felt tight when I first tried it. Without socks it felt okay, with socks my toes were right at the top. But I loved the style so much I decided to give it a chance - I am SO glad I did!!!
They do stretch and give, so don't expect it to be tight forever. I have had them a week or so, wearing each day (I WFH) and they feel really nice. I also live in the mountains, we just had our first winter storm, and these slippers are nice and toasty. Exactly what I needed.
The memory foam is plush, though I have had other slippers with it and I know it will squash down over time. Right now, it is a nice feeling as I walk around the house. They are super cute looking, wearing leggings allows me to feel like I am stylish even while still wearing my sleep thermals. YAY!
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Reviewed in the United States on November 18, 2025
★★★★★ 5
favorite slipper ever
Size: 8-9, Color: Charcoal Faux Fur
I love these slippers. They look great with pants tucked in. Incredibly warm and comfortable. I wear them almost every day. Fit is true to size. They stay up but are not tight at all. On top of that I get compliments on them. Highly recommend.
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Reviewed in the United States on May 3, 2026
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