Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
SFP-10GB-DW21-40-DE Dell® Compatible Transceiver DWDM SFP+ 10GBase C-Band Channel DW21 100GHz (1560.61nm, SMF, 40km, LC, DOM)SFP 10GB DW21 40 DE Dell Compatible Transceiver DWDM SFP+ 10GBase C Band Channel DW21 100GHz (1560. 61nm, SMF, 40km, LC, DOM) ATGBICS Dell compatible SFP 10GB DW21 40 DE SFP+ 10GBase DWDM form factor network transceiver supports a distance of up to 40km over single mode fibre (SMF) using a wavelength of 1560. 61nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also
SFP-10GB-DW21-40-DE Dell® Compatible Transceiver DWDM SFP+ 10GBase C-Band Channel DW21 100GHz (1560.61nm, SMF, 40km, LC, DOM)
ATGBICS Dell® compatible SFP-10GB-DW21-40-DE SFP+ 10GBase-DWDM form factor network transceiver supports a distance of up to 40km over single-mode fibre (SMF) using a wavelength of 1560.61nm via an LC Duplex 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® SFP-10GB-DW21-40-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
4.7 ★★★★★
Based on 480 reviews
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Product Reviews
★★★★★ 5
Impressive
Size: 3 Pairs - Gray, Green, Pink
These socks are so cool and I have used them every night for a week and can see a difference. I am using them with the gold bond heel lotion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Very comfortable
Size: 3 Pairs - Gray, Green, Pink
This Heel crack socks are a practical and effective solution for managing dry, cracked heels. They offer a combination of comfort, hydration, and support that many users find beneficial. Although they might not be a miracle cure for everyone, their ease of use and noticeable results make them a worthwhile investment for those looking to improve their foot health. If you’re dealing with persistent heel dryness or cracks, giving these socks a try could be a step towards smoother, more comfortable feet.
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Reviewed in the United States on August 21, 2024
★★★★★ 3
Seem to help heal, but doesn't reach the balls of my feet
Size: 3 Pairs - Gray, Green, Pink
Only can wear when I am sitting down because they're to slippery to walk in
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Reviewed in the United States on April 15, 2026
★★★★★ 5
love these for soft feet!!
Size: 3 Pairs - Gray, Green, Pink
these are great. My feet are soft already! What I like best is my feet. Don't get hot in them because the heels and toes are exposed.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Heel saver
Size: 3 Pairs - Gray, Green, Pink
These little things are great, super comfy and I saw the difference in my feet after one use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
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