Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Cisco WSP-Q40GLR4L Compatible 40GBASE-LR4L QSFP+ Optical Transceiver Module for Ethernet and Data Center (SMF, 1310nm, 2km, LC, DOM)Application: 40GBASE LR4 40G Ethernet, Data Center CDR: None Cisco Compatible: WSP Q40GLR4L Commercial Temperature Range: 0 to 70C (32 to 158F) Connector: LC duplex DDM DOM: Supported Extinction Ratio: 3. 5dB Form Factor: QSFP+ Max Cable Distance: 2km@SMF Max Data Rate: 41. 2Gbps Media: SMF Modulation Format: NRZ Packaging Technology: BOX Packaging Powerbudget: 4. 5dB Power Consumption: 3. 5W Protocols: 40G Ethernet, Infiniband FibreChannel, SATA
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 1880 reviews
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Product Reviews
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Actually cooling and comfortable.
Color: Royal Blue, Size: King
Incredible cases. Soft, super comfortable and actually cooling as claimed. Highly recommended. Love these!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Cool
Color: Pink, Size: Standard
Cooling pillowcases work well, don’t wake up sweaty anymore. Very happy with them. Love the material, comfort and softness!
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Reviewed in the United States on June 7, 2026
