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| Brand Name: YXFiber | Certification: CE RoHS FCC ISO9001 | 
| Model Number: YXF-QP-M85M-03D | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, L/C, Western Union | 
| Wuhan Yongxinfeng Science & Technology Co., Ltd. [Hubei,China] | |
| Verified Supplier | |
| Brand Name: GEZHI or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: / | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, Paypal,Western Union | 
| Gezhi Photonics Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Linkopto / OEM | Certification: CE, FCC, ROHS, TUV, ISO9001 | 
| Model Number: 40G BASE SR4 QSFP+ 850NM | Minimum Order Quantity: 1pc | 
| Delivery Time: 3-7 working days | Payment Terms: T/T, W.U., PayPal, Moneygram, L/C | 
| Shenzhen linkopto Technology Co. Ltd [Guangdong,China] | |
| Active Member | |
| Brand Name: HILINK | Certification: CE FCC Rohs | 
| Model Number: HL-QSFP-40G | Minimum Order Quantity: 1pcs | 
| Payment Terms: L/C, T/T, Western Union.Paypal | Place of Origin: Guangdong, China | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-SR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-PSM4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Avago | Certification: CE | 
| Model Number: AFBR-79EADZ | Minimum Order Quantity: 1pcs | 
| Payment Terms: L/C, T/T, Western Union,Paypal ,Alipay | Place of Origin: China | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: GEZHI or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: / | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, Paypal,Western Union | 
| Gezhi Photonics Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP28-100G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Active Member | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP28-100G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: AscentOptics/Neuter, OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: 40G-QSFP-SR4-A | Minimum Order Quantity: 1PCS | 
| Delivery Time: Within 1-3 working days after PO confirmed | Payment Terms: T/T, Western Union, L/C | 
| Ascent Optics Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Brocade | Certification: ISO9001, ROHS, CE, FCC | 
| Model Number: 57-1000361-01/XBR-100G-SR4-0288 | Minimum Order Quantity: 1 | 
| Delivery Time: Negotiable | Payment Terms: T/T, Western Union, Paypal, | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: GEZHI or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: / | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1~3working days after payment | Payment Terms: T/T, Paypal,Western Union | 
| Gezhi Photonics Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: NuFiber | Certification: CE FCC Rohs | 
| Model Number: QSFP28-100G-SR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: Within 1-3 work days | Payment Terms: L/C, T/T, Western Union,Credit Card | 
| Shenzhen Fivision Digital Technology Co.,Ltd [China] | |
| Site Member | |
| Brand Name: DEll | Certification: ROHS | 
| Model Number: Q28-100G-SR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 2-3 days after paid | Payment Terms: L/C, T/T, Western Union | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: KCO | Certification: ISO9001, RoHS | 
| Model Number: KCO-LB-MPO-OM4-8 | Minimum Order Quantity: Negotiation | 
| Delivery Time: 2~5 days after get payment | Payment Terms: Western Union, T/T, L/C | 
| KOCENT OPTEC LIMITED [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Neutral | Certification: CE,FCC,RoHs, TUV,UL | 
| Model Number: QSFP-LR4-40G-20 | Minimum Order Quantity: 1 pc | 
| Delivery Time: 1-5 work days | Payment Terms: T/T, L/C | 
| Shenzhen Gigaopto Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: AscentOptics/Neuter, OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: 40G-QSFP-SR4-A | Minimum Order Quantity: 1PCS | 
| Delivery Time: Within 1-3 working days after PO confirmed | Payment Terms: T/T, Western Union, L/C | 
| Ascent Optics Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Huawei | Certification: CE | 
| Model Number: QSFP-40G-iSR4 | Place of Origin: China | 
| Model: QSFP-40G-iSR4 | Name: Huawei QSFP - 40G - iSR4 Optical Transceiver best price | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Geehe Comm | Certification: ISO9001:2015, ISO14001, CE,RoHS | 
| Model Number: GH-BC-009 | Minimum Order Quantity: 100 pcs | 
| Delivery Time: Within 7-8 working days after confirm the order | Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram | 
| Wuhan Geehe Optical Communication Co.,ltd [Hubei,China] | |
| Site Member | |