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| Brand Name: Hilink | Certification: CE RoHs | 
| Model Number: HL-SFP25G SR | Minimum Order Quantity: 1pcs | 
| Delivery Time: 5-8 Working days | Payment Terms: Western Union, L/C, T/T | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Takfly | Certification: CE,ROHS,FCC,REACH,ISO9001,ISO14001 | 
| Model Number: TK100GQSFPSR4 | Minimum Order Quantity: 1 pcs | 
| Delivery Time: 3-5 working days | Payment Terms: T/T, Western Union, MoneyGram, Paypal, L/C | 
| TAKFLY COMMUNICATIONS CO., LTD. [China] | |
| Verified Supplier | |
| Brand Name: Optfocus | Certification: CE&FC | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 100 pcs | 
| Delivery Time: 5-7 working days | Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Shenzhen Optfocus Technology Co., Ltd. [Guangdong,China] | |
| Site Member | |
| Brand Name: Top-Trans | Certification: ISO9001, ROHS, CE, FCC | 
| Model Number: TOP-SFP-25G-SR | Minimum Order Quantity: 1 | 
| Delivery Time: Negotiable | Payment Terms: T/T, Western Union, Paypal | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: KPD | Certification: CE | 
| Model Number: Q400-NDR-SR4 | Place of Origin: China | 
| Model: Q400-NDR-SR4 | Type: Optic Transceiver | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: OPTICKING | Certification: CE, FCC, UL | 
| Model Number: KQSF0A-0085MM01X(SR4) | Minimum Order Quantity: 100 | 
| Delivery Time: 7 days | Payment Terms: T/T | 
| Shenzhen Opticking Technology Co.,Ltd [China] | |
| Verified Supplier | |
| Brand Name: Seacent | Certification: CE FCC RoHS | 
| Model Number: 10G SFP+850nm 300M LC DDM | Minimum Order Quantity: 10 pcs | 
| Payment Terms: L/C, T/T, Western Union | Place of Origin: China | 
| Shenzhen Seacent Photonics Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Schneider | Model Number: AM-SA85-000 | 
| Minimum Order Quantity: 1 | Delivery Time: In stock/1-3days | 
| Payment Terms: T/T | Place of Origin: China | 
| Xiamen Online Union Technology Co., Ltd [China] | |
| Verified Supplier | |
| Brand Name: Comelink | Certification: ROHS/ISO9001/CE | 
| Model Number: QSFP-DD-200G-SR4 | Minimum Order Quantity: 1 PC | 
| Delivery Time: 3-5 workdays | Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| COMELINK CO.,LTD [Guangdong,China] | |
| Site Member | |
| Brand Name: UTOPTEK | Certification: CE FCC RoHs | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1piece | 
| Delivery Time: 1-2days | Payment Terms: T/T, Western Union,Paypal, Alipay,Wechat etc. | 
| Shenzhen UTOP Technology Co., Ltd. [Guangdong,China] | |
| Site Member | |
| Brand Name: Unifiber or OEM | Certification: ROHS | 
| Model Number: 400GBASE-SR8 PAM4 850nm 100m | Minimum Order Quantity: 1 | 
| Delivery Time: 5~8days | Payment Terms: L/C, T/T | 
| Shenzhen Unifiber Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-SR-BD | 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: Generic | Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL | 
| Model Number: SFP28-25GSR-85 | Minimum Order Quantity: 1 pc | 
| Delivery Time: 1-5 work days | Payment Terms: T/T, L/C, Western Union | 
| Shenzhen Gigaopto Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: Mellanox | Model Number: MFM1T02A-SR | 
| Minimum Order Quantity: 1pcs | Delivery Time: Based on inventory | 
| Payment Terms: T/T | Price: Negotiate | 
| Hong Kong Starsurge Group Co., Limited [China] | |
| Verified Supplier | |
| Brand Name: Neuter, OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: SFP-10G-SR-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: FINISAR | Certification: RoHS | 
| Model Number: FTLF8536P4BCL | Minimum Order Quantity: 1 | 
| Delivery Time: 1-3working days | Payment Terms: T/T, Western Union,Paypal | 
| Dongguan Blueto Electronics&Communication Co., Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: cisco | Model Number: SFP-25G-AOC10M | 
| Minimum Order Quantity: 1 | Delivery Time: 5 | 
| Payment Terms: L/C | Place of Origin: United States | 
| Shenzhen Chun De Hui Technology Co., Ltd. [Guangdong,China] | |
| Active Member | |
| Minimum Order Quantity: 1 | |
| FIBERMALL CO.,LIMITED [Hongkong,China] | |
| Active Member | |
| Brand Name: OE | Certification: ISO9001 | 
| Model Number: QSFP+ 40G 850 SR4 | Minimum Order Quantity: Negotiable | 
| Delivery Time: 5-8 work days | Payment Terms: T/T | 
| Wuhan Ouyi Optoelectronic Technology Co., Ltd. [Hubei,China] | |
| Verified Supplier | |
| Brand Name: OLKOPTO | Certification: RoHS FCC CE GS UL FDA etc | 
| Model Number: OLSP8512L-CDS5 | Minimum Order Quantity: 1pc | 
| Delivery Time: 3-5 working days | Payment Terms: T/T or Net 30 days | 
| Shenzhen Olinkcom Technology Co.,Ltd [China] | |
| Verified Supplier | |