{"product_id":"qsfptek-40gbase-sr4e-qsfp-transceiver-reliable-40gb-short-range","title":"QSFPTEK 40GBASE-SR4E QSFP+ Transceiver - Reliable 40Gb Short-Range","description":"\u003cp\u003eIn this review the QSFPTEK 40GBASE-SR4E QSFP+ transceiver is evaluated for network engineers and IT teams who need a cost-conscious, plug-and-play 40Gb link for short-range multimode fiber. The bottom line: it is a straightforward, compatible module for Dell Networking 407-BBPH environments and similar 40Gb QSFP+ ports, offering up to 400m at 850nm with MTP\/MPO connectivity and DDM monitoring to help spot issues before they impact traffic.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to be compatible with Dell Networking 407-BBPH, so deployment is simple in systems that accept standard 40Gb QSFP+ modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40Gb\/s Performance:\u003c\/strong\u003e Supports a 40Gb\/s data rate, providing a high-bandwidth short-range link for aggregation or server uplinks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTP\/MPO Connectivity:\u003c\/strong\u003e Uses an MTP\/MPO-12 male interface for easy connection to parallel multimode fiber trunks and MPO patch panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e850nm VCSEL+PIN Optics:\u003c\/strong\u003e VCSEL transmitter and PIN receiver at 850nm give predictable performance on multimode fiber up to 400m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDM Support:\u003c\/strong\u003e Digital Diagnostic Monitoring provides real-time status of optical parameters so administrators can detect potential problems early.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality and Protection:\u003c\/strong\u003e EMC support, anti electro-static discharge and radiation resistance are noted, and each unit is tested before shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe QSFPTEK 40GBASE-SR4E is aimed at data center operators, network administrators, and anyone running Dell Networking gear that needs a cost-effective 40Gb short-range transceiver. It fits well in switch-to-switch aggregation, top-of-rack uplinks, and NIC or server connections where multimode fiber infrastructure exists.\u003c\/p\u003e\n\u003cp\u003eThose who need extended single-mode range, CWDM\/DWDM compatibility, or vendor-locked optics with manufacturer-specific features should look elsewhere; this module is optimized for standard multimode short-reach 40Gb links and broad compatibility rather than niche long-haul or proprietary features.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBroadly compatible with 40Gb QSFP+ ports and specifically listed for Dell Networking 407-BBPH, easing deployment.\u003c\/li\u003e\n\u003cli\u003eOffers 40Gb\/s throughput with MTP\/MPO-12 connectivity, suitable for high-density multimode trunking up to 400m.\u003c\/li\u003e\n\u003cli\u003eSupports DDM so network teams can monitor optical health and catch issues early.\u003c\/li\u003e\n\u003cli\u003eEach module is tested prior to shipping and backed by a 3-year warranty and lifetime tech support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to multimode short-range use at 850nm, so it is not suitable for long single-mode links.\u003c\/li\u003e\n\u003cli\u003eDoes not advertise vendor-specific enhanced features that some OEM modules offer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eQSFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e40Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e850nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eMTP\/MPO-12 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 400m (MMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitoring\u003c\/td\u003e\n\u003ctd\u003eDDM (Digital Diagnostic Monitoring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible for Dell Networking 407-BBPH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe QSFPTEK 40GBASE-SR4E is a practical and affordable choice for teams needing reliable 40Gb short-range multimode links in Dell Networking and similar environments. With tested quality, DDM support, and a warranty, it delivers solid value where standard 40Gb SR4 performance is required without paying OEM premiums.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work in Dell Networking 407-BBPH?\u003c\/strong\u003e\u003cbr\u003eYes. The module is listed as compatible for Dell Networking 407-BBPH and is intended for use in systems with 40Gb QSFP+ ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fiber and distance does it support?\u003c\/strong\u003e\u003cbr\u003eIt uses multimode fiber with an MTP\/MPO-12 interface and supports transmission distances up to 400m at 850nm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it offer any warranty or returns?\u003c\/strong\u003e\u003cbr\u003eYes. The product includes a 30-day free return policy, a 3-year warranty, and lifetime technical support.\u003c\/p\u003e","brand":"QSFPTEK","offers":[{"title":"Default Title","offer_id":48679127482587,"sku":"B0915XQKZP","price":35.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/519EwdY3G-L._AC_SL1000.jpg?v=1778643575","url":"https:\/\/gearmusthave.com\/products\/qsfptek-40gbase-sr4e-qsfp-transceiver-reliable-40gb-short-range","provider":"GearMustHave","version":"1.0","type":"link"}