{"product_id":"qsfp28-sr4-100g-100gbase-sr4-qsfp28-transceiver-refurbished","title":"QSFP28-SR4-100G 100GBASE-SR4 QSFP28 Transceiver — MPO-12, 850nm MMF, Refurbished","description":"\u003cp\u003e\u003cstrong\u003e100GBASE-SR4 — parallel MMF \/ MPO-12, not duplex LC CWDM4\/LR4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQSFP28-SR4-100G — 100G SR4 QSFP28 transceiver, refurbished\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e QSFP28-SR4-100G\u003cbr\u003e\u003cstrong\u003eCommon aliases:\u003c\/strong\u003e 100G-SR4 · QSFP-100G-SR4 · 100GBASE-SR4\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Hot-pluggable QSFP28, 100GbE over parallel multimode fiber, MPO-12, 850 nm\u003c\/p\u003e\n\u003cp\u003eThis is a refurbished \u003cstrong\u003e100GBASE-SR4\u003c\/strong\u003e QSFP28 module — four 25G lanes at 850 nm over an \u003cstrong\u003eMPO-12\u003c\/strong\u003e ribbon for short-reach data-center links. Zoho inventory carries this PID without a single OEM brand claim, so we list it as an MSA SR4 optic — verify coding against your platform matrix before you cut over production fabrics. It is not CWDM4 or LR4 (those are duplex LC SMF).\u003c\/p\u003e\n\u003cp\u003eLifetime warranty from Resilient Tec.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich One Do I Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGoing into\u003c\/th\u003e\n\u003cth\u003eYou need\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e100G QSFP28 port, parallel OM3\/OM4 with MPO-12, short reach\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eQSFP28-SR4-100G\u003c\/strong\u003e — this product\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCisco-coded 100G SR4 specifically\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/qsfp-100g-sr4-s-cisco-compatible-100g-qsfp28-sr4-transceiver-100m\"\u003eCisco QSFP-100G-SR4-S Compatible\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuplex SMF, ≤ 2 km\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/100gqsfp28e-cw4-arista-100g-cwdm4-qsfp28-transceiver-refurbished\"\u003e100GQSFP28E-CW4 (CWDM4)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuplex SMF, up to 10 km\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/100gqsfp28e-lr4s-arista-100g-lr4-qsfp28-transceiver-refurbished\"\u003e100GQSFP28E-LR4S (LR4)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40G parallel MMF instead of 100G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/finisar-qsfp-40g-sr4-40gbase-sr4-qsfp-transceiver-new-open-box\"\u003eFinisar QSFP-40G-SR4\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSR4 vs CWDM4\/LR4 is the media fork.\u003c\/strong\u003e SR4 = MPO multimode. CWDM4\/LR4 = duplex LC single-mode. Same QSFP28 cage; completely different fiber plant.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eQSFP28-SR4-100G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eQSFP28 (hot-pluggable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Standard\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3bm 100GBASE-SR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e100 Gbps (4 × 25.78125 Gb\/s); breakout to 4×25GBASE-SR on capable hosts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e850 nm (840–860 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eMPO\/MTP-12 (UPC, parallel MMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber \/ Reach\u003c\/td\u003e\n\u003ctd\u003e70 m OM3 · 100 m OM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDOM \/ DDM\u003c\/td\u003e\n\u003ctd\u003eSupported (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e~2.5–3.5 W class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 70°C (commercial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eQSFP28 MSA, IEEE 802.3bm, SFF-8636, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime, backed by Resilient Tec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eRefurbished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eNote on Reach: OM3 70 m vs OM4 100 m\u003c\/h2\u003e\n\u003cp\u003eIEEE 100GBASE-SR4 rates \u003cstrong\u003e70 m on OM3\u003c\/strong\u003e and \u003cstrong\u003e100 m on OM4\u003c\/strong\u003e. Host FEC is part of the 100G SR4 story on many platforms — confirm FEC is enabled when you design to the rated distance. Extra MPO matings quietly erase margin.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo single OEM brand is claimed on this Zoho PID.\u003c\/strong\u003e Treat it as MSA 100G SR4 and verify EEPROM\/coding on your switch before production.\u003c\/li\u003e\n\u003cli\u003eIf you need a guaranteed Cisco-, Arista-, or NVIDIA-coded SR4, tell us — we stock brand-specific SR4 siblings separately.\u003c\/li\u003e\n\u003cli\u003eBreakout to 4×25G is host-dependent; confirm fan-out support before ordering breakout harnesses.\u003c\/li\u003e\n\u003cli\u003eRefurbished = previously deployed, tested, re-warranted by Resilient Tec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Checklist — Is This the Right Module?\u003c\/h2\u003e\n\u003cp\u003eYou have a \u003cstrong\u003e100G QSFP28\u003c\/strong\u003e cage. Your fiber is \u003cstrong\u003eparallel OM3\/OM4 with MPO-12\u003c\/strong\u003e. Runs are within \u003cstrong\u003e70 m (OM3) \/ 100 m (OM4)\u003c\/strong\u003e. MSA SR4 is acceptable for your matrix. You are \u003cstrong\u003enot\u003c\/strong\u003e ordering duplex-LC CWDM4\/LR4 by mistake.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e\u003cstrong\u003eIn stock at Resilient Tec · Ships from Knoxville, TN.\u003c\/strong\u003e\u003cbr\u003eNeed brand-coded SR4 instead? Ask and we will point you at the right sibling. \u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a quote →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime, \u003ca href=\"\/pages\/lifetime-warranty\"\u003ebacked by Resilient Tec\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eYou Might Also Need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/qsfp-100g-sr4-s-cisco-compatible-100g-qsfp28-sr4-transceiver-100m\"\u003eCisco QSFP-100G-SR4-S Compatible — 100G SR4\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/100gqsfp28e-cw4-arista-100g-cwdm4-qsfp28-transceiver-refurbished\"\u003e100GQSFP28E-CW4 — Arista 100G CWDM4, Refurbished\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/100gqsfp28e-lr4s-arista-100g-lr4-qsfp28-transceiver-refurbished\"\u003e100GQSFP28E-LR4S — Arista 100G LR4, Refurbished\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/product-guides\"\u003eProduct guides\u003c\/a\u003e · \u003ca href=\"\/pages\/request-a-quote\"\u003eRequest a quote\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/lifetime-warranty\"\u003eLifetime warranty — how Resilient Tec backs what we sell\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/request-a-quote\"\u003eRequest a quote for 100G QSFP28 fills and spare kits\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/product-guides\"\u003eProduct guides\u003c\/a\u003e\u003c\/p\u003e\n","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":67603159646308,"sku":"QSFP28-SR4-100G-R","price":29.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/resilient-tec.com\/products\/qsfp28-sr4-100g-100gbase-sr4-qsfp28-transceiver-refurbished","provider":"Resilient Tec","version":"1.0","type":"link"}