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Vendor:Cisco
Cisco QSFP-4SFP10G-CU4M | 40G QSFP+ to 4x10G SFP+ DAC | 40GBASE-CR4 to 4x10GBASE-CR | passive copper | 4m reach | QSFP+ to 4x SFP+ breakout
Passive copper direct-attach breakout cable connecting a single 40G QSFP+ port to four 10G SFP+ ports. Designed for efficient short-to-medium reach links in data centers; requires a QSFP+ port that supports 4x10G breakout mode. -
Vendor:Cisco
Cisco QSFP-4SFP10G-CU3M | 40G QSFP+ to 4x10G SFP+ DAC | 40GBASE-CR4 to 4x10GBASE-CR | passive copper | 3m reach | QSFP+ to 4x SFP+ breakout
Passive copper direct-attach breakout cable linking one 40G QSFP+ port to four 10G SFP+ ports. Perfect for short-to-medium reach ToR-to-server or aggregation links without separate optics; requires a QSFP+ port with 4x10G breakout capability. -
Vendor:Cisco
Cisco QSFP-4SFP10G-CU2M | 40G QSFP+ to 4x10G SFP+ DAC | 40GBASE-CR4 to 4x10GBASE-CR | passive copper | 2m reach | QSFP+ to 4x SFP+ breakout
Passive copper direct-attach breakout cable that links one 40G QSFP+ port to four 10G SFP+ ports. Ideal for short-reach top-of-rack to servers or aggregation links without separate optics; requires a QSFP+ port that supports 4x10G breakout. -
Vendor:Cisco
Cisco QSFP-4SFP10G-CU1M | 40G QSFP+ to 4x10G SFP+ Breakout DAC, Passive Copper, 1m
QSFP-4SFP10G-CU1M
Vendor:CiscoCisco QSFP-4SFP10G-CU1M | 40G QSFP+ to 4x10G SFP+ Breakout DAC, Passive Copper, 1m
Passive copper DAC breakout cable enabling a single 40G port to fan out into four 10G links. Optimized for short-reach top-of-rack connectivity with low latency and zero power. -
Vendor:Cisco
Cisco QSFP-4SFP10G-CU0-5M | 40G→4x10G Breakout DAC | QSFP+ to 4x SFP+ | Passive Copper | 0.5m
QSFP-4SFP10G-CU0-5M
Vendor:CiscoCisco QSFP-4SFP10G-CU0-5M | 40G→4x10G Breakout DAC | QSFP+ to 4x SFP+ | Passive Copper | 0.5m
Passive direct-attach copper breakout cable for 40G to four 10G connections. One QSFP+ end fans out to four SFP+ ends to simplify short-reach top-of-rack wiring with minimal latency and power. Ideal for connecting a 40G switch port (in breakout mode) to four 10G server or switch ports across a 0.5 m span. -
Vendor:Cisco
Cisco QSFP-4SFP10-CU0-5 | 40G QSFP+ to 4x10G SFP+ Breakout DAC, Passive Copper, 0.5m
QSFP-4SFP10-CU0-5
Vendor:CiscoCisco QSFP-4SFP10-CU0-5 | 40G QSFP+ to 4x10G SFP+ Breakout DAC, Passive Copper, 0.5m
High-performance passive copper DAC breakout cable for short-reach 40G-to-4x10G connections between TOR switches, servers, and NICs. Zero power, ultra-low latency, and simple plug-and-play deployment. -
Vendor:Cisco
Cisco QSFP-40GE-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1270/1290/1310/1330 nm | 10 km | Duplex LC | DOM
QSFP-40GE-LR4
Vendor:CiscoCisco QSFP-40GE-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1270/1290/1310/1330 nm | 10 km | Duplex LC | DOM
40GBASE-LR4 QSFP+ transceiver for 10 km single‑mode links using four CWDM wavelengths (1270/1290/1310/1330 nm). Duplex LC interface and DOM for operational visibility. Ideal for long‑reach 40GbE backbone and aggregation. -
Vendor:Cisco
Cisco QSFP-40G-SR4-S | 40G QSFP+, 40GBASE-SR4, 850nm, MPO-12, OM3 100m/OM4 150m
QSFP-40G-SR4-S
Vendor:CiscoCisco QSFP-40G-SR4-S | 40G QSFP+, 40GBASE-SR4, 850nm, MPO-12, OM3 100m/OM4 150m
Enterprise-class 40G SR4 multimode transceiver for spine/leaf, ToR, and modular chassis uplinks. Delivers parallel 4x10G lanes over MPO-12 for simple 40G aggregation. Fiber patch cable not included. -
Vendor:Cisco
Cisco QSFP-40G-SR4 | 40G QSFP+, 40GBASE-SR4, 850nm, MPO-12, OM3 100m/OM4 150m
QSFP-40G-SR4
In stock
Vendor:CiscoCisco QSFP-40G-SR4 | 40G QSFP+, 40GBASE-SR4, 850nm, MPO-12, OM3 100m/OM4 150m
High-density 40G short-reach multimode optical module for campus and data center leaf/spine links. Uses MPO-12 connector and 850nm VCSEL for cost-effective aggregation. Fiber patch cable not included. -
Vendor:Cisco
Cisco QSFP-40G-SR-BD | 40G QSFP+ | SR‑BD BiDi | 850/910 nm | 100 m OM3 / 150 m OM4 | LC duplex
QSFP-40G-SR-BD-USED
In stock
Vendor:CiscoCisco QSFP-40G-SR-BD | 40G QSFP+ | SR‑BD BiDi | 850/910 nm | 100 m OM3 / 150 m OM4 | LC duplex
Bidirectional 40GbE SR‑BD QSFP+ transceiver that delivers 40G over a single pair of multimode fibers with LC duplex connectors, enabling reuse of existing 10G duplex cabling. Ideal for short‑reach data center links: up to 100 m on OM3 and 150 m on OM4. -
Vendor:Cisco
Cisco QSFP-40G-LR4L-S | 40G QSFP+ | 40GBASE-LR4 Lite | 1310 nm | 2 km | LC duplex
QSFP-40G-LR4L-S
Vendor:CiscoCisco QSFP-40G-LR4L-S | 40G QSFP+ | 40GBASE-LR4 Lite | 1310 nm | 2 km | LC duplex
Compact 40GbE LR4 Lite QSFP+ transceiver designed for short long‑reach links up to 2 km over single‑mode fiber with LC duplex connectors. Ideal for campus distribution and data center interconnects that do not require full 10 km budgets while maintaining LR4 wavelength interoperability. -
Vendor:Cisco
Cisco QSFP-40G-LR4-S | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex
QSFP-40G-LR4-S
Vendor:CiscoCisco QSFP-40G-LR4-S | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex
Enterprise‑class 40GbE LR4 QSFP+ transceiver delivering up to 10 km over single‑mode fiber with LC duplex connectivity. Fully compliant with 40GBASE‑LR4 and MSA QSFP+, supporting digital diagnostics for simplified monitoring and lifecycle management. Ideal for high‑availability aggregation and core links. -
Vendor:Cisco
Cisco QSFP-40G-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex
QSFP-40G-LR4
Vendor:CiscoCisco QSFP-40G-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex
High-density 40GbE LR4 optic for long-reach single‑mode links up to 10 km using LC duplex connectivity. Compliant with 40GBASE‑LR4 (IEEE 802.3ba) and MSA QSFP+, with digital diagnostics for simplified monitoring. Ideal for spine/leaf fabrics and campus core uplinks where 40G long‑reach is required. -
Vendor:Cisco
Cisco QSFP-40G-ER4 | 40G QSFP+ | 40GBASE-ER4 | 1310 nm LAN-WDM | 40 km SMF | LC duplex
QSFP-40G-ER4
Vendor:CiscoCisco QSFP-40G-ER4 | 40G QSFP+ | 40GBASE-ER4 | 1310 nm LAN-WDM | 40 km SMF | LC duplex
Long-haul QSFP+ providing 40GbE over single-mode fiber. Uses LAN-WDM wavelengths on duplex LC to reach metropolitan distances up to 40 km with appropriate link budget. -
Vendor:Cisco
Cisco QSFP-40G-CSR4 | 40G QSFP+ | 40GBASE-CSR4 | 850 nm | 300–400 m MMF | MPO-12
QSFP-40G-CSR4-USED
In stock
Vendor:CiscoCisco QSFP-40G-CSR4 | 40G QSFP+ | 40GBASE-CSR4 | 850 nm | 300–400 m MMF | MPO-12
Parallel-optics QSFP+ delivering extended-reach 40GbE over MMF. Ideal for leaf-spine or aggregation links needing up to 300 m (OM3) or 400 m (OM4). Supports 4x10G breakout on compatible switches. -
Vendor:Cisco
Cisco QSFP-40G-CSR-S | 40G QSFP+ | 40GBASE-CSR4 | 850 nm | 300–400 m MMF | MPO-12
QSFP-40G-CSR-S
Vendor:CiscoCisco QSFP-40G-CSR-S | 40G QSFP+ | 40GBASE-CSR4 | 850 nm | 300–400 m MMF | MPO-12
Extended-reach multimode QSFP+ for 40GbE, ideal for campus and data center aggregation. Uses MPO-12 parallel optics to deliver up to 400 m over OM4 (300 m OM3) with proper cabling and polarity.
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