Top 10 QSFP to SFP – Computer Networking Transceivers

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1. ipolex


40G QSFP+ to 10G SFP+ QSA Adapter Converter Module for Mellanox MAM1Q00A-QSA, Arista, Support All SFP+ Modules and Cables Reach, Extreme and More, Juniper, Dell 407-BBRO

ipolex #ad - Cost-effective conversion from qsfp+ to sfp+ port - ipolex 40g to 10G Adapter Module allows smooth and cost-effective migration to 40 Gigabit Ethernet by providing an option to use lower-speed.

Stable performance - low insertion loss, low crosstalk, and low EMI emission; all metal housing design and secure latching mechanism; Operating case Temp range at -20 to 85℃. Test assured - every qsa adapter is tested by a skilled technician in ipolex lab for compatibility and stability before delivery. Comprehensive sfp+ support - this qsa adapter fits all sfp+ optics and cable reaches, including sfp-10G-SR, SFP-10G-ZR, SFP-10G-LR, sfp-10g-er, 10g sfp+ copper cable, and 10G SFP+ active optical cable I2C read port information comes from SFP+ port module.

Plug and play, no configuration required. Versatile compatibility - widely compatible with SFF 8436 and QSFP MSA compliant equipment from Mellanox, Dell, Arista, Juniper, Extreme and more brands.
Brandipolex #ad
Manufactureripolex #ad
Part NumberWADQS-10

2. H!


Juniper, Dell 407-BBRO, Arista, All-metal housing, QSFP to SFP+ QSA Adapter 40G to 10G Converter Module for Mellanox MAM1Q00A-QSA, Extreme and More Devices

H! #ad - Compatible with rohs, Low insertion loss, SFF-8432. Widely applicable to multiple brand switches, plug in and work, meets your various needs. Easy installation, servers and routers with QSFP port, fully hot-pluggable.

Each qsa adapter is individually tested on switches before delivery. Operating case temperature: -20 to 85℃. All-metal housing for superior emi performance, SFF-8436, Low crosstalk. Qsa adapter allows smooth and cost-effective migration to 40 Gigabit Ethernet by providing an option to use lower-speed 10G SFP+ modules or cable in empty QSFP ports. Enjoy 30-day free-returned and 3-year warranty service. Qsa adapter supports all 10g sfp+ optics and cable reaches, sfp-10g-zr, including sfp-10g-sr, sfp-10g-er, SFP-10G-LR, 10G SFP+ Copper Cable and 10G SFP+ Active Optical Cable.
BrandH! #ad
ManufacturerH! #ad
Part NumberWADQS-10

3. 10Gtek


3-Meter10ft, 40G QSFP+ to 4xSFP+ Breakout DAC, 40GBASE-CR4 Passive Direct Attach Copper Twinax QSFP to SFP Cable for Cisco QSFP-4SFP10G-CU3M Devices

10Gtek #ad - Widely compatible with cisco qsfp-4SFP10G-CU3M Devices, and other open switch Devices. 40g qsfp+ to 4xsfp+ cable can connect 40 gigabit switch, router, nic, server, or other fiber optic equipments with QSFP+ ports to 10 Gigabit equipments with SFP+ port for Network Attached Storage, Storage Area Network and High Performance Computing.

440gbe qsfp+ to 4xsfp+ dac direct attach copper twinax Breakout Cable, Passive, 3-Meter10ft, 30AWG.10gtek is a manufacturer of Direct Attach Copper Cable, custom sevice also is available. And each dac cable is individually tested on switches before delivery. In 10gtek's signal integrity lab, we 100% passed TDR & VNA tested.
Brand10Gtek #ad
Manufacturer10Gtek #ad
Height1.1 Inches
Length8.5 Inches
Weight1.05 Pounds
Width8 Inches
Part NumberCAB-QSFP/4SFP-P3M-30

4. StarTech

#ad AOC Breakout Cable for Cisco QSFP-4X10G-AOC10M-15m/49ft 40G 1x QSFP+ to 4x SFP+ AOC Cable-QSFP Plus Transceiver Module Active Optical Fiber-C9300 C3850QSFP4X10AO15

StarTech #ad - Technical specs: 15m 49ft | 40gbps | active optical fiber | 1x qsfp+ to 4x SFP+ Pluggable Connector | PVC Cable Jacket | Hot swappable | MSA Compliant.

Designed for server rooms: 40gbe aoc is a convenient alternative to transceivers inside and between racks; factory termination means high performance & reliability, with less maintenance. Works with msa compliant switches: low power 40gbe dAC also works with switch models from Ubiquiti, Netgear, D-Link, Supermicro, TP-Link and more that accept uncoded modules and transceivers.100% cisco qsfp-4x10g-aoc10m compatible qsfp+ breakout dac: works with Cisco switches like C9300, C9300, C3850, C9500, C3650 and others.
BrandStarTech #ad #ad
Height0.5 Inches
Length590.6 Inches
Weight0.7 Pounds
Width0.5 Inches
Part NumberQSFP4X10AO15

5. 10Gtek


40G QSFP+ to 10G SFP+ Converter Module for Mellanox MAM1Q00A-QSA-SP, Arista, Extreme and More., Dell 407-BBRO, H3C, Juniper, QSA Adapter

10Gtek #ad - What you get1x cost-effective qsfp+ to sfp+ qsa adapter. It allows smooth and cost-effective migration to 40 Gigabit Ethernet by providing an option to use lower-speed. Smooth speed migration10gtek qsa adapter module offers 10 Gigabit Ethernet connectivity for QSFP-only platforms.

10gtek is a manufacturer of dac/Transceiver/AOC/NIC/Media Converter, customized service also is available. Convenient and flexible usewith qsa adapter, you can flexibly use any SFP+ module or cable to connect to a lower-speed port on the other end of the network with low insertion loss and crosstalk. Wide compatibilitythis adapter supports all sfp+ optics and cable except cisco reaches, such as 10g-sr, 10g-ZR, 10G-ER, 10G-LR, 10G SFP+ Copper Cable and 10G SFP+ Active Optical Cable.

Qsa vs qsfp breakout cablenot all the 40g cards and switches can be split into 4x 10gb mode, for example, the Mellanox QSFP cards do not support the QSFP to SFP+ breakout, but they support QSA. And qsa can be used for longer transmission distances than QSFP Breakout Cable. Plug and play, without any setup. I2c read port information comes from SFP port module, not QSA Module.
Brand10Gtek #ad
Manufacturer10Gtek #ad
Part NumberWADQS-10(1pc)

6. Wiitek


Supermicro, 1M QSFP+ to 4 SFP+ DAC Breakout Cable, Compatible for Mikrotik, Ubiquiti, 30AWG Black, Wiitek 40G QSFP+ Direct Attach Copper Cable, QSFP-4SFP10G-CU1M, Mellanox, for Cisco

Wiitek #ad - 40gbe qsfp+ to 4 sfp+ breakout twinax cable, qsfp-4sfp10g-cu1m direct attach copper Cable; 30AWG Copper PVC Jacketed 1m Cable, Zinc Alloy Shell;.

Dust cap cover and antistatic bag packaging, FCC Certificated, Rohs, CE, 3 Years Product Quality Assurance and Lifelong Technical Support. Used in 10g/40gigabit ethernet, infiniband SDR, routers, QDR, and hbas, DDR, Switches, Data Centers;. In wiitek's signal integrity lab, we 100% passed TDR & VNA tested. And each dac cable is individually tested on switches before delivery. Comaptible with cisco, mellanox, Huawei, Juniper, ubiquiti, d-link, Compatiable for Mikrotik and Supermicro;.
BrandWiitek #ad
ManufacturerWiitek #ad
Height0.87 Inches
Length7.87 Inches
Weight260 Grams
Width7.87 Inches
Part NumberQSFP-4SFP10G-CU1M

7. Cable Matters


3.3ft, Cable Matters 40GBASE-CR4 Passive QSFP+ to 4X SFP+ DAC Twinax Breakout Cable QSFP to SFP Cable, 1m

Cable Matters #ad - Qsfp+ to 4x sfp+ breakout cable connects a qsfp+ switch to an sfp+ network switch, niC network adapter, Network Attached storage NAS or a rack server; QSFP breakout cable supports High Performance Computing HPC applications such as Fibre Channel and InfiniBand. Passive qsfp to sfp+ cable connects equipment in high density networking environments; Low power consumption QSFP DAC breakout twinaxial cable provides a cost-effective alternative to installing fiber transceivers and fiber cables to connect a QSFP 40Gb network.

Msa compatible qsfp 40g cable is designed for compatibility with the majority of switch, network adapter card, or network attached storage equipment that follow the Multi-Source Agreement SFF-8436 specifications; Supports aggregate data speeds up to 40Gbps with 4x SFP+ lanes at 10Gbps; QSFP+ cable provides the same functions as a Cisco QSFP-4SFP10G-CU1m cable.

Superior engineering of qsfp dac cable with 30 awg wire and metal die-cast connectors for superior EMI electromagnetic noise performance and minimal insertion loss; Copper QSFP to SFP adapter offers low power consumption and low latency to operate in a high bandwidth storage area network. 40g network migration qsfp sfp+ adapter cable provides a solution for connecting 10G Ethernet equipment; Hot-pluggable QSFP+ cable can be plugged and unplugged without a network interruption; Quick release latch on the QSFP+ and SFP+ plugs provide a secure connection until the release tab is pulled.
BrandCable Matters #ad
ManufacturerCable Matters #ad
Height0.41 Inches
Length9.45 Inches
Weight0 Pounds
Width7.87 Inches
Part Number104064-1m
WarrantyLimited One-Year Warranty

8. Axiom


20m 10GB-4-F20-QSFP-AX, Axiom 40Gbase-AOC Qsfp+ to 4 SFP+ Active Optical Cable Extreme Compatible

Axiom #ad - Eliminates any network communication conflicts and provides easy identification. Compatibility in all OEM applications. Fully compliant with the Multi-Sourcing Agreement MSA.
BrandAxiom #ad
Height7.01 Inches
Length0.83 Inches
Weight1.2 Pounds
Width9.02 Inches
Part Number10GB-4-F20-QSFP-AX
WarrantyLimited Lifetime Warranty

9. HPC Optics


Cisco Compatible CVR-QSFP-SFP10G Adapter Module | QSFP 40G to SFP+ 10G QSA CVR-QSFP-SFP10G-HPC

HPC Optics #ad - Qsa conforms to the sff-8431 sfp+ and sFF-8436 QSFP+ connector standards. Enables 10gbe connectivity on 40GbE infrastructures. Fully compatible with cisco CVR-QSFP-SFP10G. Supply voltage: 3. 15 ~ 3. 45v. 40g qsfp+ to 10g sfp+ adapter Module.
BrandHPC Optics #ad
ManufacturerHPC Optics #ad

10. Cisco


Cisco QSFP to SFP/SFP+ Adapter QSA Module

Cisco #ad - Factory direct item only cisco qsfp to sfP10G adapter. Qsfp to sfp10g adapterfactory direct item only cisco qSFP to SFP10G adapter. Cisco cvr-qsfp-sfp10G=. Cisco qsfp to sfp/sfp+ adapter QSA Module.
BrandCisco #ad
ManufacturerCisco Systems, Inc #ad
Height0.53 Inches
Length0.72 Inches
Weight0.09 Pounds
Width3.07 Inches
Part NumberCVR-QSFP-SFP10G=
WarrantyLimited warranty