RealSea’s 200G QSFP56 Direct Attach Cable (DAC) assemblies are high performance, cost effective I/O solutions for LAN, HPC
13-May-21 Rev.0 2
and SAN. The high speed cable assemblies meet and exceed 200 Gigabit Ethernet, InfiniBand EDR
/HDR and temperature requirements for performance and reliability. The cables are compliant with
SFF-8436 specifications and provide connectivity between devices using QSFP ports.
low cost and high reliability
4-Channel Full-Duplex Passive Copper Cable Transceiver
Support data rates : 56Gb/s (Support 28GBaud PAM4)
Maximum aggregate data rate: 200Gb/s (4 x 50Gb/s)
Low crosstalk
I2C based two-wire serial interface for EEPROM signature which can be customized
Compatible to IEEE 802.3bj&IEEE802.3cd
Compatible to 100GEBASE-CR4&200GBASE-CR4
Compatible to InfiniBand architecture
Compatible to QSFP28 MSA
Compatible to RoHS Compliant
General Specifications
Parameter | Symbol | Min | Typ | Max | Unit |
Channel Data Rate | DR | 53.125 | Gb/s | ||
Number of Lanes | 4 | Channels | |||
Modulation format |
| PMA4 |
| NA | |
Transmission distance | 3 | m | |||
Operating Temperature | TC | 0 | 70 | ◦C | |
Storage Temperature | TSTO | -40 | 85 | ◦C | |
Input Voltage | VCC | 3.14 | 3.30 | 3.46 | V |
Product attributes | |
Brand | Realsea Technology |
Part Number | QSFPDD-200G-CU1M |
Data Rate | 200Gbps |
Connector Type | QSFP56 to QSFP56 |
Wire AWG | 30AWG |
Cable Length | 1m (3.28ft) |
Cable Type | Passive Twinax |
Minimum Bend Radius | 23mm |
Power Consumption | <0.5W |
Jacket Material | PVC (OFNR) |
Commercial Temperature | 0 to 70°C (32 to 158°F) |
Warranty | 3 year |