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Interconnect Maximum Effective Data Rates

  2 minute read.

These tables list the maximum effective data rates, in a single data flow direction, for various data interconnect protocols. A best effort attempt has been made to exclude physical link encoding overheads where appropriate.

PCI Express 4.0Maximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/sNotes
x11,8781,96915.8
x23,7563,93831.5NVMe M.2 (M+B Key)
x47,5127,87763.0NVMe M.2 (M Key)
U.2/U.3 (1x4 or 2x2)
E1.S/E1.L (typical)
E3
x815,02415,754126.0E1.S/E1.L (max)
E3
x1630,04831,508252.1E3 (max)
PCI Express 3.0Maximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/sNotes
x19399857.9
x21,8781,96915.8NVMe M.2 (M+B Key)
x43,7563,93831.5NVMe M.2 (M Key)
U.2/U.3 (1x4 or 2x2)
x87,5127,87763.0
x1615,02415,754126.0
SAS-4 (24 Gb/s)Maximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/s
x12,2892,40019.2
x49,1559,60076.8
x818,31119,200153.6
SAS-3 (12 Gb/s)Maximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/s
x11,1441,2009.6
x44,5784,80038.4
x89,1529,60076.8
SAS-2 & SATA 3.0 (6 Gb/s)Maximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/s
x15726004.8
x42,2892,40019.2
x84,5764,80038.4
EthernetMaximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/s
1 GbE1191251.0
10 GbE1,1921,25010.0
25 GbE2,9803,12525.0
40 GbE4,7685,00040.0
100 GbE11,92012,500100.0
200 GbE23,84225,000200.0
400 GbE47,68450,000400.0
Fibre ChannelMaximum Effective Data Rate (One Direction)
(10242 Bytes) MiB/s(10002 Bytes) MB/s(10003 Bits) Gb/s
8 Gb7978366.7
16 Gb1,5941,67213.4
32 Gb3,2753,43427.5

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