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 4.0 | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | Notes | |
x1 | 1,878 | 1,969 | 15.8 | |
x2 | 3,756 | 3,938 | 31.5 | NVMe M.2 (M+B Key) |
x4 | 7,512 | 7,877 | 63.0 | NVMe M.2 (M Key) U.2/U.3 (1x4 or 2x2) E1.S/E1.L (typical) E3 |
x8 | 15,024 | 15,754 | 126.0 | E1.S/E1.L (max) E3 |
x16 | 30,048 | 31,508 | 252.1 | E3 (max) |
PCI Express 3.0 | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | Notes | |
x1 | 939 | 985 | 7.9 | |
x2 | 1,878 | 1,969 | 15.8 | NVMe M.2 (M+B Key) |
x4 | 3,756 | 3,938 | 31.5 | NVMe M.2 (M Key) U.2/U.3 (1x4 or 2x2) |
x8 | 7,512 | 7,877 | 63.0 | |
x16 | 15,024 | 15,754 | 126.0 |
SAS-4 (24 Gb/s) | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | ||
x1 | 2,289 | 2,400 | 19.2 | |
x4 | 9,155 | 9,600 | 76.8 | |
x8 | 18,311 | 19,200 | 153.6 |
SAS-3 (12 Gb/s) | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | ||
x1 | 1,144 | 1,200 | 9.6 | |
x4 | 4,578 | 4,800 | 38.4 | |
x8 | 9,152 | 9,600 | 76.8 |
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 | ||
x1 | 572 | 600 | 4.8 | |
x4 | 2,289 | 2,400 | 19.2 | |
x8 | 4,576 | 4,800 | 38.4 |
Ethernet | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | ||
1 GbE | 119 | 125 | 1.0 | |
10 GbE | 1,192 | 1,250 | 10.0 | |
25 GbE | 2,980 | 3,125 | 25.0 | |
40 GbE | 4,768 | 5,000 | 40.0 | |
100 GbE | 11,920 | 12,500 | 100.0 | |
200 GbE | 23,842 | 25,000 | 200.0 | |
400 GbE | 47,684 | 50,000 | 400.0 |
Fibre Channel | Maximum Effective Data Rate (One Direction) | |||
---|---|---|---|---|
(10242 Bytes) MiB/s | (10002 Bytes) MB/s | (10003 Bits) Gb/s | ||
8 Gb | 797 | 836 | 6.7 | |
16 Gb | 1,594 | 1,672 | 13.4 | |
32 Gb | 3,275 | 3,434 | 27.5 |