(note: TTY uses Baudot code, not ASCII. This uses 5 bits per character instead of 8, and one start and 1.5 stop bits.)
TTY (V.18) | 45 bit/s | 6 cps |
TTY (V.18) | 50 bit/s | 6.71 cps |
[[Modem]]s(note: serial, 1 start bit, 8 data bits, 1 stop bit: therefore 10 bits needed to transmit each byte. The exception is 110 baud which uses 2 stop bits or 11 bits per byte.) |
Modem 110 baud | 110 bit/s | 10 B/s |
Modem 300 baud (V.21) | 300 bit/s | 30 B/s |
Modem Bell 103 (Bell 103) | 300 bit/s | 30 B/s |
Modem 1200 (V.22) | 1.2 kbit/s | 120 B/s |
Modem Bell 212A (Bell 212A) | 1.2 kbit/s | 120 B/s |
Modem 2400 (V.22bis) | 2.4 kbit/s | 240 B/s |
Modem 9600 (V.32) | 9.6 kbit/s | 960 B/s |
Modem 14.4k (V.32bis) | 14.4 kbit/s | 1,440 B/s |
Modem 19.2k (V.32terbo) | 19.2 kbit/s | 1,920 B/s |
Modem 28.8k (V.34) | 28.8 kbit/s | 2,880 B/s |
Modem 33.6k (V.34plus/V.34bis) | 33.6 kbit/s | 3,360 B/s |
Modem 56k* (V.90) (downstream) | 56.0 kbit/s | 5.6 kB/s |
Modem 56k* (V.90) (upstream) | 33.6 kbit/s | 3.36 kB/s |
Modem 56k* (V.92) (downstream) | 56.0 kbit/s | 5.6 kB/s |
Modem 56k* (V.92) (upstream) | 48.0 kbit/s | 4.8 kB/s |
* See Notes section below for 56k caveats [[Integrated Services Digital Network|ISDN]] |
ISDN Basic rate (BRI) signalling channel (D-channel) | 16.0 kbit/s | 2 kB/s |
Single ISDN channel (B-channel)-(both Primary and Basic rate) | 64.0 kbit/s | 8 kB/s |
Primary rate ISDN signalling channel (D-channel) | 64.0 kbit/s | 8 kB/s |
|
ISA 8-Bit/4.77 MHz | 38.18 Mbit/s | 4.77 MB/s |
ISA 16-Bit/8.33 MHz | 133.33 Mbit/s | 16.67 MB/s |
EISA 8-16-32bits/8.33 MHz | 320.00 Mbit/s | 32.0 MB/s |
MCA 16-32bits/10 MHz | 660.00 Mbit/s | 66.0 MB/s |
SBus 32-bit/25 MHz | 800 Mbit/s | 100.00 MB/s |
PCI 32-bit/33 MHz | 1066.66 Mbit/s | 133.33 MB/s |
SBus 64-bit/25 MHz | 1600 Mbit/s | 200.00 MB/s |
PCI Express (x1 link)† | 2500 Mbit/s | 250 MB/s |
PCI 64-bit/33 MHz | 2133.33 Mbit/s | 266.66 MB/s |
PCI 32-bit/66 MHz | 2133.33 Mbit/s | 266.66 MB/s |
AGP 1x | 2133.33 Mbit/s | 266.66 MB/s |
AGP 2x | 4266.66 Mbit/s | 533.33 MB/s |
PCI 64-bit/66 MHz | 4266.66 Mbit/s | 533.33 MB/s |
PCI-X DDR 16-bit | 4266.66 Mbit/s | 533.33 MB/s |
PCI Express (x4 link)† | 10000 Mbit/s | 1000 MB/s |
AGP 4x | 8533.33 Mbit/s | 1066.66 MB/s |
PCI-X 133 | 8533.33 Mbit/s | 1066.66 MB/s |
PCI-X QDR 16-bit | 8533.33 Mbit/s | 1066.66 MB/s |
InfiniBand | 10.00 Gbit/s | 1.25 GB/s |
PCI Express (x8 link)† | 20.00 Gbit/s | 2 GB/s |
AGP 8x | 17.066 Gbit/s | 2.133 GB/s |
PCI-X DDR | 17.066 Gbit/s | 2.133 GB/s |
PCI Express (x16 link)† | 40.0 Gbit/s | 4 GB/s |
PCI-X QDR | 34.133 Gbit/s | 4.266 GB/s |
HyperTransport (800 MHz, 16-pair) | 51.2 Gbit/s | 6.4 GB/s |
HyperTransport (1 GHz, 16-pair) | 64.0 Gbit/s | 8.0 GB/s |
PCI Express 2.0 (x16 link)† | 80.0 Gbit/s | 8 GB/s |
† Note that PCI Express lanes use an 8B/10B encoding scheme |
SCSI 1 | 12.0 Mbit/s | 1.5 MB/s |
Fast SCSI 2 | 80 Mbit/s | 10 MB/s |
Fast Wide SCSI 2 | 160 Mbit/s | 20 MB/s |
Ultra DMA ATA 33 | 264 Mbit/s | 33 MB/s |
Ultra Wide SCSI 40 | 320 Mbit/s | 40 MB/s |
Ultra DMA ATA 66 | 528 Mbit/s | 66 MB/s |
Ultra-2 SCSI 80 | 640 Mbit/s | 80 MB/s |
Serial Storage Architecture SSA | 640 Mbit/s | 80 MB/s |
Ultra DMA ATA 100 | 800 Mbit/s | 100 MB/s |
Ultra DMA ATA 133 | 1064 Mbit/s | 133 MB/s |
Serial ATA (SATA-150) | 1500 Mbit/s | 150 MB/s |
Ultra-3 SCSI 160 | 1280 Mbit/s | 160 MB/s |
Fibre Channel | 800 or 1600 Mbit/s | 100 or 200 MB/s |
Serial ATA (SATA-300) | 3000 Mbit/s | 300 MB/s |
Serial Attached SCSI | 3000 Mbit/s | 300 MB/s |
Ultra-320 SCSI | 2560 Mbit/s | 320 MB/s |
Ultra-640 SCSI | 5120 Mbit/s | 640 MB/s |
Note that SATA uses an 8B/10B encoding scheme Computer buses (external) |
Serial RS-232 commonly | 9.6 kbit/s | 960 B/s |
Serial RS-232 max | 230.4 kbit/s | 23.0 kB/s |
USB Low Speed | 1536 kbit/s | 192 kB/s |
Parallel (Centronics) | 8.0 Mbit/s | 1.0 MB/s |
Serial RS-422 max | 10.0 Mbit/s | 1.25 MB/s |
USB Full Speed | 12.0 Mbit/s | 1.5 MB/s |
FireWire (IEEE 1394) 100 | 100 Mbit/s | 12.5 MB/s |
FireWire (IEEE 1394) 200 | 200 Mbit/s | 25 MB/s |
FireWire (IEEE 1394) 400 | 400 Mbit/s | 50 MB/s |
USB Hi-Speed | 480 Mbit/s | 60 MB/s |
FireWire (IEEE 1394b) 800 | 800 Mbit/s | 100 MB/s |
External SATA | 2.4 Gbit/s | 300 MB/s |
|
IrDA-Control | 72 kbit/s | 9 kB/s |
IrDA-SIR | 115.2 kbit/s | 14 kB/s |
802.15.4 (2.4 GHz) | 250 kbit/s | 31.25 kB/s |
Bluetooth 1.1 | 1 Mbit/s | 125 kB/s |
802.11 legacy 0.125 | 2 Mbit/s | 250 kB/s |
Bluetooth 2 | 3 Mbit/s | 375 kB/s |
IrDA-FIR | 4 Mbit/s | 500 kB/s |
RONJA free source optical wireless | 10.00 Mbit/s | 1.25 MB/s |
802.11b DSSS 0.125 | 11 Mbit/s | 1.375 MB/s |
802.11b+ non-standard DSSS 0.125 | 44.0 Mbit/s | 5.5 MB/s |
802.11a 0.75 | 54.00 Mbit/s | 6.75 MB/s |
802.11g DSSS 0.125 | 54.00 Mbit/s | 6.75 MB/s |
802.11n | 540 Mbit/s | 67.5 MB/s |
Mobile telephone interfaces |
GSM CSD | 2.4 to 14.4 kbit/s | 300 to 1800 B/s |
HSCSD upstream | 14.4 kbit/s | 1800 B/s |
HSCSD downstream | 43.2 kbit/s | 5.4 kB/s |
GPRS upstream | 28.8 kbit/s | 3.6 kB/s |
GPRS downstream | 57.6 kbit/s | 7.2 kB/s |
UMTS downstream | 1920 kbit/s | 240 kB/s |
1xEV-DO Rev. A downstream | 3.1 Mbit/s | 396.8 kB/s |
1xEV-DO Rev. A upstream | 1.8 Mbit/s | 230.4 kB/s |
|
DS0 | 64 kbit/s | 8 kB/s |
Satellite Internet upstream | 64 kbit/s to 1 Mbit/s | 8 kB/s to 128 kB/s |
Satellite Internet downstream | 128 kbit/s to 16 Mbit/s | 16 kB/s to 2 MB/s |
Frame Relay | 8 kbit/s to 45 Mbit/s | 1 kB/s to 5.625 MB/s |
G.SHDSL | 2.3040 Mbit/s | 0.288 MB/s |
SDSL | 64 kbit/s to 4.608 Mbit/s | 8 kB/s to 0.576 MB/s |
G.Lite (aka ADSL Lite) upstream | 512 kbit/s | 64 kB/s |
G.Lite (aka ADSL Lite) downstream | 1.5 Mbit/s | 192 kB/s |
ADSL upstream | 64 kbit/s to 1024 kbit/s | 8 kB/s to 128 kB/s |
ADSL downstream | 256 kbit/s to 8 Mbit/s | 32 kB/s to 1 MB/s |
ADSL2 upstream | 64 kbit/s to 3.5 Mbit/s | 8 kB/s to 448 kB/s |
ADSL2 downstream | 256 kbit/s to 12 Mbit/s | 32 kB/s to 1.5 MB/s |
ADSL2Plus upstream | 64 kbit/s to 3.5 Mbit/s | 8 kB/s to 448 kB/s |
ADSL2Plus downstream | 256 kbit/s to 24 Mbit/s | 32 kB/s to 3.0 MB/s |
DOCSIS (Cable Modem) upstream | 128 kbit/s to 8 Mbit/s | 16 kB/s to 1 MB/s |
DOCSIS (Cable Modem) downstream | 384 kbit/s to 24 Mbit/s | 48 kB/s to 3 MB/s |
DS1/T1 | 1.544 Mbit/s | 192.5 kB/s |
E1 | 2.048 Mbit/s | 256 kB/s |
T2 | 6.312 Mbit/s | 789 KB/s |
E2 | 8.448 Mbit/s | 1.056 MB/s |
E3 | 34.368 Mbit/s | 4.296 MB/s |
DS3/T3 ('45 Meg') | 44.736 Mbit/s | 5.5925 MB/s |
STS-1/EC-1/OC-1/STM-0 | 51.840 Mbit/s | 6.48 MB/s |
VDSL (symmetry optional) | 12 Mbit/s to 100 Mbit/s | 1.5 MB/s to 12.5 MB/s |
VDSL2 (symmetry optional) | 12 Mbit/s to 250 Mbit/s | 1.5 MB/s to 31.25 MB/s |
LR-VDSL2 (4 to 5 km [long-]range) (symmetry optional) | 1 Mbit/s to 4 Mbit/s | 128 kB/s to 512 kB/s |
OC-1 | 51.84 Mbit/s | 6.48 MB/s |
OC-3/STM-1 | 155.52 Mbit/s | 19.44 MB/s |
T4 | 274.176 Mbit/s | 34.272 MB/s |
T5 | 400.352 Mbit/s | 50.044 MB/s |
OC-9 | 466.560 Mbit/s | 58.32 MB/s |
OC-12/STM-4 | 622.08 Mbit/s | 77.76 MB/s |
OC-18 | 933.12 Mbit/s | 116.64 MB/s |
OC-24/STM-8 | 1.244 Gbit/s | 155.5 MB/s |
OC-36 | 1.9 Gbit/s | 237.5 MB/s |
OC-48/STM-16 | 2.488320 Gbit/s | 311.04 MB/s |
OC-96/STM-32 | 4.976 Gbit/s | 622 MB/s |
OC-192/STM-64 | 9.953280 Gbit/s | 1.24416 GB/s |
10 Gigabit Ethernet WAN PHY | 9.953280 Gbit/s | 1.24416 GB/s |
10 Gigabit Ethernet LAN PHY | 10 Gbit/s | 1.25 GB/s |
OC-256 | 13.271 Gbit/s | 1.65888 GB/s |
OC-768/STM-256 | 39.813120 Gbit/s | 4.97664 GB/s |
OC-1536/STM-512 | 79.626 Gbit/s | 9.95325 GB/s |
OC-3072/STM-1024 | 159.252 Gbit/s | 19.9065 GB/s |
|
LocalTalk | 230.4 kbit/s | 28.8 kB/s |
ARCNET (Standard) | 2.5 Mbit/s | 0.3125 MB/s |
Token Ring (Original) | 4.16 Mbit/s | 0.52 MB/s |
Ethernet (10base-X) | 10 Mbit/s | 1.25 MB/s |
Token Ring (Later) | 16 Mbit/s | 2.0 MB/s |
Fast Ethernet (100base-X) | 100 Mbit/s | 12.5 MB/s |
FDDI | 100 Mbit/s | 12.5 MB/s |
Gigabit Ethernet (1000base-X) | 1 Gbit/s | 125 MB/s |
10 Gigabit Ethernet (10Gbase-X) | 10 Gbit/s | 1.25 GB/s |
Memory Interconnect Buses / [[Random Access Memory|RAM]] |
PC66 SDRAM | 4264 Mbit/s | 533 MB/s |
PC100 SDRAM | 6400 Mbit/s | 800 MB/s |
PC133 SDRAM | 8528 Mbit/s | 1066 MB/s |
PC1600 DDR-SDRAM | 12.8 Gbit/s | 1.6 GB/s |
PC2100 DDR-SDRAM | 16.8 Gbit/s | 2.1 GB/s |
PC2700 DDR-SDRAM | 21.6 Gbit/s | 2.7 GB/s |
PC3200 DDR-SDRAM | 25.6 Gbit/s | 3.2 GB/s |
PC800 RDRAM (single-channel) | 12.8 Gbit/s | 1.6 GB/s |
PC800 RDRAM (dual-channel) | 25.6 Gbit/s | 3.2 GB/s |
PC1066 RDRAM (single-channel) | 16.8 Gbit/s | 2.1 GB/s |
PC1066 RDRAM (dual-channel) | 33.6 Gbit/s | 4.2 GB/s |
PC1200 RDRAM (single-channel) | 19.2 Gbit/s | 2.4 GB/s |
PC1200 RDRAM (dual-channel) | 38.4 Gbit/s | 4.8 GB/s |
PC2-3200 DDR2-SDRAM | 25.6 Gbit/s | 3.2 GB/s |
PC2-4200 DDR2-SDRAM | 34.136 Gbit/s | 4.267 GB/s |
PC2-5400 DDR2-SDRAM | 42.664 Gbit/s | 5.333 GB/s |
PC2-6400 DDR2-SDRAM | 51.2 Gbit/s | 6.4 GB/s |
PC2-8500 DDR2-SDRAM† | 68.264 Gbit/s | 8.533 GB/s |
2005-Feb Prototype DDR3-SDRAM | ~68.224 Gbit/s | ~8.528 GB/s |