Teqex
Search
Account Icon
Basket Icon Basket
Toggle Nav
main product photo

ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX

£192.71 £160.59
AMD B850, 4 x DIMM slots, max. 256GB, DDR5, Realtek 2.5Gb Ethernet, 2x2 Wi-Fi 6E (802.11ax), Bluetooth 5.3, 256Mb Flash ROM UEFI AMI BIOS, ATX

More Information

More Information
SKU 90MB1L80-M0EAY0
EAN 4711387931509
Manufacturer ASUS
Availability Y
PDF URLs View PDF

Description

PRIME 850-PLUS WIFI
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850-PLUS WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
* CEC Tier II ready

Specifications

Internal I/O
Number of M.2 (M) slots3
Thunderbolt headers1
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
12V power connectorYes
Supported storage drive interfacesM.2, SATA III
USB 2.0 connectors3
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
mSATA ports quantity0
TPM connectorYes
S/PDIF out connectorYes
Number of SATA connectors0
Number of SATA III connectors4
Number of SATA II connectors0
Number of COM connectors1
Number of chassis fan connectors4
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
Chassis intrusion connectorYes
ATX Power connector (24-pin)Yes
Number of CPU fan connectors1
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B850
Parallel processing technology supportNot supported
On-board graphics cardNo
Motherboard form factorATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B850
RAID levels0, 1, 5, 10
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor socketSocket AM5
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR5-SDRAM
Memory channelsDual-channel
Maximum internal memory256 GB
Unbuffered memoryYes
Supported memory clock speed (max)8000 MHz
ECC сompatibilityECC & Non-ECC
Storage controllers
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
RAID levels0, 1, 5, 10
Number of storage drives supported7
RAID supportYes
Graphics
Parallel processing technology supportNot supported
On-board graphics cardNo
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB 2.0 ports quantity2
VGA (D-Sub) ports quantity0
Microphone inYes
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity0
DisplayPorts quantity1
Network
Ethernet LANYes
Wi-FiYes
Ethernet interface type2.5 Gigabit Ethernet
BluetoothYes
Bluetooth version5.3
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Features
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B850
Compatible operating systemsWindows 11, Windows 10 64-bit
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Product colourMulticolour
Expansion slots
Number of M.2 (M) slots3
PCI Express x16 (Gen 3.x) slots2
PCI Express x16 (Gen 4.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Packaging data
Package width353 mm
Package depth68 mm
Package height273 mm
Package weight1.26 kg
Software
Windows operating systems supportedWindows 10 x64, Windows 11
Weight & dimensions
Height48 mm
Package width353 mm
Package depth68 mm
Package height273 mm
Package weight1.26 kg
Weight1.05 kg
Width305 mm
Depth244 mm
Other features
Height48 mm
Package width353 mm
Package depth68 mm
Package height273 mm
Package weight1.26 kg
mSATA ports quantity0
Weight1.05 kg
Compatible operating systemsWindows 11, Windows 10 64-bit

Delivery Details

  • UK distributors.
  • Order before 4 pm for next-day delivery.
  • Standard (2-3 days) £7.50
  • Next Day £9.99
  • Free standard delivery over £100

There are deivery surcharges to these postcodes:

Postcode Charge
IV3-40 £20
IV52-54 £20
IV63 £20
KW1-14 £20
PA10-40 £20
PH19-40 £20
PH50 £20
HS £50
IV41-51 £50
IV55-56 £50
KA27-28 £50
KW15-17 £50
PA41-49 £50
PA60-62 £50
PA76-78 £50
PH41-44 £50
ZE £50
IM £50
JE £50
GY £50
TR21-25 £50
BT £20
Suggested Products
GIGABYTE B860M GAMING X WIFI6E Motherboard - Intel Core Ultra Series CPUs, 8+1+2+2 Phases VRM, up to 9200MHz DDR5, 1xPCIe 5.0 + 1xPCIe 4.0 M.2, 2.5GbE LAN, WIFI 6E, USB 4
New

GIGABYTE B860M GAMING X WIFI6E Motherboard - Intel...

Shop Now
GIGABYTE Z890 EAGLE WIFI7 Motherboard - Supports Intel Core Ultra (Series 2) CPUs, 14+1+2 phases VRM, up to 8800MHz DDR5 (OC), 1xPCIe 5.0 + 3xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, USB 4

GIGABYTE Z890 EAGLE WIFI7 Motherboard - Supports I...

Shop Now
GIGABYTE Z890 AORUS ELITE WIFI7 ICE Motherboard - Supports Intel Core Ultra (Series 2) CPUs, 16+1+2 phases VRM, up to 8800MHz DDR5 (OC), 1xPCIe 5.0 + 3xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, Thunderbolt 4

GIGABYTE Z890 AORUS ELITE WIFI7 ICE Motherboard - ...

Shop Now
GIGABYTE X870I AORUS PRO ICE Motherboard - Supports AMD Ryzen 9000 Series CPUs, 8+2+1 phases VRM, up to 8400MHz DDR5 (OC), 1xPCIe 5.0 M.2 + 1xPCIe 4.0 M.2, WI-FI 7, 2,5GbE LAN, USB 4

GIGABYTE X870I AORUS PRO ICE Motherboard - Support...

Shop Now
GIGABYTE Z890 AORUS ELITE WIFI7 Motherboard - Supports Intel Core Ultra (Series 2) CPUs, 16+1+2 phases VRM, up to 8800MHz DDR5 (OC), 1xPCIe 5.0 + 3xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, Thunderbolt 4

GIGABYTE Z890 AORUS ELITE WIFI7 Motherboard - Supp...

Shop Now
MSI PRO Z890-P WIFI motherboard Intel Z890 LGA 1851 (Socket V1) ATX

MSI PRO Z890-P WIFI motherboard Intel Z890 LGA 185...

Shop Now
GIGABYTE B850I AORUS PRO Motherboard - AMD Ryzen 9000 Series CPUs, 8+2+1 Phases Digital VRM, up to 8400MHz DDR5 (OC), 1xPCIe 5.0 + 1xPCIe 4.0 M.2, 2.5LAN, WIFI 7, USB 3.2 Gen 2

GIGABYTE B850I AORUS PRO Motherboard - AMD Ryzen 9...

Shop Now
GIGABYTE X870 EAGLE WIFI7 Motherboard - Supports AMD Ryzen 9000 CPUs, 14+2+2 phases VRM, up to 8000MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, USB 4

GIGABYTE X870 EAGLE WIFI7 Motherboard - Supports A...

Shop Now
GIGABYTE X870 GAMING WIFI6 Motherboard - Supports AMD Ryzen 9000 CPUs, 8+2+2 phases VRM, up to 8000MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0, Wi-Fi 6, 2.5GbE LAN, USB 4

GIGABYTE X870 GAMING WIFI6 Motherboard - Supports ...

Shop Now
GIGABYTE B860 GAMING X WIFI6E Motherboard - Intel Core Ultra Series CPUs, 12+1+2+1 Phases VRM, up to 9066MHz DDR5, 1xPCIe 5.0 + 2xPCIe 4.0 M.2, 2.5GbE LAN, WIFI 6E, USB4

GIGABYTE B860 GAMING X WIFI6E Motherboard - Intel ...

Shop Now
GIGABYTE B860 EAGLE WIFI6E Motherboard - Intel Core Ultra Series CPUs, 12+1+2+1 Phases VRM, up to 9066MHz DDR5, 1xPCIe 5.0 + 2xPCIe 4.0 M.2, 2.5GbE LAN, WIFI 6E, USB 3.2 Gen 2x2

GIGABYTE B860 EAGLE WIFI6E Motherboard - Intel Cor...

Shop Now
GIGABYTE X870 AORUS ELITE WIFI7 Motherboard - Supports AMD Ryzen 9000 CPUs, 16+2+2 phases VRM, up to 8000MHz DDR5 (OC), 3xPCIe 5.0 + 1xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, USB 4

GIGABYTE X870 AORUS ELITE WIFI7 Motherboard - Supp...

Shop Now
MSI MAG B760 TOMAHAWK WIFI DDR4 motherboard Intel B760 LGA 1700 ATX

MSI MAG B760 TOMAHAWK WIFI DDR4 motherboard Intel ...

Shop Now
Asrock Z790 Pro RS Intel Z790 LGA 1700 ATX

Asrock Z790 Pro RS Intel Z790 LGA 1700 ATX

Shop Now
Asrock B850 Steel Legend WiFi AMD B850 Socket AM5 ATX

Asrock B850 Steel Legend WiFi AMD B850 Socket AM5 ...

Shop Now
Asrock X870 PRO RS AMD X870 Socket AM5 ATX

Asrock X870 PRO RS AMD X870 Socket AM5 ATX

Shop Now
Asrock B650 Steel Legend WiFi AMD B650 Socket AM5 ATX

Asrock B650 Steel Legend WiFi AMD B650 Socket AM5 ...

Shop Now
GIGABYTE B850 AORUS ELITE WIFI7 ICE Motherboard - AMD Ryzen 9000 Series CPUs, 14+2+2 Phases Digital VRM, up to 8200MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0 M.2, 2.5 LAN, WIFI 7, USB 3.2 Gen 2x2

GIGABYTE B850 AORUS ELITE WIFI7 ICE Motherboard - ...

Shop Now
ASUS ROG STRIX B850-G GAMING WIFI AMD B850 Socket AM5 micro ATX

ASUS ROG STRIX B850-G GAMING WIFI AMD B850 Socket ...

Shop Now
ASUS TUF GAMING B850M-PLUS II AMD B850 Socket AM5 micro ATX

ASUS TUF GAMING B850M-PLUS II AMD B850 Socket AM5 ...

Shop Now
ASUS ROG STRIX B760-G GAMING WIFI Intel B760 LGA 1700 micro ATX

ASUS ROG STRIX B760-G GAMING WIFI Intel B760 LGA 1...

Shop Now
GIGABYTE B850M EAGLE WIFI6E ICE Motherboard - AMD Ryzen 9000 Series CPUs, 8+2+2 Phases Digital VRM, up to 8200MHz DDR5 (OC), 1xPCIe 5.0 + 1xPCIe 4.0 M.2, Wi-Fi 6E, 2.5 GbE LAN, USB 3.2 Gen 2

GIGABYTE B850M EAGLE WIFI6E ICE Motherboard - AMD ...

Shop Now
MSI PRO B860-P WIFI motherboard Intel B860 LGA 1851 (Socket V1) ATX

MSI PRO B860-P WIFI motherboard Intel B860 LGA 185...

Shop Now
ASUS PRIME B860-PLUS WIFI Intel B860 LGA 1851 (Socket V1) ATX

ASUS PRIME B860-PLUS WIFI Intel B860 LGA 1851 (Soc...

Shop Now
GIGABYTE B850 EAGLE WIFI6E Motherboard - AMD Ryzen 9000 Series CPUs, 8+2+2 Phases Digital VRM, up to 8200MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0 M.2, GbE LAN, WIFI 6E, USB 3.2 Gen 2

GIGABYTE B850 EAGLE WIFI6E Motherboard - AMD Ryzen...

Shop Now
Asrock X870 Pro RS WiFi AMD X870 Socket AM5 ATX

Asrock X870 Pro RS WiFi AMD X870 Socket AM5 ATX

Shop Now
MSI MAG B860 TOMAHAWK WIFI motherboard Intel B860 LGA 1851 (Socket V1) ATX

MSI MAG B860 TOMAHAWK WIFI motherboard Intel B860 ...

Shop Now
GIGABYTE B850 GAMING X WIFI6E Motherboard - AMD Ryzen 9000 Series CPUs, 12+2+2 Phases Digital VRM, up to 8200MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0 M.2, 2.5LAN, WIFI 6E, USB 3.2 Gen 2x2

GIGABYTE B850 GAMING X WIFI6E Motherboard - AMD Ry...

Shop Now
MSI B860 GAMING PLUS WIFI motherboard Intel B860 LGA 1851 (Socket V1) ATX

MSI B860 GAMING PLUS WIFI motherboard Intel B860 L...

Shop Now
ASUS PRIME Z890-P Intel Z890 LGA 1851 (Socket V1) ATX

ASUS PRIME Z890-P Intel Z890 LGA 1851 (Socket V1) ...

Shop Now
ASUS TUF Gaming B760-Plus WIFI Intel B760 LGA 1700 ATX

ASUS TUF Gaming B760-Plus WIFI Intel B760 LGA 1700...

Shop Now
GIGABYTE B650M AORUS ELITE AX ICE Motherboard - AMD Ryzen 9000 Series CPUs, 12+2+2 Phases VRM, up to 8000MHz DDR5 (OC), 1xPCIe 5.0 + 1xPCIe 4.0 M.2, 2.5GbE LAN, WIFI 6E, USB 3.2 Gen 2x2

GIGABYTE B650M AORUS ELITE AX ICE Motherboard - AM...

Shop Now
GIGABYTE Z790 EAGLE AX Motherboard - Supports Intel Core 14th Gen CPUs, 12+1+１Phases Digital VRM, up to 7600MHz DDR5 (OC), 3xPCIe 4.0 M.2, Wi-Fi 6E, 2.5GbE LAN, USB 3.2 Gen 2

GIGABYTE Z790 EAGLE AX Motherboard - Supports Inte...

Shop Now
GIGABYTE Z790 D AX Motherboard - Supports Intel Core 14th Gen CPUs, 12+1+1 Phases Digital VRM, up to 7600MHz DDR5 (OC), 3xPCIe 4.0 M.2, Wi-Fi 6E, 2.5GbE LAN, USB 3.2 Gen 2

GIGABYTE Z790 D AX Motherboard - Supports Intel Co...

Shop Now
ASUS ROG STRIX B650E-F GAMING WIFI AMD B650 Socket AM5 ATX

ASUS ROG STRIX B650E-F GAMING WIFI AMD B650 Socket...

Shop Now
MSI PRO Z890-S WIFI motherboard Intel Z890 LGA 1851 (Socket V1) ATX

MSI PRO Z890-S WIFI motherboard Intel Z890 LGA 185...

Shop Now
GIGABYTE X870 GAMING X WIFI7 Motherboard - Supports AMD Ryzen 9000 CPUs, 16+2+2 phases VRM, up to 8000MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0, Wi-Fi 7, 2.5GbE LAN, USB 4

GIGABYTE X870 GAMING X WIFI7 Motherboard - Support...

Shop Now
ASUS TUF GAMING B850M-PLUS WIFI7 AMD B850 Socket AM5 micro ATX

ASUS TUF GAMING B850M-PLUS WIFI7 AMD B850 Socket A...

Shop Now
Asrock B850 Pro RS WiFi AMD B850 Socket AM5 ATX

Asrock B850 Pro RS WiFi AMD B850 Socket AM5 ATX

Shop Now
ASUS TUF GAMING B650-PLUS WIFI AMD B650 Socket AM5 ATX

ASUS TUF GAMING B650-PLUS WIFI AMD B650 Socket AM5...

Shop Now
MSI PRO B860M-A WIFI motherboard Intel B860 LGA 1851 (Socket V1) micro ATX

MSI PRO B860M-A WIFI motherboard Intel B860 LGA 18...

Shop Now
MSI B850 GAMING PLUS WIFI PZ motherboard AMD B850 Socket AM5 ATX

MSI B850 GAMING PLUS WIFI PZ motherboard AMD B850 ...

Shop Now
ASUS PRIME Z890-P WIFI Intel Z890 LGA 1851 (Socket V1) ATX

ASUS PRIME Z890-P WIFI Intel Z890 LGA 1851 (Socket...

Shop Now
MSI X870E GAMING PLUS WIFI motherboard AMD X870E Socket AM5 ATX

MSI X870E GAMING PLUS WIFI motherboard AMD X870E S...

Shop Now
MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

MSI MAG B850M MORTAR WIFI motherboard AMD B850 Soc...

Shop Now
ASUS TUF GAMING B850M-E WIFI AMD B850 Socket AM5 micro ATX

ASUS TUF GAMING B850M-E WIFI AMD B850 Socket AM5 m...

Shop Now
ASUS ROG STRIX B760-F GAMING WIFI Intel B760 LGA 1700 ATX

ASUS ROG STRIX B760-F GAMING WIFI Intel B760 LGA 1...

Shop Now
ASUS TUF GAMING Z790-PLUS WIFI Intel Z790 LGA 1700 ATX

ASUS TUF GAMING Z790-PLUS WIFI Intel Z790 LGA 1700...

Shop Now
ASUS ROG STRIX B760-I GAMING WIFI Intel B760 LGA 1700 mini ITX

ASUS ROG STRIX B760-I GAMING WIFI Intel B760 LGA 1...

Shop Now
MSI MAG Z790 TOMAHAWK WIFI motherboard Intel Z790 LGA 1700 ATX

MSI MAG Z790 TOMAHAWK WIFI motherboard Intel Z790 ...

Shop Now
ASUS ROG STRIX B760-A GAMING WIFI Intel B760 LGA 1700 ATX

ASUS ROG STRIX B760-A GAMING WIFI Intel B760 LGA 1...

Shop Now
MSI MAG B850 TOMAHAWK MAX WIFI motherboard AMD B850 Socket AM5 ATX

MSI MAG B850 TOMAHAWK MAX WIFI motherboard AMD B85...

Shop Now
MSI PRO B850-P WIFI motherboard AMD B850 Socket AM5 ATX

MSI PRO B850-P WIFI motherboard AMD B850 Socket AM...

Shop Now
ASUS PRIME X870-P AMD X870 Socket AM5 ATX

ASUS PRIME X870-P AMD X870 Socket AM5 ATX

Shop Now
ASUS TUF GAMING B650-E WIFI AMD B650 Socket AM5 ATX

ASUS TUF GAMING B650-E WIFI AMD B650 Socket AM5 AT...

Shop Now
MSI MPG B760I EDGE WIFI motherboard Intel B760 LGA 1700 mini ATX

MSI MPG B760I EDGE WIFI motherboard Intel B760 LGA...

Shop Now
MSI Z790 GAMING PLUS WIFI motherboard Intel Z790 LGA 1700 ATX

MSI Z790 GAMING PLUS WIFI motherboard Intel Z790 L...

Shop Now
ASUS ROG STRIX B650E-I GAMING WIFI AMD B650 Socket AM5 mini ITX
Recommended

ASUS ROG STRIX B650E-I GAMING WIFI AMD B650 Socket...

Shop Now
ASUS PRIME Z790-P WIFI Intel Z790 LGA 1700 ATX

ASUS PRIME Z790-P WIFI Intel Z790 LGA 1700 ATX

Shop Now
ASUS PRIME Z790-P Intel Z790 LGA 1700 ATX

ASUS PRIME Z790-P Intel Z790 LGA 1700 ATX

Shop Now
GIGABYTE B650 GAMING X AX V2 Motherboard - AMD Ryzen 9000 Series CPUs, 8+2+2 Phases VRM, up to 8000MHz DDR5 (OC), 1xPCIe 5.0 + 2xPCIe 4.0 M.2, 2.5GbE LAN, WIFI 6E, USB 3.2 Gen 2
Popular

GIGABYTE B650 GAMING X AX V2 Motherboard - AMD Ryz...

Shop Now
ASUS Prime X870-P WIFI AMD X870 Socket AM5 ATX
Hot Product

ASUS Prime X870-P WIFI AMD X870 Socket AM5 ATX

Shop Now
ASUS TUF GAMING B760M-PLUS WIFI II Intel B760 LGA 1700 micro ATX

ASUS TUF GAMING B760M-PLUS WIFI II Intel B760 LGA ...

Shop Now
ASUS TUF GAMING B850-PLUS WIFI AMD B850 Socket AM5 ATX
Bestseller

ASUS TUF GAMING B850-PLUS WIFI AMD B850 Socket AM5...

Shop Now

You may also be interested in

Compare Products
Product ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX ASUS PRIME B850-PLUS WIFI AMD B850 Soc...
£192.71 £160.59
ASUS TUF GAMING B650-PLUS WIFI AMD B650 Socket AM5 ATX
Recommended
 ASUS TUF GAMING B650-PLUS WIFI AMD B65...
£173.83 £144.86
ASUS ROG STRIX B650E-I GAMING WIFI AMD B650 Socket AM5 mini ITX
Hot Product
 ASUS ROG STRIX B650E-I GAMING WIFI AMD...
£263.88 £219.90
ASUS ROG STRIX B650E-F GAMING WIFI AMD B650 Socket AM5 ATX ASUS ROG STRIX B650E-F GAMING WIFI AMD...
£205.24 £171.03
MSI MPG B760I EDGE WIFI motherboard Intel B760 LGA 1700 mini ATX
Popular
 MSI MPG B760I EDGE WIFI motherboard In...
£204.94 £170.78
MSI Z790 GAMING PLUS WIFI motherboard Intel Z790 LGA 1700 ATX
Bestseller
 MSI Z790 GAMING PLUS WIFI motherboard...
£215.18 £179.32
SKU
90MB1L80-M0EAY0
90MB1BZ0-M0EAY0
90MB1BI0-M0EAY0
90MB1BQ0-M0EAY0
MPG B760I EDGE WIFI
Z790 GAMING PLUS WIFI
Manufacturer
ASUS
ASUS
ASUS
ASUS
MSI
MSI
Processor manufacturer
AMD
AMD
AMD
AMD
Intel
Intel
Motherboard form factor
ATX
ATX
mini ITX
ATX
mini ATX
ATX
Processor socket
Socket AM5
Socket AM5
Socket AM5
Socket AM5
LGA 1700
LGA 1700
Supported memory types
DDR5-SDRAM
DDR5-SDRAM
DDR5-SDRAM
DDR5-SDRAM
DDR5-SDRAM
DDR5-SDRAM
Component for
PC
PC
PC
PC
PC
PC
Number of memory slots
4 to 6
4 to 6
2 to 3
4 to 6
2 to 3
4 to 6