Home Supplier Discovery Computer Products DVD Drive

Dvd External Drive Manufacturers & Suppliers

Dvd External Drive Total 148 manufacturers & suppliers found with 444 products

Maxspeed Group Co., Ltd

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area375
Plant Area
Number of Employees34
Number of Employees
Trading Company
Coffee Tables , Dining Table , Writing Desk , Computer Desk , Beach Chair
OEM, ODM
Others
  • USB3.0 External DVD Burner Optical Drive Desktop/Laptop External Drive Type C Optical Drive
    US$ 6.5 / Piece
    500 Pieces (MOQ)
  • 3.0 Brushed DVD Optical Drive DVD Burner Blu-Ray Play Burner Universal Optical Disc Drive
    US$ 3.5 / Piece
    500 Pieces (MOQ)
  • USB3.0 &Type-C CD/DVD Burner Notebook Universal Mobile CD/DVD Burner Optical Drive
    US$ 27 / Piece
    500 Pieces (MOQ)

Shenzhen DJS Co., Ltd.

China Supplier - Diamond MemberSince 2007

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
POS Computer , All in One PC , Mini PC , Desktop Computer , Laptop
OEM
ISO 9001
  • All-in-One PC 21.5-Inch HD+ Display Intel J1900 Processor 4 GB Memory 500 GB Hard Drive and Windows 10
    US$ 388.65 / Piece
    10 Pieces (MOQ)
  • 21.5 All-in-One Desktop Computer, up to 2.42GHz, 4GB DDR3 RAM, 1tb Hard Drive, WiFi, USB2.0 White, Win10 Home Office
    US$ 158.43 / Piece
    2 Pieces (MOQ)
  • 21.5-Inch All-in-One Computer, Intel Hm55 Chipset, 4GB RAM, 500 Tb Hard Drive, Win10
    US$ 158.43 / Piece
    2 Pieces (MOQ)

Jinjiang City Shuntai Supply Chain Management Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Manufacturer/Factory
Mould , Toy , Bags , Shoes , Furniture
Quanzhou, Fujian
  • DVD RW Notebook Desktop Universal External Optical Drive DVD Burner
    US$ 5.59 / Piece
    500 Pieces (MOQ)
  • USB3.0 External Optical Drive Mobile CD DVD Burner
    US$ 7.2 / Piece
    500 Pieces (MOQ)
  • Wholesales USB 3.0 External DVD Burner Optical Drive Desktop
    US$ 9.47 / Piece
    500 Pieces (MOQ)

GuangZhou Ronc Electronic Technology co.,LTD

China Supplier - Diamond MemberSince 2009

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Manufacturer/Factory , Group Corporation
USB Cable , USB Charger , Bluetooth Mini Speaker , USB Flash Drive , Blank CD DVD
OEM, Own Brand
ISO 9001, ISO 9000, ISO 14001, HSE, GMP...
  • CD/DVD Copy Machine CD Burner Duplicator
    US$ 435 / Piece
    1 Piece (MOQ)
  • 5-11 Trays CD Duplicator DVD Burner for Disc Recording
    US$ 250 / Piece
    1 Piece (MOQ)
  • High Effective Burner 1 in 5PCS DVD Duplicator Tower
    US$ 230 / Set
    1 Set (MOQ)

Beijing Xin Qi Dian Technology Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory
Server/Computer/Laptop/Workstation/Desktop , Storage/All in One/Processor/Hard Drive , Memory/RAID Card/Net Card/CPU/Power Supply , Graphic Card/Riser Card It Hardware , Rack Server/Tower Server/Industrial Grade Server
OEM
Beijing, Beijing
  • Hpe Proliant Ml30 Gen10 Network Tower Computer Server
    US$ 1300 / Piece
    1 Piece (MOQ)
  • Hpe Proliant Ml30 Gen10 E-2124 1p 8GB-U S100I 4lff Nhp 350W PS 4u Tower Server
    US$ 1300 / Piece
    1 Piece (MOQ)
  • Dells Poweredge R540 Intel Xeon Gold 5218 Rack Server
    US$ 3000 / Piece
    1 Piece (MOQ)

Xi`an Cheegon Electric Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees41
Number of Employees
Manufacturer/Factory , Trading Company
Low-voltage soft starter; High-voltage soft starter Device; Low-voltage VFD; High-voltage VFD Device
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015, ISO20000-1:2018, ISO27001:2013
  • 380V AC Motor Variable Frequency Drives for Industrial Machinery VFD
    US$ 99 / Piece
    1 Piece (MOQ)
  • CE Asynchronous Motor Variable Speed Driver VFD
    US$ 126 / Piece
    1 Piece (MOQ)
  • Industrial Machinery VFD - 380V AC Motor Variable Frequency Drives
    US$ 112 / Piece
    1 Piece (MOQ)
Manufacturer/Factory
Audio Cable , Active USB 2.0&3.0 Cable , Instrument Cable , Extension Cable , Power Cord
Own Brand
Suzhou, Jiangsu
  • External DVD Burner
    Negotiable
    100 Pieces (MOQ)
  • External DVD Burner
    Negotiable
    100 Pieces (MOQ)
Trading Company
Processor , SSD , Motherboard , Computer RAM , Computer Accessories
Shenzhen, Guangdong
  • External CD Drive, USB 3.0 Slim External CD DVD ROM Drive Writer Reader Burner, Portable CD DVD RW Drive/Writer/Burner Optical Player External DVD Drive for Mac
    US$ 28 / Piece
    1 Piece (MOQ)
  • Black Slim External USB Blu-Ray Player, External USB DVD RW Laptop Burner Drive
    US$ 42 / Piece
    1 Piece (MOQ)

Jinjiang Jiaxing Import and Export Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory
Shoes , Slipper , Clothes , Promotion Gifts , Silicone Products
OEM, ODM
ISO 9001
  • Hot Selling Blu-Ray DVD Drives
    US$ 11.9 / Piece
    500 Pieces (MOQ)
  • Wholesales Rewritable DVD Drives
    US$ 26 / Piece
    500 Pieces (MOQ)

Shenzhen Huaxing Technology Co., Ltd.

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area120
Plant Area
Number of Employees3
Number of Employees
Trading Company
Hard Disk , RAM , Motherboard , CPU , Seagate HDD
ODM, OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
  • Seagate St2000vx008 Skyhawk 3.5-Inch 64MB Cache 2000GB Internal Hard Drive
    US$ 30 / Piece
    3 Pieces (MOQ)

Changzhou Lesen Electronics Technology Co., Ltd.

China Supplier - Diamond MemberSince 2010

Suppliers with verified business licenses

5.0
Annual Revenue3.5 Mil
Annual Revenue
Plant Area200
Plant Area
Number of Employees15
Number of Employees
Manufacturer/Factory , Trading Company
HDMI DVI VGA Cable , Displayport Cable , USB Cable , Speaker Cable , Alarm Cable
OEM
Changzhou, Jiangsu
  • Aluminum Alloy 5-in-1 Multiport Hub with USB-C Connectors SD/TF Card Reader USB3.0 Adapter
    US$ 5.5 / Piece
    500 Pieces (MOQ)
  • 5 in 1 USB Hub Type C to SD TF Card Reader + USB3.0*3 Charging Adapter for MacBook
    US$ 5.5 / Piece
    500 Pieces (MOQ)
  • 5 in 1 USB C Hub Multi Function Adapter for MacBook PRO
    US$ 5.5 / Piece
    500 Pieces (MOQ)

Ant Operation (Beijing) Technology Service Co., LTD

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory
Networking Products , Servers , Switches , Storage , Firewall
OEM
ISO 9001, ISO 9000
  • Poweredge R740 Network Storage System 2u Rack Server Enterprise Level Server
    US$ 2639 / Piece
    2 Pieces (MOQ)
  • Deii Precision T5820 Tower Workstation W-2225/8g/1t/RW
    US$ 2350 / Piece
    2 Pieces (MOQ)
  • 2u R740 4210r/8g*1/600g Sas 10K*1/H330/DVD/750W*1/3.5-8 Poweredge R740 Servers
    US$ 2500 / Set
    1 Set (MOQ)

Shenzhen Longwei Technology Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Manufacturer/Factory
Wireless Earphone , Phone Chargers , Phone Cables , Phone Case , Phone Accessories
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
  • Full Capacity Flash 16GB Mico TF High Speed 16GB SD Memory Card
    US$ 5.39 / Piece
    10 Pieces (MOQ)

Huizhou Wandong Computer Technology Co., Ltd

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
All in One PC , All in One Computer , Desktop Computer , Computer , Gaming PC
OEM, ODM
ISO 9001
  • Wandong I3 I5 I7 Monoblock Office Desktop PC All in One PC 21.5 23.8 Inch LED SSD IPS OLED All-in-One PC
    US$ 98 / Piece
    2 Pieces (MOQ)
  • Wandong Computer Kit Full Set Desktop Monoblock PC All in One Computadoras
    US$ 98 / Piece
    2 Pieces (MOQ)
  • Wandong All in One PC Computer Slim Tablet PC Aio Desktops
    US$ 98 / Piece
    2 Pieces (MOQ)

Changzhou Hiyou Microline Electron Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory
USB 3.1 Type-C Cable , High-Speed 4K/8K HDMI Cable , 4K Fiber Active Optical Cable , S/FTP Cat. 7 and Cat. 8 Patch Cord , Displayport 4K/8K Cable
OEM, ODM
ISO 9001, ISO 9000
  • External USB3.0V External DVD Burner Driver Type C Port
    US$ 9.675 / Piece
    100 Pieces (MOQ)
  • External USB3.0V External DVD Burner Driver A Port
    US$ 10.015 / Piece
    100 Pieces (MOQ)
  • Cable SlimLine SATA to USB 3.0 Data and Power
    US$ 4.675 / Piece
    500 Pieces (MOQ)

Shenzhen Zhihuo Technology Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Number of Employees20
Number of Employees
Manufacturer/Factory , Trading Company
All In One PC , Mini PC , OPS , All In One Machine , Touch All In One Machine
Own Brand, ODM, OEM
ISO 9001
  • 27-Inch All-in-One Computer with Built-in Battery and External Camera
    US$ 220 / Piece
    10 Pieces (MOQ)
  • Yowxii 27 Inch 13th Generation Core I5 I7 High-End All-in-One Computer Home Office Gaming External Rotatable Camera All-in-One Computer
    US$ 240 / Piece
    10 Pieces (MOQ)
  • Yowxii 27 Inch Integrated Computer with Built-in Battery External Camera Fashionable Body/Exquisite Micro Edges All in One Computer
    US$ 3 / Piece
    10 Pieces (MOQ)

Kolorapus (Shanghai) Communication Technology Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area450
Plant Area
Number of Employees16
Number of Employees
Trading Company
Copper Cable , Optical Cable , Active Products , Intelligent Audio and Video Cable , Network Accessories
OEM, Own Brand
ISO9001:2015, ISO14001:2015, ISO45001: 2018
  • USB a to USB B 3.0 Cable (10FT) Type a to B Male Cable Compatible with Printers, Monitor, Docking Station, External Hard Drivers
    US$ 16.99 / Piece
    10 Pieces (MOQ)
  • USB 3.0 Cable a Male to B Male 3FT, Superspeed USB 3.0 a-B/a Male to B Male Cable - for Scanner, Printers, Desktop External Hard Drivers and More (3FT/1M)
    US$ 6.5 / Piece
    10 Pieces (MOQ)
  • USB 3.0 Cable a Male to B Male 15FT, Tan Qy Type a to B Male Compatible with Hard Disk Drive, Printers, Scanner, USB Hub, Monitor and More (5M/15FT)
    US$ 6.5 / Piece
    10 Pieces (MOQ)

Shenzhen Anera Tech Company Limited

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory , Trading Company
VGA Cable , USB Cable , WiFi Adapter , Aux Cable , DVI Cable
OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000
  • Aluminum 2ND HDD Caddy 9.5mm SATA 3.0 Optibay Hard Disk Drive Box Enclosure DVD Adapter Case 2.5 SSD Caddy HDD for Laptop
    US$ 0.72 / Piece
    100 Pieces (MOQ)
  • HDD Caddy for Laptop 9.5mm 2ND Second DVD 2.5" SATA SSD Hard Drive
    US$ 0.72 / Piece
    100 Pieces (MOQ)
  • Universal Aluminum Plastic for Laptop CD-ROM Optibay 2ND HDD Caddy 12.7mm SATA 3.0 2.5" SSD DVD Hard Disk Case Enclosure
    US$ 0.72 / Piece
    100 Pieces (MOQ)

Shenzhen Vitek Electronics Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Laptop , Tablet PC , Gaming Mouse , All in One PC , LED TV
OEM, ODM
ISO 9001, ISO 14001
  • 14inch OEM Gaming Cheap Laptops for Students VGA HDMI I7 SSD Hard Drive 1tb 16GB RAM High Quality Laptop
    US$ 290 / Piece
    2000 Pieces (MOQ)
  • Vtex High Gain Dual-Band WiFi+Bt All in One Computers Gaming with Hiding Camera All in One Desktop
    US$ 359 / Piece
    50 Pieces (MOQ)
  • Hot Gaming PC All in One I5 Dual RAM Slot
    US$ 429 / Piece
    50 Pieces (MOQ)

Shenzhen Caratar Technology Co., Ltd.

China Supplier - Gold MemberSince 2021

Suppliers with verified business licenses

4.0
Plant Area1200
Plant Area
Number of Employees62
Number of Employees
Manufacturer/Factory
USB Cable , USB Serial Cable , FTDI Cable , POE Splitter , POE Injector
Own Brand, ODM, OEM
Nil
  • HDMI Multi-Head Catx Extender -HDMI/USB 2.0/Audio-330′ (100m)
    US$ 79 / Piece
    200 Pieces (MOQ)
  • USB 2.0 Two-Port Cat 5e/6/7 100m Extender
    US$ 99 / Piece
    200 Pieces (MOQ)
  • USB2.0 Fiber USB2.0 Fiber Extender
    US$ 99 / Piece
    200 Pieces (MOQ)

Guangzhou Xin Flying Digital Technology Co., Ltd

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Dtf Printer , UV Dtf Printer , Sublimation Printer , Sublimation Ink/Eco Solvent Ink/UV Ink , Roller Heat Transfer Machine
OEM, ODM
ISO 9001, ISO 9000
  • Roll to Roll Textile Sublimation Printer Heat Transfer Printing Machine for Clothes
    US$ 5400 / Piece
    1 Piece (MOQ)
  • Large Format Xinflying Lifetime Warranty 1900mm I3200-A1 Dye Sublimation Printer
    US$ 8000 / Piece
    1 Piece (MOQ)
  • Xinflying 1.8m Large Format Plotter with 3PCS I3200 Print Heads Sublimation Printer
    US$ 6200 / Set
    1 Set (MOQ)

Guangzhou MeCan Medical Limited

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Number of Employees58
Number of Employees
Trading Company
Sterilizer; Dental chair; Hyperbaric oxygen chamber; Infant incubator
OEM, Own Brand
ISO 9001, ISO 9000, ISO 13485
  • Portable Ultrasonic Diagnostic Devices Type Handheld Audio Convert Cable Fetal Monitor
    Negotiable
    1 Piece (MOQ)
  • Examination Therapy Equipments, Portable Color Doppler Type Ultrasound
    Negotiable
    1 Piece (MOQ)
  • FDA Most Affordable USB Ultrasound Probe Price at Low Price
    Negotiable
    1 Piece (MOQ)

Jiangsu Rooe Medical Technology Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Hospital Bed , Operating Table , Operating Light , Sterilizer , Anesthesia Machine
OEM, ODM, Own Brand
ISO 9001, ISO 13485
  • Hospital Gynecology Obstetric Double LCD Display Trolley Color Doppler Ultrasound Scanner
    US$ 2000 / Piece
    1 Piece (MOQ)
  • Hospital Digital Color Doppler Ultrasonic Diagnostic System Trolley Ultrasound Scanner
    US$ 2000 / Piece
    1 Piece (MOQ)
  • Usc80plus Medical Supply Economical Middle-End Trolley Cardiac Color Ultrasound Scanner with LCD Display
    US$ 7000 / Piece
    1 Piece (MOQ)

Dedi Technology Co., Ltd.

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory , Trading Company
Digital Signage , LCD Kiosk , LCD Video Wall , Smart Magic Mirror , Ultra-Wide Stretch Bar LCD Display
OEM, ODM
ISO 9001, ISO 9000, ISO 20000, OHSAS/ OHSMS 18001, ANSI/ESD...
  • Favorable Price 1.2m Length 65" Ultra Wide Stretched Advertising LCD Display
    US$ 500 / Piece
    1 Piece (MOQ)
  • Dedi Indoor 55inch LCD Stand Alone USB Version Advertising Digital Signage
    US$ 300 / Piece
    1 Piece (MOQ)
  • Floor Standing Digital Signage 28.6 Inch TFT Advertising Playervedio Media Ad Player
    US$ 200 / Piece
    1 Piece (MOQ)

Nanjing Poweam Medical Co., Ltd.

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Ultrasound Scanner , Color Doppler , X-ray Film , X-ray Film Processor , ECG
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 13485, FSC
  • New Gasoline First-Aid Rescue Emergency Ambulance Vehicle
    US$ 20000 / Piece
    1 Piece (MOQ)
  • New Gasoline Emergency Ambulance Vehicle
    US$ 20000 / Piece
    1 Piece (MOQ)
  • China Best Negative Pressure Ambulance
    US$ 20000 / Piece
    1 Piece (MOQ)

Jinan Spower Machinery Technology Co., Ltd.

China Supplier - Diamond MemberSince 2021

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory , Trading Company , Group Corporation
CNC Router , Fiber Laser Cutting Machine , CO2 Laser Cut Machine , Wood CNC Router , Beam Saw
OEM
ISO 9001
  • High Performance 4 Axis CNC Router Engraving Machine 1325 for Composite Door Wood Furniture Cutting and Carving CNC Router
    US$ 4000 / Piece
    1 Piece (MOQ)
  • Machinery CNC Wood Router Engraving 4 Axis Atc Wood Furniture Carving Milling CNC Router
    US$ 4000 / Piece
    1 Piece (MOQ)
  • Advertising Making 3 Axis CNC Router Machine for Furniture Design Signs Cuting Wood Router 1325
    US$ 3500 / Piece
    1 Piece (MOQ)

Elandphone Electronic Co., Ltd.

China Supplier - Diamond MemberSince 2016

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
HDMI Splitter , HDMI Switch , HDMI Extender , HDMI Cable , HDMI Converter
OEM, Own Brand
ISO 9001, ISO 9000
  • VGA to HDMI Adapter, VGA to HDMI
    US$ 3.55 / Piece
    1000 Pieces (MOQ)
  • PS2 to HDMI Converter
    US$ 4.21 / Piece
    1000 Pieces (MOQ)
  • USB 2.0 SATA Cable
    US$ 5.05 / Piece
    1000 Pieces (MOQ)

Beijing Guangtian Runze Technology Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area105
Plant Area
Number of Employees22
Number of Employees
Trading Company
Server , Laptop Computer , Graphics , Displaycard , Workstation
OEM
within 15 workdays
  • Support Customization De Ll R740 Poweredge 2u Rack Xeon RAM Server
    US$ 1850 / pieces
    2 pieces (MOQ)
  • Support Customization De Ll R740 Poweredge 2u Rack Xeon RAM Server
    US$ 1350 / Piece
    2 Pieces (MOQ)
  • Stock R640/R740/R340 Internet/Xeon/Poweredge Rack Server
    US$ 1200 / Piece
    1 Piece (MOQ)

Guangzhou Samqing Trading Co., Ltd

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Trading Company
Server&Workstation , Server Accessories , Network Switch , Network Router , Network Security
Own Brand
within 15 workdays
  • Sr550 2u Rack Server/Intel Xeon 4215 CPU/64G RAM/2X1GB Network Card/Dpu
    US$ 1690 / Piece
    1 Piece (MOQ)
  • Sr550 2u Network Server/Intel Xeon 5220 CPU/128g RAM/4X1GB Network Card/Dpu
    US$ 2890 / Piece
    1 Piece (MOQ)
  • Lenovo. Sr250 1u Custom Server/Intel G5400 CPU/32g RAM/2X1GB Network Card/Dpu
    US$ 1099 / Piece
    5 Pieces (MOQ)

Global Sunrise Lights Electrical Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area1500
Plant Area
Number of Employees20
Number of Employees
Manufacturer/Factory , Trading Company
Solar Generator; solar Power System; solar Street Lights; solar Home Lights; LED Lights
ODM, OEM
ISO 9001, ISO 9000, ISO 14000, ISO 20000
  • New Design 500W Solar Energy Storage Device Mini Charging Station for Laptop Camera
    US$ 220 / Set
    4 Sets (MOQ)
  • 500W Camping 220V Outdoor off Grid Mobile LiFePO4 Lithium Battery Portable Power Station Solar Generator
    US$ 220 / Piece
    6 Pieces (MOQ)
  • 500W Solar Power All-in-One Solar Products for Laptop Camera Phone FM Charging with Charging Display Solar Power Station
    US$ 220 / Set
    4 Sets (MOQ)
Items per Page: 10 | 30 | 50
1 2 3 4 5