Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us

Added to Cart

Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro home
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
0
 Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Electronics
  4. /
  5. Computer Internal Components
  6. /
  7. Expansion Cards

Expansion Cards (432 items)

Asi RJ45 Breakout Board, RJ45 Ethernet Connector Breakout Board, DIN Rail Mount, RJ45 To Screw Terminals 16001
Asi

RJ45 Breakout Board, RJ45 Ethernet Connector Breakout Board, DIN Rail Mount, RJ45 To Screw Terminals

Zoro # G109076316
Mfr # 16001
product price: 
$34.75
/ea
Advantech Port-Powered Rs-232 To Tb Rs-485 Converter BB-485SD9TB
Advantech

Port-Powered Rs-232 To Tb Rs-485 Converter

Zoro # G900700786
Mfr # BB-485SD9TB
product price: 
$107.99
/ea
Advantech Rs-232 To Rs-422/485 Converter, Din Rail, Iso BB-485LDRC9
Advantech

Rs-232 To Rs-422/485 Converter, Din Rail, Iso

Zoro # G000700785
Mfr # BB-485LDRC9
product price: 
$195.99
/ea
Add-On Addon Hp 656596-B21 Comparable 10Gbs Dual Open Rj-45 Port 100M Pcie 656596-B21-AO
Add-On

Addon Hp 656596-B21 Comparable 10Gbs Dual Open Rj-45 Port 100M Pcie

Zoro # G0590419
Mfr # 656596-B21-AO
product price: 
$264.99
/ea
Asus 10G NETWORK ADAPTER PCI-E X4 CARD, RJ-45 FOR 1 X 100MBPS/1GBPS/2.5GBPS/5 XG-C100C
Asus

10G NETWORK ADAPTER PCI-E X4 CARD, RJ-45 FOR 1 X 100MBPS/1GBPS/2.5GBPS/5

Zoro # G522880934
Mfr # XG-C100C
product price: 
$171.99
/ea
Startech.Com 2 Port PCIe USB 3.0 Card Adapter w/ UASP PEXUSB3S24
Startech.Com

2 Port PCIe USB 3.0 Card Adapter w/ UASP

Zoro # G816559416
Mfr # PEXUSB3S24
product price: 
$39.85
/ea
Startech.Com 2-Port PCI Express RS232 Serial Card 21050-PC-SERIAL-CARD
Startech.Com

2-Port PCI Express RS232 Serial Card

Zoro # G116451083
Mfr # 21050-PC-SERIAL-CARD
product price: 
$67.89
/ea
Sanoxy 6-pin to 8-pin PCI Express Power Converter Cable for GPU Video Card PCIE PCI-E SANOXY-CABLE64
Sanoxy

6-pin to 8-pin PCI Express Power Converter Cable for GPU Video Card PCIE PCI-E

Zoro # G310039070
Mfr # SANOXY-CABLE64
product price: 
$11.75
/ea
Startech.Com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 DB9 Serial Card, 16C1050 UART, 21050-PC-SERIAL-LP
Startech.Com

2-Port PCI Express Serial Card, Dual Port PCIe to RS232 DB9 Serial Card, 16C1050 UART,

Zoro # G316451005
Mfr # 21050-PC-SERIAL-LP
product price: 
$73.79
/ea
Advantech 232/485 Conv W/Tb&Led BB-485TBLED
Advantech

232/485 Conv W/Tb&Led

Zoro # G700700795
Mfr # BB-485TBLED
product price: 
$113.99
/ea
Startech.Com 4 PORT PCI EXPRESS USB 3.0 CARD - 3 + 1 PEXUSB3S42
Startech.Com

4 PORT PCI EXPRESS USB 3.0 CARD - 3 + 1

Zoro # G916559354
Mfr # PEXUSB3S42
product price: 
$47.19
/ea
Cisco 4 x 1G/10G Network Module - For Data Networking10 Gigabit Ethernet - 10GBase-X - 4.0 x Expansion Slots C9200-NM-4X=
Cisco

4 x 1G/10G Network Module - For Data Networking10 Gigabit Ethernet - 10GBase-X - 4.0 x Expansion Slots

Zoro # G015190410
Mfr # C9200-NM-4X=
product price: 
$1,781.07
/ea
Advantech 2-4 Wire 422/485 Converter With Terminal Blocks BB-4WSD9TB
Advantech

2-4 Wire 422/485 Converter With Terminal Blocks

Zoro # G500700810
Mfr # BB-4WSD9TB
product price: 
$122.99
/ea
Advantech Serial Rs-232 9-Pin Modem Data Splitter BB-9PMDS
Advantech

Serial Rs-232 9-Pin Modem Data Splitter

Zoro # G800700831
Mfr # BB-9PMDS
product price: 
$102.99
/ea
Advantech Triple Isolated Rs-232 To Rs-422/485 Converter BB-485DRCI
Advantech

Triple Isolated Rs-232 To Rs-422/485 Converter

Zoro # G800700770
Mfr # BB-485DRCI
product price: 
$253.99
/ea
Add-On Addon 1Gbs Dual Rj-45 Nic F/Cisco N2XX-ABPCI01-M3-AO
Add-On

Addon 1Gbs Dual Rj-45 Nic F/Cisco

Zoro # G0570137
Mfr # N2XX-ABPCI01-M3-AO
product price: 
$87.49
/ea
Startech.Com 1-PORT GIGABIT PCIE NETWORK ADAPTER CARD, LOW-PROFILE NIC, 10/100/1000MBPS PCI E ST1000SPEX2LT
Startech.Com

1-PORT GIGABIT PCIE NETWORK ADAPTER CARD, LOW-PROFILE NIC, 10/100/1000MBPS PCI E

Zoro # G721705861
Mfr # ST1000SPEX2LT
product price: 
$39.65
/ea
Startech.Com USB 3.2 GEN 2X2 PCIE CARD - USB-C 20GBPS PEXUSB321C
Startech.Com

USB 3.2 GEN 2X2 PCIE CARD - USB-C 20GBPS

Zoro # G316559336
Mfr # PEXUSB321C
product price: 
$70.15
/ea
Antaira 4-Port RS-232 PCI Express Card, Support Power Over Pin-9 MSC-204A2
Antaira

4-Port RS-232 PCI Express Card, Support Power Over Pin-9

Zoro # G006620599
Mfr # MSC-204A2
product price: 
$143.99
/ea
Skilledpower PCI-Express Multi I-O- Parallel- Serial Cards SK536851
Skilledpower

PCI-Express Multi I-O- Parallel- Serial Cards

Zoro # G809163958
Mfr # SK536851
product price: 
$40.95
/ea
Startech.Com 4-PORT SERIAL PCIE CARD, QUAD-PORT PCI EXPRESS TO RS232/RS422/RS485 DB9 SERIAL CARD, PS74ADF-SERIAL-CARD
Startech.Com

4-PORT SERIAL PCIE CARD, QUAD-PORT PCI EXPRESS TO RS232/RS422/RS485 DB9 SERIAL CARD,

Zoro # G916450712
Mfr # PS74ADF-SERIAL-CARD
product price: 
$244.99
/ea
Advantech Rev 485Conv W/Sd Ctrl BB-485COSR
Advantech

Rev 485Conv W/Sd Ctrl

Zoro # G600700772
Mfr # BB-485COSR
product price: 
$112.99
/ea
Add-On Addon Intel I350T2 Comparable 10/100/1000Mbs Dual Open Rj-45 Port I350T2-AO
Add-On

Addon Intel I350T2 Comparable 10/100/1000Mbs Dual Open Rj-45 Port

Zoro # G0571589
Mfr # I350T2-AO
product price: 
$216.99
/ea
Advantech 9 Pin Rs-232 Isolator, BB-9POP4 BB-9POP4
Advantech

9 Pin Rs-232 Isolator, BB-9POP4

Zoro # G300700799
Mfr # BB-9POP4
product price: 
$147.99
/ea
Startech.Com 4-PORT M.2 TO SATA ADAPTER CARD, M.2 PCIE 3.0 TO SATA HDD/SSD EXPANSION CARD, AS 4P-SATA-M2-ADAPTER
Startech.Com

4-PORT M.2 TO SATA ADAPTER CARD, M.2 PCIE 3.0 TO SATA HDD/SSD EXPANSION CARD, AS

Zoro # G921705500
Mfr # 4P-SATA-M2-ADAPTER
product price: 
$51.65
/ea
Abacus 8 Port Non-RAID SATA III PCI-e x4 Controller Card - Dual SFF-8087 Interface Marvell 9215 Chipset AB3758695
Abacus

8 Port Non-RAID SATA III PCI-e x4 Controller Card - Dual SFF-8087 Interface Marvell 9215 Chipset

Zoro # G412183794
Mfr # AB3758695
product price: 
$139.99
/ea
Startech.Com 4-Port GbE SFP Network Card, PCIe 2.0 x2 x4, x8, x16 Compatible, Intel I350-AM4 4x GbE P041GI-NETWORK-CARD
Startech.Com

4-Port GbE SFP Network Card, PCIe 2.0 x2 x4, x8, x16 Compatible, Intel I350-AM4 4x GbE

Zoro # G416479190
Mfr # P041GI-NETWORK-CARD
product price: 
$339.99
/ea
Startech.Com 4-PORT RJ45 GIGABIT OCP 3.0 SERVER NETWORK CARD W/INTEL I350-AM4, SFF 4C+ COMPAT OR41GI-NETWORK-CARD
Startech.Com

4-PORT RJ45 GIGABIT OCP 3.0 SERVER NETWORK CARD W/INTEL I350-AM4, SFF 4C+ COMPAT

Zoro # G915190411
Mfr # OR41GI-NETWORK-CARD
product price: 
$392.99
/ea
Synology America SYNOLOGY NETWORK UPGRADE MODULE ADDS 1X 10GBE RJ-45 E10G22-T1-MINI
Synology America

SYNOLOGY NETWORK UPGRADE MODULE ADDS 1X 10GBE RJ-45

Zoro # G615190407
Mfr # E10G22-T1-MINI
product price: 
$143.99
/ea
Iocrest SI-PEX40137 8 Port Non-RAID SATA III PCI-e x4 Controller Card - Dual SFF-8087 Interface Marvell 9215 Chipset SI-PEX40137
Iocrest

SI-PEX40137 8 Port Non-RAID SATA III PCI-e x4 Controller Card - Dual SFF-8087 Interface Marvell 9215 Chipset

Zoro # G904044299
Mfr # SI-PEX40137
product price: 
$139.99
/ea
Startech.Com 2-PORT 5G GIGABIT PCIE NETWORK ADAPTER CARD, 5G/2.5G/1G/100M/10M PCI EXPRESS LAN PR25GR-NETWORK-CARD
Startech.Com

2-PORT 5G GIGABIT PCIE NETWORK ADAPTER CARD, 5G/2.5G/1G/100M/10M PCI EXPRESS LAN

Zoro # G722445032
Mfr # PR25GR-NETWORK-CARD
product price: 
$173.99
/ea
Skilledpower 4 Port SATA III Mini PCI-E Controller Card SK3760158
Skilledpower

4 Port SATA III Mini PCI-E Controller Card

Zoro # G613789320
Mfr # SK3760158
product price: 
$65.59
/ea
Add-On Addon Hp Bk835A Comparable 10Gbs Dual Open Sfp+ Port Pcie X8 Network BK835A-AO
Add-On

Addon Hp Bk835A Comparable 10Gbs Dual Open Sfp+ Port Pcie X8 Network

Zoro # G0582192
Mfr # BK835A-AO
product price: 
$351.99
/ea
Startech.Com 2-PORT GBE SFP NETWORK CARD, PCIE 2.0 X1, INTEL I350-AM2 2X 1GBE CONTROLLER, 1000BASE P021GI-NETWORK-CARD
Startech.Com

2-PORT GBE SFP NETWORK CARD, PCIE 2.0 X1, INTEL I350-AM2 2X 1GBE CONTROLLER, 1000BASE

Zoro # G016479217
Mfr # P021GI-NETWORK-CARD
product price: 
$203.99
/ea
Nextgen IO Crest Half Height 2 Port SATA III RAID Mini PCI-e 2.0 Card Half Size SATA Controller NE3561996
Nextgen

IO Crest Half Height 2 Port SATA III RAID Mini PCI-e 2.0 Card Half Size SATA Controller

Zoro # G112495494
Mfr # NE3561996
product price: 
$52.69
/ea
Startech.Com Serial Card - 16-Port PCIe PEX16S550LP
Startech.Com

Serial Card - 16-Port PCIe

Zoro # G116450741
Mfr # PEX16S550LP
product price: 
$545.99
/ea
Expansion Cards (432 items)
  • 1
    of 12 pages
  • Next
  • Last
How was your search?

Related Categories

Computer Power SuppliesUSB CablesTwo Way Radios & AccessoriesTV Mounts & StandsTransceivers
Network Serial CablesEthernet SwitchesDisposable Standard BatteriesResistorsComputer Mice
breakout boardethernet connectorsvideo cardethernet connectorrs 485 converter
nvme ssdusb to isolated rs-485KeyboardsUSB Flash Drives

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption
Zoro home

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us
© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro home