Skip to main content
  • In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Type
Show More
External USB Ports
Show More
Thunderbolt
External 1394 Ports
Sold by
All Top Brands
Availability
Condition
Current Promotion
Discount
Useful Links
Customer Ratings
Sort By:
View:
Vantec 5-Port SATA III 6Gbps PCIe x4 Host Card
Quick View
Vantec 5-Port SATA III 6Gbps PCIe x4 Host Card
  • Brand: VANTEC
  • Type: PCI Express to eSATA Card
  • External Ports: 5 x SATA III
  • Compatibility: Desktop
  • Model #: UGT-ST655
PCIe SATA Card 6Ports, RIITOP PCI-e Express to SATA3 6Gbps Expansion Controller Adapter Card, ASM1166 Chip Non-Raid,with 6 SATA Cables and Low Profile Bracket, Support 6 SATA 3.0 Devices
Quick View
PCIe SATA Card 6Ports, RIITOP PCI-e Express to SATA3 6Gbps Expansion Controller Adapter Card, ASM1166 Chip Non-Raid,with 6 SATA Cables and Low Profile Bracket, Support 6 SATA 3.0 Devices

Limited time offer, ends 10/27

  • Type: PCI Express Controller Card
  • Internal Ports: 6x SATA 3.0
  • Standard: PCI-e Express to SATA 3.0 Expansion Card Adapter
  • Data Transfer Rate: 6.0 Gbps
  • Model #: PCES36P+CB
  •  
  • $64.99 –
  • Free Shipping
  • $51.50 - $64.99
PCIE to 2 Port USB C Expansion Card Adapter 10Gbps, PCI-E Type C USB 3.2 Gen2 Controller Card with Low Profile Bracket for Windows 11/10/8/7/XP
Quick View
  •  
  • $41.99 –
  • Free Shipping
  • $39.50 - $41.99
PCIe to 5 Port USB 3.0 (2X Type-C - 3X USB-A) Expansion Card,PCI Express X1 to USB 3.2 Gen1 5Gbps Hub Add on Card,Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
Quick View
  •  
  • $41.49 –
  • Free Shipping
  • $38.89 - $41.49
PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps, External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP
Quick View
PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps, External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP

Limited time offer, ends 10/27

  • Type: Controller Card
  • External USB Ports: 8x USB Ports
  • Internal USB Ports: 6x USB-A Ports, 2x USB-C Ports
  • External Ports: 6x USB-A Ports, 2x USB-C Ports
  • Model #: PCET2C+6U3
  •  
  • $58.90 –
  • Free Shipping
  • $56.50 - $58.90
4 Port PCIE PCI-e to USB 3.0 (2 x Type A+ 20 Pin Internal) Expansion Card Hub Controller PCI Express Card Adapter w/ SATA Power
Quick View
4 Port PCIE PCI-e to USB 3.0 (2 x Type A+ 20 Pin Internal) Expansion Card Hub Controller PCI Express Card Adapter w/ SATA Power

Limited time offer, ends 10/30

  • Type: PCI Express to USB Card
  • External USB Ports: 2 Ext / 2 Int
  • Specifications: Bus Type:PCI Express Type Standard:Profile (LP bracket incl.) Chipset:NEC UPD720201 Interface: USB 3.0 Port Type and Rate :USB 3.0 - 5 Gbit/s Connector Type(s): 1 - PCI Express x1 Male External Ports: 2 - USB Type-A (9 pin) USB 3.0 Female Internal Ports : 2 x US 3.0 Internal Ports (20 pin connector) front panel for floppy bay Internal Ports : 1 - SATA 15 pin interface
  • Package Contents: 1 x PCIe USB 3.0 PCI express card 1 x Driver CD
  • Model #: PCE4USB-RS1
  •  
  • $23.59 –
  • Free Shipping
  • $21.34 - $23.59
4 Ports USB 3.0 PCIe Card Adapter Super Speed 5Gbps, PCI Express x1 Expansion USB3.0 Card for Windows 11/10/8.1/8/7/Vista/XP/Server
Quick View
  •  
  • $31.99 –
  • Free Shipping
  • $31.50 - $31.99
20Gbps PCIe USB C Card - RIITOP USB 3.2 Gen 2x2 (20Gbps) USB-C SuperSpeed PCI Express 3.0 x4 Host Controller Card - USB Type-C PCIe Add-On Adapter Card - Expansion Card, For Windows & Linux
Quick View
  •  
  • $49.99 –
  • Free Shipping
  • $49.00 - $49.99
M.2 NGFF to Desktop PCIe x4 x8 x16 Adapter Card, RIITOP NVMe SATA Dual SSD PCI Express Adapter Card Support 110mm, 80mm, 60mm, 42mm, 30mm SSD
Quick View
M.2 NGFF to Desktop PCIe x4 x8 x16 Adapter Card, RIITOP NVMe SATA Dual SSD PCI Express Adapter Card Support 110mm, 80mm, 60mm, 42mm, 30mm SSD

Limited time offer, ends 10/27

  • Type: PCI Express to M.2 Card
  • External USB Ports: PCI Express
  • External Ports: PCIe 3.0 x4 and SATA
  • Internal Ports: M Key M.2 NVMe Slot + B Key M.2 NGFF Slot
  • Model #: PCE4XTM2-DL
  •  
  • $20.99 –
  • Free Shipping
  • $19.50 - $20.99
2.5G PCIe Network Adapter Card RTL8125B 2500/1000/100Mbps, RIITOP PCI Express Gigabit Ethernet Card RJ45 LAN Controller, Support PXE for Windows Linux Mac OS
Quick View
  •  
  • $30.95 –
  • Free Shipping
  • $29.50 - $30.95
EN-Labs PCIe to USB 3.2 5Gbps Type-E A Key & USB 3.0 20Pin Motherboard Header Expansion Card for Front Panel ,PCIe Express to USB Internal Connector 20 Pin Adapter
Quick View
  •  
  • $29.29 –
  • Free Shipping
PCIe 3.0/4.0 to 10Gbps USB 3.2 Gen2 Expansion Card,5-Ports (3x USB Type-C,2x USB A)  to PCI Express x4 PC Internal USB Hub for Windows 10/8/7 Linux and MAC OS 10.8.2 above with Full-Profile Slot Cover
Quick View
  •  
  • $61.49 –
  • Free Shipping
  • $60.96 - $61.49
PCIe to PCI Adapter, RIITOP PCI-e Express to 2x PCI Expansion Card Converter Riser Extender with USB 3.0 (2Ft) Cable
Quick View
PCIe to PCI Adapter, RIITOP PCI-e Express to 2x PCI Expansion Card Converter Riser Extender with USB 3.0 (2Ft) Cable

Limited time offer, ends 10/27

  • Type: PCI Express to PCI Card
  • External USB Ports: PCI
  • Standard: One PCI Express x1 Slot convert to two PCI Slots.
  • Operating Systems Supported: Windows 2000/NT/2003/XP/Vista/7/8/10, Linux System.
  • Model #: PCIET2I
  •  
  • $41.99 –
  • Free Shipping
  • $39.50 - $41.99
MAIWO 4-Port pcie to USB 3.0 (Type-A) Expansion Card, pcie USB Add on Card, Internal USB3 Hub Converter for Desktop PC Host Card Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
Quick View
MAIWO 4-Port pcie to USB 3.0 (Type-A) Expansion Card, pcie USB Add on Card, Internal USB3 Hub Converter for Desktop PC Host Card Support Windows 10/8/7/XP and MAC OS 10.8.2 Above
  • Type: Mini PCI Express to USB Card
  • External USB Ports: 4-port USB 3.0
  • Internal USB Ports: 4x USB Ports
  • Dimensions: 4.7*4.48*0.86 inch
  • Model #: KC005A
  •  
  • $10.99 –
  • $12.01 Shipping
StarTech.com PCI to PCI Express Adapter Card Model PCI1PEX1
Quick View
StarTech.com PCI to PCI Express Adapter Card Model PCI1PEX1
  • Type: PCI to PCI Express
  • Operating Systems Supported: Windows 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, and Linux
  • Weight: 20
  • Parts: 2 Year
  • Model #: PCI1PEX1
  •  
  • $95.93 –
  • $10.00 Shipping
Dual NVMe PCIe Adapter, RIITOP (2 Ports) M.2 NVMe SSD to PCI-e Express 3.1 x8 Expansion Add-on Card
Quick View
Dual NVMe PCIe Adapter, RIITOP (2 Ports) M.2 NVMe SSD to PCI-e Express 3.1 x8 Expansion Add-on Card

Limited time offer, ends 10/27

  • Type: PCI Express Controller Card
  • Compatibility: PCI-e 8x (or above).
  • Specifications: Bus Type: PCI Express. Card Type: Standard/Low Profile. Chipset ID:ASMedia – ASM2812. Compatible Drive Types: NVMe SSD (PCIe, M-Key). Drive Installation: Fixed. Interface: PCI Express x8 (compatible with x8 or x16). Number of Drives: 2. Bootable: Yes. Hot Swap Capability: No. Type and Rate: PCI Express 3.0 (8Gbps). Drive Connectors: 2 – M.2 (PCIe, M-Key, NVMe, NGFF). Host Connectors: 1 – PCI Express x8 Male. OS Compatibility: OS independent; No software or drives required. Special Notes / Requirements: System and Cable Requirements PCI Express enabled. Computer with an available PCI Express: x8 or x16 slot. Environmental Humidity: 20~80% RH. Operating Temperature: 5°C to 50°C (41°F to 122°F). Storage Temperature: -25°C to 70°C (-13°F to 158°F). Demensions: 120x195x22...
  • Model #: 2NV-PCE8X
  •  
  • $131.99 –
  • Free Shipping
  • $129.50 - $131.99
PCIE to USB 3.0 Expansion Card, 2 USB Type-A and 1 USB Type-C Ports,PCIe to USB C Adapter Card with Low Profile Bracket, for Windows 10/11
Quick View
  •  
  • $30.99 –
  • Free Shipping
VANTEC UGT-M2PC110 M.2 NVMe PCIe X4 Adapter For Extra Long 110mm Module
Quick View
VANTEC UGT-M2PC110 M.2 NVMe PCIe X4 Adapter For Extra Long 110mm Module
  • Type: PCI Express to M.2 Card
  • External Ports: 1 x M.2 (NGFF), M Key
  • Internal Ports: 1 x PCIe x4
  • Operating Systems Supported: Available system board PCIe x4 or x8 or x16 slot OS support like Windows 7/8/8.1/10 (Windows 10 preferred), or Linux (Latest Kernel) For booting, requires System UEFI BIOS with booting Support and latest OS
  • Model #: UGT-M2PC110
StarTech.com 6P6G-PCIE-SATA-CARD 6 Port PCIe SATA Expansion Card
Quick View
StarTech.com 6P6G-PCIE-SATA-CARD 6 Port PCIe SATA Expansion Card
  • Type: PCI Express to SATA Card
  • Internal Ports: 8 x SATA III
  • Operating Systems Supported: Windows 7, 8, 8.1, 10, 11 Windows Server 2012 R2, 2016, 2019 macOS 10.10 to 12 Linux 2.6.32 and up
  • Dimensions: 3.20" x 2.10" x 0.70"
  • Model #: 6P6G-PCIE-SATA-CARD
  •  
  • $126.49 –
  • Free Shipping
VANTEC UGT-M2PC200 M.2 NVMe + M.2 SATA SSD PCIe X4 Adapter
Quick View
VANTEC UGT-M2PC200 M.2 NVMe + M.2 SATA SSD PCIe X4 Adapter
  • Type: PCIe to M.2
  • Internal Ports: 2 x M.2 (NGFF) PCIe v3.0 or PCIe v2.0 x4 (4 lanes)
  • Operating Systems Supported: Windows 7/8/8.1/10, or Linux
  • Specifications: Primary M.2 Type: NVMe or AHCI SSD using M Key only Secondary M.2 Type: SATA SSD using B Key M.2 size: Length support 22x42mm, 22x60mm or 22x80mm Internal Interface: 2 x M.2 (NGFF) PCIe Interface: PCIe v3.0 or PCIe v2.0 x4 (4 lanes) Power: PCIe Bus powered (3.3V)
  • Model #: UGT-M2PC200
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
Quick View
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
  • Type: Parallel Combo Card
  • Package Contents: 2S1P PCI Serial Parallel Combo Card with 16C550 UART 1 x Full-Profile Bracket 2 x Low-Profile Brackets (for Serial Ports) 1 x Low-Profile Bracket (for Parallel Port) 1 x Quick-Start Guide
  • Model #: PCI2S1P2
  •  
  • $108.97 –
  • $10.00 Shipping
StarTech.com PCI Express to PCI Adapter Card Model PEX1PCI1
Quick View
StarTech.com PCI Express to PCI Adapter Card Model PEX1PCI1
  • Type: PCI Express to PCI Card
  • Operating Systems Supported: WIN 2000/XP/Vista
  • Weight: 0.26
  • Parts: 2 Year
  • Model #: PEX1PCI1
  • $69.99
  •  
  • $69.25 –
  • Free Shipping
StarTech 3 Port 2b 1a PCI Express 1394 FireWire Adapter Card
Quick View
StarTech 3 Port 2b 1a PCI Express 1394 FireWire Adapter Card
  • Type: PCI Express to 1394 Card
  • External USB Ports: PCI Express
  • External 1394 Ports: 3x 1394 Ports
  • Standard: 1394A/1394B
  • Model #: PEX1394B3
  •  
  • $99.72 –
  • Free Shipping
StarTech PEXUSB4DP 4 Port PCI Express Low Profile High Speed USB Card - PCIe USB 2.0 Card - PCI-E USB 2.0 Card
Quick View
StarTech PEXUSB4DP 4 Port PCI Express Low Profile High Speed USB Card - PCIe USB 2.0 Card - PCI-E USB 2.0 Card
  • Type: PCI to USB Card
  • External USB Ports: 3 x USB A Female
  • Internal USB Ports: 1 x USB A Female
  • Standard: USB 2.0
  • Model #: PEXUSB4DP
  •  
  • $94.76 –
  • $10.00 Shipping
EnLabs PCIEU3ACS20 PCI-e to 4 Ports USB 3.2 GEN 1 (5Gbps)(USB Type-C +USB Type A  w/ Internal 19Pin USB 3.0 Dual Port)  PCI Express Card, Power by 15pin SATA w/ Full-Profile & Low-Profile Bracket
Quick View
EnLabs PCIEU3ACS20 PCI-e to 4 Ports USB 3.2 GEN 1 (5Gbps)(USB Type-C +USB Type A w/ Internal 19Pin USB 3.0 Dual Port) PCI Express Card, Power by 15pin SATA w/ Full-Profile & Low-Profile Bracket

Limited time offer, ends 10/30

  • Type: PCI Express to USB Card
  • Internal USB Ports: 4x USB Ports
  • External Ports: USB 3.2 Type-C + USB type-A (5Gbps)
  • Internal Ports: USB 3.0 20pin
  • Model #: PCIEU3ACS20
  •  
  • $25.69 –
  • Free Shipping
  • $24.76 - $25.69
EnLabs PCIEU34ACS20 USB C PCIe Card,PCI-e to 7 Ports USB 3.1(5Gbps) Type-C & 4x USB-A & Internal USB 20/19Pin for Front Panel PCI Express Expansion Card, Power by 15pin SATA w/ Full-Profile Bracket
Quick View
EnLabs PCIEU34ACS20 USB C PCIe Card,PCI-e to 7 Ports USB 3.1(5Gbps) Type-C & 4x USB-A & Internal USB 20/19Pin for Front Panel PCI Express Expansion Card, Power by 15pin SATA w/ Full-Profile Bracket

Limited time offer, ends 10/30

  • Type: PCI Express to USB Card
  • External USB Ports: 5x USB Ports
  • Internal USB Ports: 2x USB Ports
  • Standard: USB 3.1
  • Model #: PCIEU34ACS20
  •  
  • $33.29 –
  • Free Shipping
Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0)
Quick View
ASUS
Refurbished Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0)
  • Type: PCI Express to M.2 Card
  • Model #: HYPER M.2 X16 GEN 4
  •  
  • $156.73 –
  • Free Shipping
4 Port SATA 3.0 PCIe 3.0 X1 Controller Card,SATAIII 6GbpsPCI Express Expansion Card, Support SSD/HDD as System Boot Disk,Marvell 88SE9215,Non-Raid,Black
Quick View
  •  
  • $54.99 –
  • Free Shipping
StarTech.com 3-port PCI Express USB 3.0 card + Gigabit Ethernet Model PEXUSB3S3GE
Quick View
StarTech.com 3-port PCI Express USB 3.0 card + Gigabit Ethernet Model PEXUSB3S3GE
  • Type: PCI Express to USB Card
  • External USB Ports: 3x USB Ports
  • External Ports: 3 - USB 3.0 A (9 pin; SuperSpeed) Female 1 - RJ-45 Female
  • Internal Ports: 1 - SATA Power (15 pin) Plug
  • Model #: PEXUSB3S3GE
  •  
  • $176.86 –
  • $10.00 Shipping
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
Quick View
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x RS232 2 x RS422 / RS485
  • Operating Systems Supported: Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server 2008 R2, 2003(32/64) Linux Kernel 2.6.x
  • Specifications: Data Bits: 5, 6, 7, 8 FIFO: 256 Bytes Flow Control: None, Xon/Xoff, RTS/CTS Max Baud Rate: 460.8 Kbps Parity: None, Odd, Even, Space, Mark Serial Protocol: RS-232/422/485 Stop Bits: 1, 1.5, 2 Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wire
  • Model #: PEX4S232485
  •  
  • $262.30 –
  • $10.00 Shipping
StarTech.com 10P6G-PCIE-SATA-CARD Add-On Card
Quick View
StarTech.com 10P6G-PCIE-SATA-CARD Add-On Card
  • Type: PCI Express to SATA Card
  • Internal Ports: 8 x M.2
  • Operating Systems Supported: Windows 7, 8, 8.1, 10, 11 Windows Server 2012 R2, 2016, 2019 macOS 10.10 to 12 Linux 2.6.32 and up
  • Dimensions: 4.70" x 2.10" x 0.70"
  • Model #: 10P6G-PCIE-SATA-CARD
  •  
  • $202.79 –
  • $10.00 Shipping
StarTech.com TB31PCIEX16 Thunderbolt 3 PCIe Expansion Chassis - Thunderbolt 3 to 16 x PCIe - Aluminum - PCIe SSD - External PCIe Enclosure - PCIe Slot
Quick View
StarTech.com TB31PCIEX16 Thunderbolt 3 PCIe Expansion Chassis - Thunderbolt 3 to 16 x PCIe - Aluminum - PCIe SSD - External PCIe Enclosure - PCIe Slot
  • Brand: StarTech.com
  • Type: Thunderbolt 3 to PCIe x16 and DisplayPort
  • External Ports: 2 x Thunderbolt 3 USB-C (24-pin) Female 1 x DisplayPort (20 pin) Female
  • Internal Ports: 1 x PCI Express x16 Female
  • Model #: TB31PCIEX16
Linkreal PCIe 3.0 x8 to Dual M.2 NVMe Switch Adapter with Low Profile Bracket for Storage Servers
Quick View
Linkreal PCIe 3.0 x8 to Dual M.2 NVMe Switch Adapter with Low Profile Bracket for Storage Servers
  • Type: Controller Card
  • Internal Ports: 2 M.2
  • Standard: PCIe 3.0 x8 to Dual M.2 NVMe Switch Adapter
  • Data Transfer Rate: 6.0 Gbps
  • Model #: LRNV9547LP-2I
  •  
  • $196.00 –
  • $15.00 Shipping

Bestselling Add-On Cards Reviews:

Anonymous
3/30/2026 11:29:09 PM
Great Value! Invisible!

“ NO, I bought this PCIx card and badda bing, badda boom it was working just fine immediately. ”

SYBA SI-PEX40110 M.2 M-Key NVMe PCI-e to PCI-e x4 Converter Card
Shawn S.
1/27/2026 9:32:37 AM
Excellent product at the best price I could find online

“ This replaced another StarTech powered PCI USB hub that uses a driver that is incompatible with Star Citizen, of all things. ”

StarTech.com PEXUSB3S7 7 Port PCI Express USB 3.0 Card - Standard & Low-Profile - SATA Power - UASP Support - 1 Internal & 6 External USB 3.0 Ports
David K.
1/1/2026 7:14:55 PM
Renesas Controller For Nvidia 3D Vision Emitter

“ I needed a PCIE usb card with a Renesas USB controller for my Nvidia 3D Vision emitter. ”

StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Model PEXUSB3S24
Tim M.
12/31/2025 7:34:04 PM
BOOM. More USB ports than I can shake a stick at

“ Many many many more USB-A style though blue not red ports to add to your system. ”

PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)
10/23/2024 12:00:48 AM
Maybe a Necessity if You Have USB-C on Front Panel

“ The PCI-E 1X to USB 3.2 GEN1 5Gbps 20pin Front Panel Header allows you to connect the USB-C front panel header to your PCI-E 1X slot ”

PCI-E 1X to USB 3.2 GEN1 5Gbps 20pin Front Panel Header (to Type-c Front Panel Header) + USB 3.0 19Pin Socket Expansion Card,Type-E Internal 20-pin Front Panel Connector Riser Card
Michael V.
11/16/2023 2:36:31 AM
East plug and play installation

“ Plugged right in and now I have a raft of USB ports. ”

PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps, External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP
Anonymous
11/11/2023 7:00:07 PM
Plug it in and it works. Just what I wanted.

“ Simple USB3.0 Add-on Card with 19/20 pin header. ”

4 Port PCIE PCI-e to USB 3.0 (2 x Type A+ 20 Pin Internal) Expansion Card Hub Controller PCI Express Card Adapter w/ Molex Power