Do Not Insert PCIe* or Add-In Cards Directly into Rack-Oriented...
USB 3.0 4-Port (2-Ext plus19-pin header) PCIe Host Card
Sonnet M.2 2x4 Low-profile PCIe Card – SONNETTECH
StarTech.com 2 Port PCI Express PCIe USB 3.0 Controller Card w SATA Power - PEXUSB3S23 - Storage Mounts & Enclosures - CDW.com
PE4F (PCIe x4 Add-On Card Front Drive Bay Docking System (5.25 inch ODD Form Factor)) - M-FACTORS Storage
Amazon.com: PCIe to (4) USB 3.0 Expansion Card,PCIe USB Add in Card, Internal USB3.0 Hub Converter for Desktop PC Host Card, Support Windows 10/8/7/XP, Linux : Electronics
StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - 5Gbps - SATA Power - Add 4 external USB 3.0 ports to a low profile or standard
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StarTech.com 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power - Add four USB 3.0 ports with two independent
Amazon.com: StarTech.com 2-Port 10Gbps USB-A & USB-C PCIe Card - USB 3.1 Gen 2 PCI Express Type C/A Host Controller Card Adapter - USB 3.2 Gen 2x1 PCIe Expansion Add-On Card -
Amazon.com: StarTech.com 4-Port USB PCIe Card - USB 3.2 Gen 2 (10Gbps) Type-A PCI Express Expansion Card with 2 Controllers - 4X USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2) :
PCI Express 8-Port RS232 Serial Board with Oxford Chip - Coolgear
USB C PCIe Expansion Card,PCI-e Express 1X to 2 Ports USB-A & Type-C USB 3.1 5Gbps Desktop PC Case Add On Card Hub w/ Full-profile PCI Slot Cover - Newegg.com
B M Key M.2 to Mini PCIe Card Adapter - Shentek card
PCI Express 8-Port RS232 Serial Board with Oxford Chip - Coolgear
WD_BLACK™ AN1500 NVMe™ PCIe SSD Add-in-Card | Western Digital
Sonnet M.2 2x4 Low-profile PCIe Card – SONNETTECH
PCIe to (4) USB 3.0 Expansion Card, PCIe USB Add in Card , Internal USB3 Hub Converter for Desktop PC Host Card, Support Windows 10/8/7/XP, Linux
Newbie firm plans $2,800 add-in card that holds up to 21 PCIe 4.0 SSDs, 168TB | Ars Technica
PCIE USB Add On Card PCI Express X1 to USB 3.0 5Gbps 2-Port Type C Expansion Card Hub Adapter Controller VIA Chip For Desktop PC - AliExpress
StarTech.com 4-Port USB PCIe Card, 10Gbps USB PCI Express Expansion Card w/ 2 Controllers, 2x USB-C & 2x USB-A ports (USB 3.2/3.1 Gen 2), USB/USB-C PCI-e Card, Full Profile Brackets | www.publicsector.shidirect.com