If i use it to connect a 4 port pci-e x4 usb 3.0 card adapter w/ 4 dedicated 5gbps channels w/sata power will i have separate channels and speed?

This adapter will take a 16x pcie device down to a single X1 pcie. Basically any pcie device used with this adapter will be reduce to a single pcie channel. Basically if the device even works, it will be at a reduced speed. I hope that all makes sense.

can this be used for a gaming laptop?

No. There isn't enough room in a laptop for the board.

Would this fit Into a Dell optiplex 745 desktop

The StarTech.com PCIe X1 to PCIe X16 will fit in any desktop computer with an available PCIe X1 slot; however, be aware that if you have a graphics card that has a big cooling shroud, I would recommend to move the graphics card to another PCIe X16 slot on the motherboard. In addition, I would keep in mind that this adopter is about 1inch high and installing any card in it, could be a bit taller for some cards.

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StarTech PCI Express X1 to X16 Low Profile Extension Adapter (PEX1TO162) | PCIe x1 to x16 Adapter, Slot

Product ID: 3258951

Details

Color
Red
Compatible Devices
Personal
Connector Type
PCIe slot
Item dimensions L x W x H
8.62 x 1.81 x
Specific Uses For Product
personal

⚡PCIe x16 lane bandwidth support

🔗Seamless x1 to x16 slot compatibility

🛠️Low profile card mounting design

B/.84

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Upgrade your rig without limits — PCIe power, simplified.

SLEEK LOW PROFILE DESIGN - Perfectly mounts low profile cards in full profile slots, saving space and maintaining airflow.
FUTURE PROOF SPEED SUPPORT - Complete pass-through design ensures you harness the latest PCIe speeds without bottlenecks.
EFFORTLESS COMPATIBILITY BOOST - Plug and play adapter supports a wide range of PCIe cards (x2 to x16) for ultimate flexibility.
LIFETIME RELIABILITY GUARANTEED - Backed by StarTech’s lifetime warranty and trusted certifications (CE, FCC).
MAXIMIZE YOUR EXPANSION POTENTIAL - Unlock full x16 PCIe card performance from an x1 slot without motherboard upgrades.

The StarTech PCI Express X1 to X16 Low Profile Extension Adapter (PEX1TO162) enables seamless installation of PCIe x16 cards into x1 slots, supporting low profile cards and delivering full PCIe bandwidth. Designed for professionals seeking cost-effective motherboard compatibility upgrades, it features a pass-through design for the latest PCIe speeds and comes with a lifetime warranty.

Specifications

ASIN	B0039XPS5W
Best Sellers Rank	#421 in Internal Computer Networking Cards
Brand	StarTech.com
Color	Red
Compatible Devices	Personal Computer, Server
Connector Type	PCIe slot connector
Customer Reviews	4.1 4.1 out of 5 stars (144)
External Testing Certification	CE, FCC
Item Dimensions	8.62 x 1.81 x 6.22 inches
Item Weight	0.01 kg
Manufacturer	StarTech.com
Mfr Part Number	PEX1TO162
Model Number	PEX1TO162
Number of Items	1
Number of Ports	2
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	personal
UPC	065030839143
Warranty Description	Lifetime

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