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The Best pci express x1 slot of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best pci express x1 slot of 2023. Check our ranking below.

2,124 Reviews Scanned

SaleRank No. #1

StarTech.com PCI Express X1 to X16 Low Profile Slot Extension Adapter - PCIe x1 to x16 Adapter, TAA (PEX1TO162)

x16 lane PCIe slot connector to x1 lane
Designed to properly mount a low profile card into a full profile slot
Complete pass-through designs supports the latest PCI Express speeds

Rank No. #2

StarTech.com 4-Slot PCIe Expansion Chassis w/PCIe x2 Host Card, PCIe 2.0-10Gbps, External PCIe Slots for Desktops/Servers, PCI Express Expansion Box/Adapter, 4 PCIe x1 Slots, TAA

EXPANSION CHASSIS FOR PCIE CARDS: Increase the PCI-e slot count of a desktop computer or server; Add four external PCIe x1 slots; PCI Express 2.0 x2 proprietary USB-C Host Card with locking port; 5.9ft (1.8m) USB-C locking cable included
RUGGED CONSTRUCTION: PCI Express expansion box is built with SECC steel to withstand harsh conditions and up to 140°F (60°C); Vented chassis for cooling; Quiet operation; Power adapter (12V 3A) included, terminal block port (12-24 VDC) available
HASSLE FREE UPGRADES: Connect add-on cards (e.g., USB, Ethernet, SFP, Serial, and I/O Cards) to a host system with limited expansion slots; Implement fast deployments and reduce the cost and downtime required to configure an existing or new host system
COMPATIBILITY: This PCIe expansion chassis is OS independent and requires no additional software; Windows, macOS, and Linux are supported; Installed add-on card may require additional drivers and specific supported OS; Not meant to be used with GPUs

Rank No. #3

Bejavr M.2 PCIe NVMe X1 Adapter with Aluminum Heat Sink, Support PCIe 3.0 4.0 X1 X4 X8 X16 Slot.

M.2 PCIe Adapter Supports PCI-Express X1, X4, X8, X16 slots.
PCIe NVMe Adapter read and write speeds are only PCIe X1 bandwidth, no PCIe X4 bandwidth. Theoretical value: ▁▅▉PCIe 4.0 ~ 2GB/s, ▁▃▆PCIe 3.0 ~ 1GB/s, ▁▂▃PCIe 2.0 ~ 0.5GB/s.
NVMe PCIe Adapter Apply to 2280/2260/2242/2230mm M.2 NVMe and AHCI SSD. Not Compatible with B-Key SATA M.2 SSD.
PCIe M.2 Adapter Supports Windows 11/10/8、Windows Server 2012 R2、Linux、Fedora、SUSE、Ubuntu、Red Hat（No driver required）.
M.2 to PCIe Adapter with (tall and short) 2 mounting brackets and aluminum heat sink.

Rank No. #4

ELUTENG PCIe NVMe Adapter with Aluminum Heatsink M.2 PCIe Adapter Supports PCI-Express X1 X4 X8 X16 Slots NVMe PCIe Card Low Profile Bracket Max 4TB Support 2230 2242 2260 2280 SSD

【PCIE NVME adapter】Compatible with M.2 PCIE (NVMe) M key SSDs. *Note: M.2 SATA (NGFF) is not supported; PCI-e protocol SSDs with NVME specification must be readable in WIN10. To boot as a system disk, the motherboard BIOS must support PCI-e booting.
【Super Speed Transfer】The M.2 PCIE adapter card with a maximum read/write speed of 16Gb/s (theoretical value), greatly reducing the transfer time of large files. ※Note: The actual transmission speed depends on the interface and working environment of the device.
【Aluminum heatsink】This nvme pcie adapter can reduces the temperature generated by the SSD during operation, stabilizes the performance of the SSD, extends the life of the drive.
【Wide Compatibility】M.2 NVME to PCIE adapter card support PCIe 1X / 4X / 8X / 16X slots, compatible with PCIe 1.0 2.0 3.0 4.0. As long as your motherboard has a PCIE slot, then you can install it.
【Plug & Play】PCIE M.2 adapter supports Windows 11/10/8/7、Windows Server 2012 R2、Linux、Fedora、SUSE、Ubuntu、Red Hat（no driver required）, NOTE: Go to NVMe SSD manufacture website for driver installation if your PC can not recognize NVMe SSD. No driver is needed for win8 and above system, driver is needed for SSD in win7 and below system.

Rank No. #5

JMT Add On PCI Express X1 to X4 USB 3.0 Adapter Raiser Extender PCIE Riser Card USB3.0 PCI-E SATA Expansion Card

PCIE 1X extended expansion card 90 degree right angle, save space design.
Woking for PCI-E 1x slot of the motherboard.
With power supply module, 99% devices no need external power can direct use.
Plug and Play.
No driver needed.

Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What is the PCI Express slot used for?

A: PCI Express. A high-speed hardware interface from Intel for connecting peripheral devices. PCI Express (PCIe) was introduced in 2002, and by the mid-2000s, motherboards had at least one PCIe slot for the graphics card. PCIe is also used for hard drives, SSDs, Wi-Fi and Ethernet.

Q: Will a PCI Express card fit into a PCI slot?

A: A PCI Express card fits into a slot of its physical size or larger (with ×16 as the largest used), but may not fit into a smaller PCI Express slot; for example, a ×16 card may not fit into a ×4 or ×8 slot. Some slots use open-ended sockets to permit physically longer cards and negotiate the best available electrical and logical connection.

Q: What are pcie1 slots used for?

A: Add or upgrade your dedicated graphics and sound cards. Upgrading your PC’s graphics potential is a great PCIe project for numerous reasons. … TV tuner cards and video capture cards. TV tuner cards and video capture cards are another media-related application,though these days most cards combine both functions. Add WiFi and fax functionality. …

Q: What is the purpose of a PCI 1x slot?

A: One of the most common uses of the 1x slots is for port expansion cards where users are looking to increase the number of specific ports on their PC.

pci express x1 slot